Data / Nonprofits / Iowa / Dubuque
Nonprofits in Dubuque, IA: 486 registered with the IRS
486 nonprofits are registered with the IRS in Dubuque, IA, 403 of them 501(c)(3) charities; the 180 that report revenue took in $947.9 million. The largest by revenue: University of Dubuque ($178.7 million), The Finley Hospital ($160.8 million), Loras College ($71.8 million). Most common causes: recreation and sports (39), arts, culture and humanities (38), philanthropy, voluntarism and grantmaking foundations (35).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| University of Dubuque | Education | 501(c)(3) | 1938 | $178.7 million | $620.8 million | 2025-05 |
| The Finley Hospital | Health care | 501(c)(3) | 1945 | $160.8 million | $257.3 million | 2024-12 |
| Loras College | 501(c)(3) | 1939 | $71.8 million | $101.6 million | 2025-05 | |
| Dutrac Community Credit Union | Public and societal benefit | 501(c)(14) | 2007 | $68.6 million | $1.21 billion | 2025-12 |
| Medical Associates Clinic Health Plan of Wisconsin | 501(c)(4) | 1985 | $58.5 million | $6.2 million | 2025-12 | |
| Clarke University of Dubuque Iowa | Education | 501(c)(3) | 1946 | $42.2 million | $70.9 million | 2025-05 |
| Dubuque Racing Association LTD | 501(c)(4) | 1985 | $40.5 million | $132 million | 2025-12 | |
| Stonehill Franciscan Services | Human services | 501(c)(3) | 1975 | $30.6 million | $47 million | 2025-06 |
| Hills and Dales Child Development Center | Health care | 501(c)(3) | 1992 | $29.5 million | $14.7 million | 2025-06 |
| Community Foundation of Greater Dubuque | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $29.1 million | $165.4 million | 2024-12 |
| Crescent Community Health Center | Health care | 501(c)(3) | 2003 | $23.1 million | $33.5 million | 2025-10 |
| Hillcrest Family Services | Human services | 501(c)(3) | 1946 | $17.9 million | $20.6 million | 2025-06 |
| Cottingham and Butler Insurance Service Inc Employee Benefits Trus | 501(c)(9) | 1984 | $13.8 million | $2.3 million | 2025-12 | |
| Hospice of Dubuque | 501(c)(3) | 1985 | $12.7 million | $4.3 million | 2025-10 | |
| Bethany Home | Health care | 501(c)(3) | 1948 | $11.1 million | $15.9 million | 2025-12 |
| Aim Credit Union | 501(c)(14) | $10.2 million | $188 million | 2025-12 | ||
| Area Residential Care Inc | Human services | 501(c)(3) | 1969 | $10.1 million | $15.2 million | 2025-06 |
| Emmaus Bible College | 501(c)(3) | 1947 | $9 million | $11.3 million | 2025-06 | |
| Northeast Iowa Area Agency On Aging Inc | Human services | 501(c)(3) | 1990 | $8.8 million | $4.1 million | 2025-06 |
| Dubuque County Historical Society | Arts, culture and humanities | 501(c)(3) | 1964 | $7.3 million | $38.8 million | 2024-12 |
| Dubuque Community Y | Human services | 501(c)(3) | 1982 | $5.9 million | $10.5 million | 2025-10 |
| Dubuque Golf and Country Club | 501(c)(7) | 1975 | $5.8 million | $9.5 million | 2025-09 | |
| Catholic Charities of the Archdioce Se of Dubuque Iowa | 501(c)(3) | 1946 | $4.9 million | $19.2 million | 2025-10 | |
| Believers Stewardship Services Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $4.5 million | $24.2 million | 2025-06 |
| The Dubuque Visiting Nurse Association | 501(c)(3) | 1955 | $3.8 million | $4.5 million | 2024-12 | |
| Hospice of Dubuque Foundation | Human services | 501(c)(3) | 1997 | $3.1 million | $22.4 million | 2025-10 |
| Opening Doors | 501(c)(3) | 1946 | $3 million | $9.2 million | 2025-08 | |
| Dubuque Area Convention and Visitors Bureau | Community improvement and capacity building | 501(c)(6) | 2015 | $2.8 million | $2.4 million | 2025-06 |
| Delaware Dubuque and Jackson County Regional Transit Authority | Public and societal benefit | 501(c)(3) | 1983 | $2.8 million | $5.7 million | 2025-06 |
| Hennessey Charitable Trust | 501(c)(3) | 1946 | $2.8 million | $82.2 million | 2024-12 | |
| Dubuque Symphony Orchestra | 501(c)(3) | 1962 | $2.7 million | $11.5 million | 2025-06 | |
| Dubuque Mercy Health Foundation | Health care | 501(c)(3) | 2008 | $2.5 million | $9.8 million | 2025-06 |
| Legion-Aires Drum and Bugle Corps | Arts, culture and humanities | 501(c)(3) | 1977 | $2.3 million | $1.5 million | 2025-09 |
| Society of St Vincent de Paul Particular Council City of Dubuque | 501(c)(3) | 1946 | $2.2 million | $1.4 million | 2025-09 | |
| Eastern Iowa Regional Housing Corporation | 501(c)(4) | 1991 | $2 million | $4.6 million | 2025-06 | |
| Finley Health Foundation Inc | Health care | 501(c)(3) | 1987 | $2 million | $20.8 million | 2024-12 |
| St Mark Youth Enrichment | 501(c)(3) | 1992 | $2 million | $1.7 million | 2025-12 | |
| Boys and Girls Club of Greater Dubu Que | Youth development | 501(c)(3) | 1946 | $2 million | $14.2 million | 2025-10 |
| International Union United Auto Aerospace & Agricultural Workers | 501(c)(5) | 1941 | $1.8 million | $1.4 million | 2025-12 | |
| Alexander D Larson Gift Fund 00670000 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $1.8 million | $7.7 million | 2023-12 |
| Greater Dubuque Development Corporation | 501(c)(6) | 1986 | $1.7 million | $785,025 | 2025-06 | |
| Dubuque Humane Society | Animal-related | 501(c)(3) | 1991 | $1.7 million | $4 million | 2025-12 |
| Community Solutions of Eastern Iowa | Public and societal benefit | 501(c)(3) | 2020 | $1.7 million | $253,496 | 2025-06 |
| Dubuque Initiatives | Community improvement and capacity building | 501(c)(3) | 1985 | $1.6 million | $12.7 million | 2024-12 |
| Alverno Apartments Inc | Housing and shelter | 501(c)(3) | 1979 | $1.4 million | $2.9 million | 2025-06 |
| United Way of Dubuque Area Tri- States | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1955 | $1.4 million | $2 million | 2025-05 |
| Dubuque Museum of Art | Arts, culture and humanities | 501(c)(3) | 1977 | $1.3 million | $6 million | 2023-12 |
