Data / Nonprofits / Iowa / Knoxville
Nonprofits in Knoxville, IA: 164 registered with the IRS
164 nonprofits are registered with the IRS in Knoxville, IA, 75 of them 501(c)(3) charities; the 24 that report revenue took in $74.4 million. The largest by revenue: Knoxville Area Community Hospital Foundation ($65 million), National Sprint Car Hall of Fame & Museum Foundation Inc ($2.8 million), Stepping Stones Early Learning Center Inc ($1.3 million). Most common causes: recreation and sports (11), education (11), arts, culture and humanities (8).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Knoxville Area Community Hospital Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $65 million | $67.2 million | 2025-06 |
| National Sprint Car Hall of Fame & Museum Foundation Inc | Arts, culture and humanities | 501(c)(3) | 1987 | $2.8 million | $13.7 million | 2025-09 |
| Stepping Stones Early Learning Center Inc | Human services | 501(c)(3) | 2003 | $1.3 million | $1.4 million | 2025-12 |
| Knoxville Preservation Foundation | Arts, culture and humanities | 501(c)(3) | 2025 | $1.1 million | $1 million | 2025-12 |
| Knoxville Community Hospital Inc | Health care | 501(c)(3) | 1977 | $839,231 | $7.4 million | 2025-06 |
| Kfyi Knoxville Food Youth Initiative | Food, agriculture and nutrition | 501(c)(3) | 2018 | $438,320 | $205,304 | 2025-12 |
| Knoxville Panther Scholarship Foundation | Education | 501(c)(3) | 2011 | $429,641 | $1.8 million | 2023-09 |
| Marion County Humane Society | Animal-related | 501(c)(3) | 1988 | $376,964 | $371,813 | 2025-12 |
| Pine Knolls Company | 501(c)(7) | 1966 | $325,917 | $366,291 | 2025-12 | |
| Knoxville Economic Development Corporation | Community improvement and capacity building | 501(c)(6) | 2015 | $304,130 | $1.4 million | 2025-12 |
| Knoxville Senior Center | Human services | 501(c)(3) | 2016 | $229,437 | $137,872 | 2025-12 |
| Grand Theater Foundation | Arts, culture and humanities | 501(c)(3) | 2025 | $206,419 | $501,650 | 2024-12 |
| Knoxville Racing Charitable Organization Inc | Health care | 501(c)(3) | 1999 | $183,496 | $104,513 | 2025-12 |
| Assessment Action Alliance Inc | Public and societal benefit | 501(c)(4) | 2024 | $151,352 | $240,327 | 2025-12 |
| Pella Soccer Club | Recreation and sports | 501(c)(3) | 2004 | $118,334 | $69,850 | 2025-12 |
| Iowa Farm Bureau Federation | 501(c)(5) | 1945 | $112,893 | $1.4 million | 2025-12 | |
| Knoxville Alumni Association | Education | 501(c)(3) | 2007 | $110,909 | $223,505 | 2026-06 |
| Marion County Sportsmens Club | 501(c)(7) | 1977 | $96,746 | $222,319 | 2025-12 | |
| Knoxville Chamber of Commerce Inc | 501(c)(6) | 1972 | $78,569 | $116,033 | 2025-12 | |
| Helping Hands Food Pantry | 501(c)(3) | 1993 | $66,964 | $352,311 | 2025-12 | |
| Professional Photographers of Iowa | 501(c)(6) | 1986 | $44,533 | $104,707 | 2026-06 | |
| The Federated Garden Clubs of Iowa Inc | Environment | 501(c)(3) | 2001 | $24,920 | $63,866 | 2026-07 |
| Esther H Browne Scholarship Trust | Education | 501(c)(3) | 1987 | $16,465 | $383,009 | 2024-12 |
| Red Rock Riders Equestrial Drill Team | Recreation and sports | 501(c)(3) | 2025 | $7,278 | $900 | 2025-12 |
| 4-H Clubs & Affiliated 4-H Organizations | Youth development | 501(c)(3) | 1993 | $0 | $0 | 2025-06 |
| America Brittany Club Inc | 501(c)(7) | 1974 | $0 | $0 | 2023-12 | |
| American Legion Post 168 Baty Tucker | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| Army Air Force Research Association | Public and societal benefit | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Bethel Community Outreach - Uganda | Human services | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Beverly J Eck Education Foundation | Education | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Birthright of Knoxville | Community improvement and capacity building | 501(c)(3) | 1993 | $0 | $0 | 2025-12 |
| Bleeders Have Dreams Too Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2026 | |||
| Christs Church of Knoxville Iowa | 501(c)(3) | 1981 | ||||
| Cross Roads Gospel Church | 501(c)(3) | 1964 | ||||
| Daughters of Union Veterans of the Civil War 1861-1865 | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2024-08 |
| Delta Kappa Gamma Society | 501(c)(6) | 1965 | $0 | $0 | 2026-06 | |
| Department of Iowa Auxiliary To the Veterans of Foreign Wars | Public and societal benefit | 501(c)(19) | 2009 | $0 | $0 | 2026-06 |
| Fire-Rescue Association of Knoxville Iowa | Public safety, disaster preparedness and relief | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| First Assembly of God | 501(c)(3) | 1964 | ||||
| First Baptist Church | 501(c)(3) | 1955 | ||||
| First Place Ministries | Youth development | 501(c)(3) | 2026 | |||
| First United Methodist Church | 501(c)(3) | 1974 | ||||
| Friends of Elk Rock | Recreation and sports | 501(c)(3) | 2005 | $0 | $0 | 2026-03 |
| Future Farmers of America State Associations & Local Chapter | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| German Shorthaired Pointer Club of Central Iowa | Recreation and sports | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Good Shepherd Lutheran Church | 501(c)(3) | 1988 | ||||
| Graceful Horizons | Human services | 501(c)(3) | 2024 | |||