| Schmitt Island Development Corporation | Public and societal benefit | 501(c)(3) | 2023 | $1.3 million | $733,204 | 2025-12 |
| Dubuque County Fair Association | 501(c)(5) | 1967 | $1.3 million | $1.5 million | 2025-09 | |
| Four Mounds Foundation | Arts, culture and humanities | 501(c)(3) | 1986 | $1.3 million | $698,676 | 2024-12 |
| River Valley Initiative Foundation | Human services | 501(c)(3) | 2003 | $1.1 million | $1.9 million | 2025-06 |
| Dubuque Dream Center Inc | Youth development | 501(c)(3) | 2016 | $1.1 million | $2.3 million | 2025-12 |
| Jamie Barwick Hills and Dales Foundation | Human services | 501(c)(3) | 1997 | $1 million | $13.9 million | 2025-06 |
| North American Invasive Species Mangement Association | Social science | 501(c)(3) | 2014 | $991,447 | $656,116 | 2025-12 |
| Dubuque Area Chamber of Commerce | 501(c)(6) | 1942 | $966,841 | $981,825 | 2026-06 | |
| Creative Adventure Lab Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $954,765 | $662,466 | 2024-12 |
| Boy Scouts of America | 501(c)(3) | 1965 | $954,076 | $4.2 million | 2024-12 | |
| Fountain of Youth Program | Employment | 501(c)(3) | 2016 | $938,309 | $825,958 | 2025-12 |
| International Brotherhood of Electrical Workers | 501(c)(5) | 1967 | $903,885 | $556,362 | 2025-12 | |
| Dubuque Dream Center Academy | Education | 501(c)(3) | 2024 | $899,883 | $0 | 2025-06 |
| Share International | Human services | 501(c)(3) | 2012 | $868,682 | $1.6 million | 2025-12 |
| Mt Pleasant Home | 501(c)(3) | 1942 | $851,363 | $5.2 million | 2025-12 | |
| The Grand Opera House | Arts, culture and humanities | 501(c)(3) | 1982 | $830,202 | $3.6 million | 2025-12 |
| The Pregnancy Center | Health care | 501(c)(3) | 1994 | $826,979 | $2.6 million | 2025-12 |
| Stonehill Benevolent Foundation | Human services | 501(c)(3) | 1946 | $808,341 | $9.7 million | 2025-06 |
| Dubuque County Early Childhood | Community improvement and capacity building | 501(c)(3) | 2008 | $768,437 | $261,119 | 2023-06 |
| Habitat for Humanity International Inc | 501(c)(3) | 1987 | $747,029 | $1.3 million | 2025-06 | |
| Ecs Ministries | Religion-related | 501(c)(3) | 2002 | $715,543 | $1.5 million | 2025-06 |
| Two By Two Character Development | Youth development | 501(c)(3) | 2013 | $685,817 | $663,965 | 2025-06 |
| Dubuque Arboretum Association Inc | Environment | 501(c)(3) | 1981 | $659,933 | $3.3 million | 2025-12 |
| Bethany Home Foundation | Health care | 501(c)(3) | 2002 | $632,181 | $6.1 million | 2025-12 |
| Dubuque County Right To Life | Civil rights, social action and advocacy | 501(c)(3) | 1986 | $628,219 | $1.1 million | 2025-12 |
| Dubuque County Firefighters Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2001 | $581,611 | $426,578 | 2024-12 |
| Manasseh House | Housing and shelter | 501(c)(3) | 2007 | $527,666 | $3.8 million | 2024-12 |
| Marys Inn | 501(c)(3) | 2014 | $472,567 | $1.1 million | 2025-12 | |
| Mississippi Driftless Regional Foundation | Community improvement and capacity building | 501(c)(3) | 2024 | $457,991 | $326,788 | 2024-12 |
| Dubuque Main Street LTD | Community improvement and capacity building | 501(c)(3) | 1986 | $451,608 | $238,701 | 2025-06 |
| Presentation Lantern | 501(c)(3) | 1946 | $450,607 | $3.6 million | 2024-12 | |
| Veterans Freedom Center | Public and societal benefit | 501(c)(4) | 2013 | $450,445 | $1.2 million | 2025-12 |
| Dubuque Soccer Club | Recreation and sports | 501(c)(3) | 1998 | $427,481 | $258,075 | 2024-12 |
| Ecia Business Growth Inc | Community improvement and capacity building | 501(c)(3) | 1984 | $424,289 | $4.8 million | 2025-06 |
| Pigeon Art Center Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $405,679 | $618,617 | 2025-12 |
| Dubuque County Hockey Association | Recreation and sports | 501(c)(3) | 1982 | $405,580 | $91,470 | 2025-04 |
| United States Dragon Boat Federation | Recreation and sports | 501(c)(3) | 2000 | $392,537 | $668,933 | 2025-12 |
| Resourcesunite | Human services | 501(c)(3) | 2014 | $392,206 | $223,461 | 2023-12 |
| Bell Tower Production & Dinner Theater | Arts, culture and humanities | 501(c)(3) | 2004 | $390,218 | $363,822 | 2025-12 |
| Nami Dubuque | Mental health and crisis intervention | 501(c)(3) | 1997 | $376,675 | $256,020 | 2024-12 |
| Key West Fire and E M S Association | 501(c)(4) | 1996 | $369,445 | $3.4 million | 2025-12 | |
| Linwood Cemetery Association | 501(c)(13) | 1942 | $351,052 | $2.6 million | 2025-12 | |
| Dubuque Montessori School Inc | 501(c)(3) | 1979 | $346,593 | $324,064 | 2025-06 | |
| Friends of St Marys | Community improvement and capacity building | 501(c)(3) | 2014 | $329,404 | $9.2 million | 2024-12 |
| Centrally Rooted Mission Inc | Youth development | 501(c)(3) | 2024 | $329,339 | $97,899 | 2025-12 |
| Tri-State Independent Blind Society Inc | Human services | 501(c)(3) | 1975 | $328,076 | $2.4 million | 2024-12 |
| Dubuque Area Swimmin Hurricane | Recreation and sports | 501(c)(3) | 2025 | $321,694 | $70,752 | 2025-08 |
| Convivium Urban Farmstead | Education | 501(c)(3) | 2015 | $313,534 | $189,608 | 2025-12 |
| East Central Iowa Association of Realtors | 501(c)(6) | 1980 | $312,444 | $691,189 | 2025-12 | |
| Julien Dubuque International Film Festival | Arts, culture and humanities | 501(c)(3) | 2009 | $311,884 | $34,241 | 2025-05 |
| Dubuque Food Pantry | 501(c)(3) | 1994 | $296,936 | $1.2 million | 2024-12 | |
| Northeast Iowa School of Music | Arts, culture and humanities | 501(c)(3) | 2001 | $292,244 | $224,123 | 2025-06 |
| Catholic Charities Foundation | 501(c)(3) | 1946 | $283,213 | $14.1 million | 2025-10 | |
| Eastern Iowa Conservation Foundation LTD | Environment | 501(c)(3) | 2022 | $271,411 | $785,688 | 2025-08 |
| Dubuque Shooting Society | 501(c)(7) | 1965 | $266,969 | $1.4 million | 2024-12 | |
| Rising Star Theatre Company | Arts, culture and humanities | 501(c)(3) | 2012 | $265,360 | $196,972 | 2025-12 |
| Dubuque Electrical Apprenticeship Trust | Education | 501(c)(3) | 2014 | $263,301 | $325,114 | 2025-05 |
| Area Residential Care Foundation | Human services | 501(c)(3) | 1976 | $245,054 | $5.4 million | 2025-06 |
| Luther Manor Foundation | Housing and shelter | 501(c)(3) | 1998 | $240,502 | $2.3 million | 2021-12 |
| Aquinas Communications Inc | Religion-related | 501(c)(3) | 2014 | $234,700 | $268,722 | 2025-12 |
| Crocus Foundation | Health care | 501(c)(3) | 2023 | $232,694 | $226,626 | 2025-12 |
| Research for the Kids | Medical research | 501(c)(3) | 2019 | $228,206 | $10,323 | 2025-12 |
| Dubuque Fine Arts Society Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $227,181 | $57,706 | 2023-12 |
| Foundation for Dubuque Public Schools | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $224,239 | $187,711 | 2024-12 |
| Dubuque Area Labor-Management Council | Arts, culture and humanities | 501(c)(3) | 1992 | $202,352 | $277,532 | 2026-06 |
| Avery Foundation | Education | 501(c)(3) | 2017 | $199,971 | $139,303 | 2025-12 |
| Dubuque Arts Council | 501(c)(3) | 1981 | $199,833 | $443,363 | 2025-08 | |
| Duride | Human services | 501(c)(3) | 2009 | $192,431 | $88,485 | 2025-06 |
| Honor Flight of Dubuque and the Tri States | Public and societal benefit | 501(c)(3) | 2021 | $189,394 | $181,810 | 2025-12 |
| Columbia Housing | Education | 501(c)(3) | 2010 | $180,212 | $1.4 million | 2025-09 |
| Multicultural Family Center | Youth development | 501(c)(3) | 2010 | $174,160 | $295,934 | 2025-12 |
| Voices Productions | Arts, culture and humanities | 501(c)(3) | 2013 | $169,228 | $395,646 | 2024-12 |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $168,563 | $122,502 | 2026-05 | |
| American Legion | 501(c)(19) | 1946 | $165,451 | $303,516 | 2025-07 | |
| Key West Emergency Services Inc | Health care | 501(c)(3) | 2024 | $147,606 | $107,654 | 2025-12 |
| Key City Creative Center | Arts, culture and humanities | 501(c)(3) | 2017 | $141,043 | $137,364 | 2024-12 |
| Carnegie-Stout Public Library Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $131,883 | $572,089 | 2025-12 |
| Key West Sportsmans Club | 501(c)(7) | 1990 | $127,730 | $77,198 | 2025-12 | |
| Dubuque Independent Baseball League | Recreation and sports | 501(c)(3) | 2006 | $122,267 | $125,696 | 2025-08 |
| Red Basket Project | Human services | 501(c)(3) | 2019 | $119,649 | $27,149 | 2024-12 |
| Bread of Life Presbyterian Church Foundation of Dubuque Iowa | 501(c)(3) | 1983 | $111,765 | $1.6 million | 2025-12 | |
| Sunnycrest Manor Auxiliary | Health care | 501(c)(3) | 2014 | $108,875 | $243,068 | 2026-06 |
| Dubuque Lodge No 355 Loyal Order of Moose | 501(c)(8) | 1972 | $107,530 | $723,414 | 2026-04 | |
| Giving Voice | Religion-related | 501(c)(3) | 2014 | $104,485 | $483,844 | 2025-12 |
| United States Junior Chamber of Commerce | 501(c)(4) | 1981 | $101,438 | $53,928 | 2025-12 | |
| Marita Theisen Childcare Center | Human services | 501(c)(3) | 2020 | $100,479 | $185,408 | 2024-12 |
| United States Bobsled & Skeleton Federation Trust | 501(c)(3) | 1986 | $99,596 | $1.7 million | 2025-12 | |
| Olliewood | Recreation and sports | 501(c)(3) | 2023 | $98,463 | $46,563 | 2026-01 |
| Dubuque Girls Independent League | Recreation and sports | 501(c)(3) | 2001 | $96,799 | $502,591 | 2025-12 |
| United Brotherhood of Carpenters & Joiners of America 678 | 501(c)(5) | 1967 | $95,887 | $689,216 | 2025-06 | |
| Dubuque Areas Labor Harvest | 501(c)(3) | 1988 | $94,697 | $57,096 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $94,064 | $603,718 | 2026-06 | |
| International Association of Machinists & Aerospace Workers | 501(c)(5) | 1940 | $93,043 | $148,212 | 2025-12 | |
| Power of Prayer Inc | Religion-related | 501(c)(3) | 1977 | $87,633 | $171,559 | 2025-07 |
| Moms Connect DBQ | Human services | 501(c)(3) | 2024 | $85,271 | $41,953 | 2026-02 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $84,973 | $58,981 | 2026-03 | |
| Dubuque Irish Hooley Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $83,464 | $65,880 | 2025-12 |
| International Association of Fire Fighters | 501(c)(5) | 1940 | $79,691 | $108,946 | 2025-04 | |
| Eleanor Roosevelt Middle School Pto Inc | Education | 501(c)(3) | 2006 | $77,919 | $199,817 | 2025-12 |
| Dubuque Chorale Inc | Arts, culture and humanities | 501(c)(3) | 2007 | $77,060 | $88,368 | 2025-06 |
| 100 Men Who Care- Tri-State Area Inc | Community improvement and capacity building | 501(c)(3) | 2025 | $74,241 | $38,572 | 2025-06 |
| Optimist International | 501(c)(4) | $73,277 | $83,418 | 2025-09 | ||
| Dubuque Homebuilders and Associates | 501(c)(6) | 1995 | $71,270 | $149,383 | 2024-12 | |
| Womens Leadership Network | Public and societal benefit | 501(c)(3) | 2007 | $68,991 | $98,147 | 2025-12 |
| Mercy Gift Shop | 501(c)(4) | 1955 | $66,558 | $247,003 | 2025-06 | |
| Ancient Free & Accepted Masons | 501(c)(10) | 1941 | $55,493 | $1 million | 2025-12 | |
| Mindful Minutes for Schools | Health care | 501(c)(3) | 2018 | $55,379 | $7,220 | 2024-12 |
| Rotary International | 501(c)(4) | 1942 | $50,427 | $70,935 | 2025-06 | |
| DBQ Air | Community improvement and capacity building | 501(c)(6) | 2024 | $50,034 | $50,034 | 2025-12 |
| Step of Faith K9S Inc | Mental health and crisis intervention | 501(c)(3) | 2024 | $49,805 | $8,350 | 2025-12 |
| Pay It Foreward Connolly | Human services | 501(c)(3) | 2022 | $44,126 | $37,232 | 2025-12 |
| Dubuque Esport League Inc | Youth development | 501(c)(3) | 2022 | $43,192 | $1 | 2024-12 |