| Indiana Township Fire Department | Public safety, disaster preparedness and relief | 501(c)(3) | 2003 | $0 | $0 | 2026-06 |
| Iowa Field Trial Association Inc | Animal-related | 501(c)(7) | 2017 | $0 | $0 | 2025-12 |
| Iowa Street Rod Association Inc | 501(c)(7) | 1973 | $0 | $0 | 2025-12 | |
| John Myer Veterans of Foreign War Post No 3519 | Public and societal benefit | 501(c)(19) | 2020 | $0 | $0 | 2025-12 |
| Knights Templar of the United States of America | 501(c)(10) | 1964 | $0 | $0 | 2024-06 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knoxville Area Community Theatre Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Knoxville Area Swim Team | Recreation and sports | 501(c)(3) | 2026 | |||
| Knoxville BB Association | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-04 |
| Knoxville Booster Club | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-07 |
| Knoxville Bravo Concert Series | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Knoxville Community Chorus | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Knoxville Draggins Inc | Recreation and sports | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Knoxville Education Foundation Inc | Education | 501(c)(3) | 2024 | |||
| Knoxville Elementary Schools Pto | Education | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Knoxville Foursquare Church | 501(c)(3) | 1964 | ||||
| Knoxville Heritage Foundation | 501(c)(3) | 1985 | $0 | $0 | 2025-12 | |
| Knoxville Music Boosters Inc | Education | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Knoxville Noon Kiwanis Club | Community improvement and capacity building | 501(c)(4) | 2024 | $0 | $0 | 2025-09 |
| Knoxville Panthers XC Club | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Knoxville Shooting Team Inc | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Knoxville Soccer Club | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Knoxville Township Fire Rescue Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Knoxville Volunteer Reserve Police Department | 501(c)(3) | 2001 | $0 | $0 | 2025-06 | |
| Knoxville Wrestling Club | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Knoxville Youth Activities | Youth development | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Lincoln Cemetery | Mutual and membership benefit | 501(c)(13) | 2018 | $0 | $0 | 2025-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-09 | |
| Livingword Fellowship | 501(c)(3) | 1982 | ||||
| Marion County Coalition for Suicide Prevention Inc | Mental health and crisis intervention | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Marion County Genealogical Society | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Marion County Historical Society | Education | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Marion County United Way | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1971 | $0 | $0 | 2025-12 |
| Mint N More Foundation Inc | Food, agriculture and nutrition | 501(c)(3) | 2025 | |||
| National Active and Retired Federal Employees Association | 501(c)(5) | 1967 | $0 | $0 | 2025-12 | |
| National Society of the Children of the American Revolution | 501(c)(3) | 1973 | $0 | $0 | 2025-12 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| New Covenant Baptist Church | 501(c)(3) | 1972 | ||||
| Omega Life Christian Ministries | Religion-related | 501(c)(3) | 2002 | |||
| Order of the Easter Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2024-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Order of the Eastern Star of Iowa Heartland Chapter No 305 | 501(c)(8) | 1972 | $0 | $0 | 2025-09 | |
| Paws and Pals Dog Park Knoxville | Animal-related | 501(c)(7) | 2021 | $0 | $0 | 2025-12 |
| Red Rock Environmental Education Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Red Rock Lake Association Inc | Education | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Riverside Community Church | Religion-related | 501(c)(3) | 2010 | |||
| Rolling Hills Field Trial Club | Recreation and sports | 501(c)(7) | 2013 | $0 | $0 | 2022-12 |
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2026-06 | |
| Sending Network | Religion-related | 501(c)(3) | 2022 | |||
| Skunk River Hunting Retriever Association Inc | Animal-related | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Thrive Knoxville | Community improvement and capacity building | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Trinity Lutheran Church | 501(c)(3) | 1941 | ||||
| Twin Cedars Youth Football | Recreation and sports | 501(c)(3) | 2025 | |||
| Weiler Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $25.3 million | 2025-12 | |
| Your Life Matters Inc | Mental health and crisis intervention | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
By cause in Knoxville, IA
- Recreation and sports 11
- Education 11
- Arts, culture and humanities 8
- Philanthropy, voluntarism and grantmaking foundations 4
- Public and societal benefit 4
- Animal-related 4
- Community improvement and capacity building 4
- Youth development 4
- Human services 4
- Religion-related 3
- Public safety, disaster preparedness and relief 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.