| Dubuque Jaycees Foundation | Community improvement and capacity building | 501(c)(3) | 2014 | $36,875 | $190,566 | 2025-12 |
| Miracle League of Dubuque | Recreation and sports | 501(c)(3) | 2019 | $34,490 | $128,484 | 2025-10 |
| Bankruptcy Seminars Inc | Human services | 501(c)(3) | 1998 | $33,958 | $24,420 | 2025-12 |
| Gracepoint Foundation | 501(c)(3) | 1992 | $33,749 | $418,552 | 2025-09 | |
| Golden Elementary Montessori | Education | 501(c)(3) | 2024 | $32,135 | $4,521 | 2025-06 |
| Centennial Cross Incorporated | Religion-related | 501(c)(3) | 2022 | $29,443 | $434,563 | 2025-12 |
| Sunshine Circle of Finley Hospital | 501(c)(3) | 1946 | $26,039 | $132,052 | 2025-01 | |
| Our Turn Inc | Animal-related | 501(c)(3) | 2022 | $22,000 | $22,000 | 2024-12 |
| Tri-State Islamic Center | Religion-related | 501(c)(3) | 2011 | $21,412 | $756,748 | 2025-12 |
| Dubuque Boys Club Boosters | 501(c)(3) | 1956 | $20,663 | $277,610 | 2025-12 | |
| George Washington Carver Elementary School Parent-Teacher Group | Education | 501(c)(3) | 2010 | $20,607 | $13,735 | 2025-06 |
| Paul & Janet Auterman Charitable Educational Trust | 501(c)(3) | 1946 | $15,761 | $284,834 | 2020-12 | |
| Grand Opera House Foundation | Arts, culture and humanities | 501(c)(3) | 1997 | $15,225 | $659,113 | 2025-12 |
| Caught Up in Christ Ministries | Religion-related | 501(c)(3) | 2022 | $5,320 | $41 | 2025-12 |
| Priestly Brotherhood of St Andrew 501C3 | Arts, culture and humanities | 501(c)(3) | 2000 | $4,160 | $211,443 | 2025-06 |
| International Brotherhood of Teamsters | 501(c)(5) | 1941 | $3,037 | $3,053 | 2025-12 | |
| Friends of Linwood Cemetery Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $2,000 | $1,926 | 2025-12 |
| East Central Development Corporation | Community improvement and capacity building | 501(c)(3) | 2015 | $82 | $73,567 | 2025-06 |
| Teamsters Construction Industry Apprenticeship & Training Fund | Employment | 501(c)(5) | 2006 | $47 | $120,371 | 2024-12 |
| Friends of the Fair Foundation | Recreation and sports | 501(c)(3) | 2019 | $6 | $11,525 | 2025-09 |
| 2ND Hand Play Room | Youth development | 501(c)(3) | 2026 | |||
| A Y McDonald MFG Co Charitable Foundation | 501(c)(3) | 1968 | $8.6 million | 2024-12 | ||
| Afriwell Hub Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| American College of Dentists | 501(c)(6) | 1985 | $0 | $0 | 2025-12 | |
| American Dragon Boat Association | International, foreign affairs and national security | 501(c)(3) | 1988 | $0 | $0 | 2025-12 |
| American Federation of Labor and Congress of Industrial Orgs | Employment | 501(c)(5) | 1956 | $0 | $0 | 2025-12 |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| American Postal Workers Union | Employment | 501(c)(5) | 1973 | $0 | $0 | 2025-12 |
| Anchor Community Church | 501(c)(3) | 1987 | ||||
| Ancient Free & Accepted Masons of Iowa | 501(c)(10) | 1972 | $0 | $0 | 2025-12 | |
| Ancient Order of Hibernians in America | 501(c)(8) | 1945 | $0 | $0 | 2025-12 | |
| Ancient Order of Hibernians in America | 501(c)(8) | 1945 | $0 | $0 | 2025-12 | |
| Ancient Order of Hibernians in America | 501(c)(8) | 1945 | $0 | $0 | 2025-12 | |
| Archdiocese of Dubuque | 501(c)(3) | 1946 | 2007-03 | |||
| Archdiocese of Dubuque Alternative Investments Grantor Trust | 501(c)(3) | 1946 | 2025-06 | |||
| Archdiocese of Dubuque Deposit and Loan Fund | 501(c)(3) | 1946 | 2025-06 | |||
| Archdiocese of Dubuque Education Fund | 501(c)(3) | 1946 | ||||
| Archdiocese of Dubuque Perpetual Care Fund | 501(c)(3) | 1946 | ||||
| Archdiocese of Dubuque Seminarian Education Fund | 501(c)(3) | 1946 | ||||
| Ark Advocates | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Asbury Athletic Association | Recreation and sports | 501(c)(3) | 1999 | $0 | $0 | 2025-09 |
| Asbury Road Bible Chapel | 501(c)(3) | 1985 | 2024-12 | |||
| Association for Computing Machinery | 501(c)(3) | 1968 | ||||
| Association of Fundraising Professionals | 501(c)(3) | 1987 | $0 | $0 | 2025-12 | |
| Authentic Connection | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Aware Pet Owner Inc | Education | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Beacon of Light Outreach | Education | 501(c)(3) | 2026 | |||
| Becker Family Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $1.2 million | 2025-12 | |
| Bellowing Ox Properties Inc | Religion-related | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Bible Baptist Church of Dubuque Iowa | 501(c)(3) | 1974 | ||||
| Birthright of Dubuque Inc | 501(c)(3) | 1972 | $0 | $0 | 2025-12 | |
| Bo and Tara Duggan Family Foundation Inc | Human services | 501(c)(3) | 2025 | |||
| Brain Health Now Inc | Mental health and crisis intervention | 501(c)(3) | 2019 | $49,307 | 2024-12 | |
| Bridge Christian Church of Dubuque | 501(c)(3) | 2001 | ||||
| Bryant Family Organization | Education | 501(c)(3) | 2006 | $0 | $0 | 2024-06 |
| Bureau of Education of the Archdiocese of Dubuque | 501(c)(3) | 1946 | ||||
| Butler Childrens Garden Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $9 million | 2024-12 | |
| Butler Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $37.9 million | 2025-12 | |
| Butler Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1 | 2025-12 | |
| CFGD Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $0 | $1 | 2024-12 |
| Cable Car Quilt Guild | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Cans 4 Non Profits | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Captain Robert L Martin Commemoration Committee | Community improvement and capacity building | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Cases for Comfort | Health care | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Catholic Charities of the Diocese of Dubuque | 501(c)(3) | 1946 | ||||
| Catholic Daughters of the Americas | 501(c)(3) | 1946 | ||||
| Catholic Order of Foresters | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Catholic Order of Foresters | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Charles J and Marjorie Schrup Jr Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $490,243 | 2025-12 | |
| Church of Free Souls | Religion-related | 501(c)(3) | 2021 | |||
| Church of the Nativity Dubuque Ia | 501(c)(3) | 1946 | 2006-12 | |||
| Church of the Resurrection Dubuque Ia | 501(c)(3) | 1946 | 2006-12 | |||
| Corn Cruisers Chapter of National Ambucs Inc | Health care | 501(c)(3) | 2025 | |||
| Coursey Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Covers of Comfort | Diseases, disorders and medical disciplines | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Creative Expression Workshops | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Crossroads Church Peosta Inc | Religion-related | 501(c)(3) | 2014 | |||
| Delta Sigma Delta Fraternity | 501(c)(7) | 1941 | $0 | $0 | 2026-06 | |
| Disabled American Veterans | Public and societal benefit | 501(c)(4) | 1942 | |||
| Dome All Sports | Recreation and sports | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Driftless Food Club | Food, agriculture and nutrition | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Dubuque Area Arts Collective | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Dubuque Area Congregations United | Religion-related | 501(c)(3) | 1996 | |||
| Dubuque Area Humanist | Arts, culture and humanities | 501(c)(3) | 1946 | $0 | $0 | 2025-12 |
| Dubuque Area Junior Tour | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Dubuque Area Landlords Association Inc | Community improvement and capacity building | 501(c)(6) | 2020 | $0 | $0 | 2025-12 |
| Dubuque Area Library Information Consortium | 501(c)(3) | 1989 | $0 | $0 | 2025-12 | |
| Dubuque Area Triathlon Club | Recreation and sports | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Dubuque Area Youth Baseball and Softball Club | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-10 |
| Dubuque Assembly of God | 501(c)(3) | 1964 | ||||
| Dubuque Audubon Society | Environment | 501(c)(3) | 1999 | $0 | $0 | 2025-06 |
| Dubuque Auxiliary Police Inc | Crime and legal-related | 501(c)(3) | 2024 | |||
| Dubuque Bass Club | Recreation and sports | 501(c)(7) | 2013 | $0 | $0 | 2023-12 |
| Dubuque Bible Church | 501(c)(3) | 1964 | ||||
| Dubuque Bikes Inc | Public and societal benefit | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Dubuque Center for Independent Living | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Dubuque Childrens Zoo Boosters | 501(c)(3) | 1976 | $0 | $0 | 2024-12 | |
| Dubuque City Youth Ballet Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2026-01 |
| Dubuque Community Church | Religion-related | 501(c)(3) | 1995 | |||
| Dubuque Council of Churches | 501(c)(3) | 1965 | ||||
| Dubuque County Energy District | Environment | 501(c)(3) | 2021 | $0 | $0 | 2024-06 |
| Dubuque County Medical Society | Community improvement and capacity building | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Dubuque County Nationals Baseball Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Dubuque Disc Golf Corporation | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Dubuque Dragon Boat Association | Recreation and sports | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Dubuque Farmer To Farmer | Environment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Dubuque Fellowship Club | 501(c)(3) | 1985 | $0 | $0 | 2023-09 | |
| Dubuque Figure Skating | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2026-03 |
| Dubuque Fire Fighters Benevolent Association | 501(c)(4) | 1954 | $0 | $0 | 2024-12 | |
| Dubuque Fire Pipes and Drums Band | Arts, culture and humanities | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Dubuque Jo Daviess Crime Stoppers | Crime and legal-related | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Dubuque Judo Club | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Dubuque Miners Football Team | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Dubuque Mustang Wrestling Club | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Dubuque Noon Lions Club Charitable Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Dubuque Policemens Protective Association | 501(c)(4) | 1968 | $0 | $0 | 2025-12 | |
| Dubuque Pride Inc | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Dubuque Rampage | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-01 |
| Dubuque Rescue Mission | 501(c)(3) | 1953 | ||||
| Dubuque Rifle & Pistol Club Inc | 501(c)(7) | 1967 | $0 | $0 | 2025-12 | |
| Dubuque Rotary Club Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $0 | $0 | 2025-06 |
| Dubuque Rugby Corp | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Dubuque Senior High School Educational Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1993 | $0 | $0 | 2024-12 |
| Dubuque Senior High School Music Boosters | Education | 501(c)(3) | 2002 | $0 | $0 | 2023-12 |
| Dubuque Temple Association Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $2 million | 2024-12 | |
| Dubuque Trees Forever | Environment | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Dubuque Wrestling Club | Recreation and sports | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Dubuque for Refugee Children | International, foreign affairs and national security | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Dupaco RW Hoefer Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2012 | $10.2 million | 2025-12 | |
| Eaa Chapter 327 | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Eisenhower Elementary Pto | Education | 501(c)(3) | 2007 | $0 | $0 | 2026-06 |
| Elevateher Network | Youth development | 501(c)(3) | 2026 | |||
| Embroiderers Guild of America Inc | 501(c)(3) | 1976 | ||||
| Emlynn Faith Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Every Child Every Promise | 501(c)(3) | 2005 | $0 | $0 | 2025-12 | |
| Falb Family Charitable Foundation | 501(c)(3) | 1993 | $3.3 million | 2025-12 | ||
| Family Staff Organization | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Finley Tri-States Health Group Inc | 501(c)(3) | 1988 | $0 | $14,037 | 2024-12 | |
| First Baptist Church | 501(c)(3) | 1955 | ||||
| Fly By Night Productions Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $0 | $0 | 2025-06 |
| Forever Amy | Mental health and crisis intervention | 501(c)(3) | 2024 | $0 | $0 | 2024-01 |
| Fragrance of Compassion International | International, foreign affairs and national security | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| Fraternal Order of Eagles | Mutual and membership benefit | 501(c)(8) | 1991 | $0 | $0 | 2025-05 |
| Fraternal Order of Police | 501(c)(8) | 1952 | $0 | $0 | 2025-06 | |
| Friends of Homacho | International, foreign affairs and national security | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Friends of Inharrime | International, foreign affairs and national security | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Friends of the Carnegie-Stout Publi C Library | Education | 501(c)(3) | 2026 | |||
| Friends of the Mines of Spain | Animal-related | 501(c)(3) | 1997 | $0 | $0 | 2025-06 |
| G-Force Wrestling Foundation | Youth development | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Gantz Foundation Charit Trust | 501(c)(3) | 1992 | $1.4 million | 2026-03 | ||
| German Pilgrim Congreational Cemetery Assoc | 501(c)(13) | $0 | $0 | 2025-12 | ||
| Grace Christian Church | Religion-related | 501(c)(3) | 2000 | |||
| Gracepoint Community Church | 501(c)(3) | 1982 | ||||
| Grandview Gallop Inc | Health care | 501(c)(4) | 2009 | $0 | $0 | 2025-12 |
| Grant Wood Mississippi River Region Inc | Community improvement and capacity building | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Great River Amateur Radio Club | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Greater Dubuque Housing Trust Fund | Housing and shelter | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Greater Dubuque Impact Investment Fund | Community improvement and capacity building | 501(c)(3) | 2025 | |||
| Harmony Cemetery Association of Zwingle Inc | Mutual and membership benefit | 501(c)(13) | 2018 | $0 | $0 | 2025-12 |
| Hartig Charitable Foundation Trust 061 702 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $132,274 | 2025-12 | |
| Haupert Family Foundation | Arts, culture and humanities | 501(c)(3) | 1999 | $278,162 | 2025-12 | |
| Healing Moments | Human services | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Heartland Harmony Dubuque | Human services | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Heidi Anne Elizabeth Honkamp Myhre CHRTBL Trust | Human services | 501(c)(3) | 1998 | $46,668 | 2025-12 | |
| Henry & Viola Broessel Trust | 501(c)(13) | 1973 | ||||
| Henry Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $3.4 million | 2025-12 | |
| Heritage Works Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $8.4 million | 2024-12 | |
| Herrig Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1989 | $539,805 | 2025-12 | |
| Holscher Family Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $2.5 million | 2025-12 | |
| Holy Family Catholic Schools | 501(c)(3) | 1946 | 2006-12 | |||
| Holy Family Church New Melleray Peosta Ia | 501(c)(3) | 1946 | ||||
| Holy Spirit Church Dubuque Iowa | 501(c)(3) | 1946 | ||||
| Holy Trinity Lutheran Church | 501(c)(3) | 1988 | 2015-12 | |||
| Holy Trinity Lutheran Church Foundation | Religion-related | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Hoover Family Organization | Education | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Hope Evangelical Free Church | 501(c)(3) | 1965 | 2024-08 | |||
| Institute of Management Accountants Inc | 501(c)(3) | 1974 | $0 | $0 | 2026-06 | |
| Iowa Alliance of Colleges of Nursin G | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Iowa Assoc of Cnty Commissioners and Veteran Service Officers | Public and societal benefit | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Iowa Association of Code Enforcemen T Iowace | Education | 501(c)(6) | 2026 | |||
| Iowa Camping Friends | 501(c)(7) | 1978 | $0 | $0 | 2025-10 | |
| Iowa Deaf Senior Citizens | Education | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Iowa Electrical Workers Council | Employment | 501(c)(5) | 2019 | $0 | $0 | 2025-12 |
| Iowa Eta Alumni Corporation of Sigma Phi Epsilon Fraternity | 501(c)(7) | 1978 | $0 | $0 | 2025-12 | |
| Iowa Sports Expo Group Inc | Recreation and sports | 501(c)(3) | 2022 | $433,015 | 2023-12 | |
| Iowans Against Breed Bans | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Irving Parent Teacher Organization Inc | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| James & Melita A McDonough Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $9.3 million | 2025-12 | |
| Jefferson Parent Teacher Organization | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-07 |
| Joseph and Helen Ertl Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $3.3 million | 2025-12 | |
| Jr Dubuque Bass Club Inc | 501(c)(3) | 2023 | $0 | $0 | 2023-12 | |
| Julien Chamber Winds | 501(c)(3) | 2016 | $0 | $0 | 2025-12 | |
| Key City HRC | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Key City Soccer Association | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Kiwanis Club of Dubuque Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $0 | $0 | 2025-09 |
| Kiwanis International Inc | 501(c)(4) | 1940 | $0 | $0 | 2025-09 | |
| Knights of Columbus | 501(c)(8) | 2016 | $0 | $0 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2024-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| LCFB Gridiron Club | Recreation and sports | 501(c)(3) | 2026 | |||
| Latin Mass Society of Dubuque | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Lavalamp Foundation Inc | Mental health and crisis intervention | 501(c)(3) | 2021 | $41,497 | 2024-12 | |
| League of Women Voters of Iowa | 501(c)(3) | 2018 | $0 | $0 | 2025-06 | |
| Longshadow Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $447,787 | 2024-12 | |
| Marine Corps League | 501(c)(4) | 1946 | $0 | $0 | 2026-06 | |
| Marshall Elementary School Dubuque Pto Inc | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| Medical Associates Clinic Foundation of Dubuque | 501(c)(3) | 1989 | $3.4 million | 2025-12 | ||
| Mental Health America of Dubuque County | 501(c)(3) | 1969 | $0 | $0 | 2025-12 | |
| Mercy Meals Dubuque | Food, agriculture and nutrition | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Mercy Medical Center-Dubuque | 501(c)(3) | 1946 | ||||
| Mercy School of Nursing Alumniassociation | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Michael W Oglesby Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Midwest Freeriders Inc | Recreation and sports | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Midwest River Expeditions | Recreation and sports | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Molo Fam Chrtble Trust 11132000 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $992,489 | 2025-12 | |
| Monastery Candy Inc | Religion-related | 501(c)(40) | 2022 | |||
| Monsignor Joseph P Herard Charitable Trust | Education | 501(c)(3) | 2002 | $0 | $0 | 2024-12 |
| Mothers Prayers USA | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Mount Calvary Cemetery Association | 501(c)(3) | 1946 | ||||
| Mt Olivet Cemetery Association | 501(c)(3) | 1946 | ||||
| Mvo Tennis Open Inc | Recreation and sports | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Mystic Order of Veiled Prophets of Enchanted Realm | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Nathaniel Morgan Memorial | Community improvement and capacity building | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| National Air Traffic Controllers Association | 501(c)(5) | 1990 | $0 | $0 | 2025-12 | |
| National Association of Letter Carriers | 501(c)(5) | 1944 | $0 | $0 | 2025-12 | |
| National Council On Youth Leadership | 501(c)(3) | 2006 | ||||
| National School Public Relations Association | 501(c)(3) | 1998 | $0 | $0 | 2024-12 | |
| National Society of the Children of the American Revolution | 501(c)(3) | 1973 | $0 | $0 | 2026-02 | |
| National Society of the Children of the American Revolution | 501(c)(3) | 1973 | $0 | $0 | 2025-12 | |
| National Society of the Children of the American Revolution | 501(c)(3) | 1973 | $0 | $0 | 2026-02 | |
| National Society of the Children of the American Revolution | 501(c)(3) | 1973 | $0 | $0 | 2026-02 | |
| Next Mission Gaming | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Nicholas J Schrup Charitable Trust | 501(c)(3) | 1987 | $7,039 | 2025-12 | ||
| Northern Lights Hockey Foundation Inc | Recreation and sports | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Nova Elite Basketball | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Oconnor and Thomas Trust Scholarship | Education | 501(c)(3) | 1991 | $0 | $0 | 2025-12 |
| Office of Catholic Education | 501(c)(3) | 1946 | ||||
| Office of Education U S Catholic Conference | 501(c)(3) | 1946 | ||||
| Oh Happy Play LLC | Environment | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Operation New View Community Action Foundation | Human services | 501(c)(3) | 2006 | |||
| Optimist International | 501(c)(4) | 1958 | $0 | $0 | 2025-12 | |
| Our Faith Our Children Our Future School Tuition Organization | 501(c)(3) | 1946 | ||||
| Our Lady of the Mississippi Abbey Trappistine Nuns Inc | 501(c)(3) | 1946 | 2021-12 | |||
| Our Redeemer Lutheran Church | 501(c)(3) | 1941 | 2013-12 | |||
| Pauline Stolteben Foundation Trust | 501(c)(3) | 1972 | $1.6 million | 2026-05 | ||
| People Associated With Lincoln School | Education | 501(c)(3) | 2002 | $0 | $0 | 2025-07 |
| People in Need P I N | Human services | 501(c)(3) | 1996 | |||
| Prescott Parent Teacher Organization | 501(c)(3) | 1980 | ||||
| Project Rooted Inc | Food, agriculture and nutrition | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Prosperity Eastern Iowa Inc | Community improvement and capacity building | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Psi Chi the International Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2025-06 | |
| Psi Chi the National Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2025-06 | |
| Rabbit Hollow Nature Conservancy Inc | Environment | 501(c)(3) | 2023 | $1.5 million | 2024-12 | |
| Radius Church | Religion-related | 501(c)(3) | 2014 | |||
| Raising Dubuque Co | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rams Booster Club | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Random Acts of Humach Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $44,206 | 2024-12 | |
| Recovery Reach Inc | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2026-01 |
| Redeemed in Christ Ministries | Religion-related | 501(c)(3) | 2009 | |||
| River City Church | 501(c)(3) | 1965 | ||||
| Riverside Church of Dubuque | Religion-related | 501(c)(3) | 2002 | |||
| Road Less Traveled Community Theatre Company | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Ron and Ellen Craff Charities Incorporated | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| Root 2 Leaf | Health care | 501(c)(3) | 2026 | |||
| Sageville Parent Teachers Club | 501(c)(3) | 1982 | $0 | $0 | 2025-12 | |
| Saint 4 Life Foundation | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Saint Paul Lutheran Church | 501(c)(3) | 1941 | ||||
| Schmitz Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $50,457 | 2025-12 | |
| Serra International | 501(c)(3) | 1972 | $0 | $0 | 2026-05 | |
| Sertoma Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1964 | |||
| She Unites | Community improvement and capacity building | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Sigma Phi Epsilon Fraternity Inc | 501(c)(7) | 1941 | $0 | $0 | 2026-06 | |
| Sirk Family Foundation | 501(c)(3) | 1958 | $365,390 | 2024-12 | ||
| Sisters of Charity BVM | 501(c)(3) | 1946 | ||||
| Sisters of St Francis Mount St Francis | 501(c)(3) | 1946 | 2011-12 | |||
| Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer | Arts, culture and humanities | 501(c)(3) | 1946 | $0 | $0 | 2025-12 |
| Society of Manufacturing Engineers | 501(c)(3) | 1967 | $0 | $0 | 2024-12 | |
| Society of St George | Youth development | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Society of Women Engineers | 501(c)(3) | 1992 | $0 | $0 | 2026-06 | |
| Spahn & Rose Lumber Co Charitable Foundation | 501(c)(3) | 1976 | $1.8 million | 2026-01 | ||
| St Anthony Church Dubuque Ia | 501(c)(3) | 1946 | ||||
| St Catherine Church St Catherine Iowa | 501(c)(3) | 1946 | ||||
| St Columbkille Church Dubuque Ia | 501(c)(3) | 1946 | ||||
| St Johns Evangelical Lutheran Church | 501(c)(3) | 1988 | 2013-12 | |||
| St Joseph the Worker Church of Dubuque | 501(c)(3) | 1946 | 2006-12 | |||
| St Patricks Church Dubuque Ia | 501(c)(3) | 1946 | ||||
| St Paul Lutheran Church | 501(c)(3) | 1988 | ||||
| St Raphael Cathedral Church Dubuque Ia | 501(c)(3) | 1946 | ||||
| St Raphael Priest Fund Society | 501(c)(3) | 1946 | ||||
| Stjosephs Church Key West | 501(c)(3) | 1946 | ||||
| Strange Horizons Inc | Arts, culture and humanities | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Super Readers Club Inc | Education | 501(c)(3) | 2026 | |||
| Table Mound Parent-Teacher Club | Education | 501(c)(3) | 2021 | $0 | $0 | 2024-09 |
| The Iowa Association of Endodontists | Community improvement and capacity building | 501(c)(6) | 2014 | $0 | $0 | 2026-05 |
| The Oak Grove Inc | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| The Source | Mental health and crisis intervention | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| The Tri-State Wind Symphony Inc | Arts, culture and humanities | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Tri State Fil-Am Association | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Tri State Human Resource Association | Community improvement and capacity building | 501(c)(6) | 2012 | $0 | $0 | 2024-12 |
| Tri State Soccer Organization | Recreation and sports | 501(c)(3) | 2026 | |||
| Tri State Trail Vision | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Tri-State Mountain Bike Riders | 501(c)(3) | 2016 | $0 | $0 | 2024-12 | |
| Tri-State Viats | Human services | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Tri-State Vietnam Veterans Association Inc | 501(c)(19) | 1982 | $0 | $0 | 2025-12 | |
| Truman Kendall Compact | 501(c)(13) | 1985 | $0 | $0 | 2025-12 | |
| Turnt Kidz Youth Collective | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2026-01 |
| Two By Two Campus Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $276,194 | 2013-03 | |
| Ukrainian Society of Eastern Iowa | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Unitarian Universalist Fellowship Dubuque Iowa | Religion-related | 501(c)(3) | 2005 | |||
| United States Bowling Congress Inc | Recreation and sports | 501(c)(3) | 2004 | $0 | $0 | 2026-07 |
| United Steelworkers | 501(c)(5) | 1940 | $0 | $0 | 2025-12 | |
| Uss Richard S Edwards DD950 Association Inc | Public and societal benefit | 501(c)(19) | 2000 | $0 | $0 | 2025-06 |
| Veritas Church Dubuque | Religion-related | 501(c)(3) | 2025 | |||
| Veterans of Foreign Wars of the United States Dept of Iowa | 501(c)(19) | 1951 | $0 | $0 | 2025-11 | |
| Victor M & Phyllis Frudden Meyer Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $588,459 | 2024-12 | |
| Wartburg Seminary Foundation | Religion-related | 501(c)(3) | 2007 | |||
| Wartburg Theological Seminary | Education | 501(c)(3) | 1996 | 2024-06 | ||
| Washington Middle School Pto Inc | Education | 501(c)(3) | 2006 | $0 | $0 | 2026-07 |
| Whispurring Hope Rescue | Animal-related | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Why Not Dubuque | Recreation and sports | 501(c)(3) | 2026 | |||
| Willenborg Alzheimers Fundraising | Medical research | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Witness Publishing Co | 501(c)(3) | 1946 | $0 | $0 | 2026-06 | |
| Woodward Foundation | 501(c)(3) | 1957 | $11,126 | 2025-12 | ||
| Word of Life Ministries Inc | 501(c)(3) | 1980 | 1999-12 | |||
| Youth Development Through Golf | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Priestly Brotherhood of St Andrew Foundation | Religion-related | 501(c)(3) | 2010 | $-2,084 | $929,756 | 2025-06 |
By cause in Dubuque, IA
- Recreation and sports 39
- Arts, culture and humanities 38
- Philanthropy, voluntarism and grantmaking foundations 35
- Education 33
- Human services 29
- Religion-related 25
- Community improvement and capacity building 22
- Health care 16
- Public and societal benefit 12
- Youth development 11
- Mental health and crisis intervention 8
- Environment 8
- Animal-related 6
- International, foreign affairs and national security 5
- Employment 5
- Housing and shelter 4
- Food, agriculture and nutrition 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.