Data / Nonprofits / Ohio / Mount Vernon
Nonprofits in Mount Vernon, OH: 220 registered with the IRS
220 nonprofits are registered with the IRS in Mount Vernon, OH, 184 of them 501(c)(3) charities; the 67 that report revenue took in $382.2 million. The largest by revenue: Knox Community Hospital ($223.1 million), Mount Vernon Nazarene University ($69.2 million), 544 C E S Credit Union Inc ($13.6 million). Most common causes: education (18), youth development (18), religion-related (15).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Knox Community Hospital | Health care | 501(c)(3) | 1978 | $223.1 million | $253.2 million | 2024-12 |
| Mount Vernon Nazarene University | Education | 501(c)(3) | 1963 | $69.2 million | $98.4 million | 2025-06 |
| 544 C E S Credit Union Inc | 501(c)(14) | 1969 | $13.6 million | $235.7 million | 2025-12 | |
| Knox County Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $11.7 million | $116.2 million | 2024-12 |
| Ohio Eastern Star Health Care Center Inc | Health care | 501(c)(3) | 2001 | $7.9 million | $817,278 | 2024-12 |
| Knox County Land Reutilization Corporation | Community improvement and capacity building | 501(c)(3) | 2019 | $7.1 million | $11.3 million | 2024-12 |
| Knox County Head Start Inc | Education | 501(c)(3) | 1965 | $5.8 million | $2.2 million | 2025-07 |
| Ohio Network for Innovation | Housing and shelter | 501(c)(3) | 2019 | $4.7 million | $10.8 million | 2025-12 |
| Cooper Park Development Company | Community improvement and capacity building | 501(c)(3) | 2023 | $3.9 million | $1.3 million | 2024-12 |
| Schnormeier Gardens Foundation | Arts, culture and humanities | 501(c)(3) | 2009 | $2.7 million | $19.6 million | 2025-12 |
| Ohio Eastern Star Home | Health care | 501(c)(3) | 1957 | $2.6 million | $54.2 million | 2024-12 |
| Knox Partnership for Arts and Culture Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $2.5 million | $1.3 million | 2025-12 |
| Alcohol and Drug Freedom Center of Knox County | Mental health and crisis intervention | 501(c)(3) | 1980 | $2.4 million | $3 million | 2025-06 |
| Young Mens Christian Association of Mount Vernon Ohio | Human services | 501(c)(3) | 1964 | $1.9 million | $5.8 million | 2025-12 |
| Knox County Agricultural Society Inc | Food, agriculture and nutrition | 501(c)(3) | 2016 | $1.5 million | $1.3 million | 2024-11 |
| New Directions - the Domestic Abuse Shelter of Knox County | 501(c)(3) | 1983 | $1.5 million | $2.3 million | 2025-06 | |
| Colonial City Lodge 2555 Loyal Order of Moose | 501(c)(8) | 1940 | $1.5 million | $1.9 million | 2026-04 | |
| Woodward Development Corporation | Arts, culture and humanities | 501(c)(3) | 1998 | $1.4 million | $17.1 million | 2024-12 |
| United Way of Knox County Ohio Inc | 501(c)(3) | 1986 | $1.4 million | $1.6 million | 2024-12 | |
| Interchurch Social Services of Knox County Inc | Human services | 501(c)(3) | 2001 | $1.3 million | $2.9 million | 2024-12 |
| Habitat for Humanity International Inc | 501(c)(3) | 1987 | $1.2 million | $2.4 million | 2025-06 | |
| Knox Development Partnership Inc | Community improvement and capacity building | 501(c)(3) | 2022 | $1.2 million | $3.1 million | 2024-12 |
| Knox New Hope Industries Inc | Employment | 501(c)(3) | 1982 | $1.1 million | $2.3 million | 2024-12 |
| Area Development Foundation Inc | 501(c)(6) | 1957 | $813,146 | $2.6 million | 2025-12 | |
| Owl Creek Conservancy | Environment | 501(c)(3) | 2000 | $760,212 | $4.5 million | 2025-12 |
| Independence Industries | Housing and shelter | 501(c)(3) | 1978 | $640,862 | $731,342 | 2025-09 |
| Knox Community Hospital Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2000 | $633,579 | $1.7 million | 2024-12 |
| Central Ohio Manufacturing Partnership | Employment | 501(c)(3) | 2020 | $615,017 | $128,195 | 2024-12 |
| Knox County Humane Society | Animal-related | 501(c)(3) | 1988 | $556,610 | $2.2 million | 2025-12 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1942 | $526,669 | $901,602 | 2026-03 | |
| Jacket Boosters Inc | 501(c)(3) | 1984 | $384,355 | $552,590 | 2026-06 | |
| Knox Pregnancy Services Incorporated | 501(c)(3) | 1988 | $373,705 | $968,488 | 2025-12 | |
| Gary & Drenda Keesee Ministries Inc | Religion-related | 501(c)(3) | 2018 | $352,916 | $35,553 | 2024-12 |
| Knox County Convention and Visitors Bureau | Community improvement and capacity building | 501(c)(6) | 2002 | $341,002 | $550,199 | 2025-12 |
| Food for the Hungry | Food, agriculture and nutrition | 501(c)(3) | 2001 | $338,840 | $409,373 | 2024-12 |
| Mount Vernon Arts Consortium Inc | 501(c)(3) | 2021 | $337,556 | $124,942 | 2024-12 | |
| Amvets | 501(c)(19) | 1954 | $321,506 | $527,782 | 2025-06 | |
| Knox County Chamber of Commerce | 501(c)(6) | $320,004 | $531,803 | 2025-12 | ||
| Winter Sanctuary Inc | Housing and shelter | 501(c)(3) | 2011 | $315,466 | $843,452 | 2025-06 |
| Mtvarts Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $292,521 | $312,384 | 2025-12 |
| Foundation Park Conservancy | Recreation and sports | 501(c)(3) | 2009 | $278,205 | $907,760 | 2024-12 |
| Veterans of Foreign Wars of the United States | 501(c)(19) | 1968 | $275,854 | $600,931 | 2025-12 | |
| Ohio Gamma Alumni Corporation of Sigma Phi Epsilon | 501(c)(7) | 1993 | $258,169 | $916,459 | 2026-06 | |
| Lazarus Recovery Program Inc | Mental health and crisis intervention | 501(c)(3) | 2018 | $227,941 | $238,190 | 2024-12 |
| Heritage Centre Association Inc | Community improvement and capacity building | 501(c)(3) | 2008 | $182,661 | $265,117 | 2025-12 |
| Sigma Phi Epsilon Fraternity Inc | 501(c)(7) | 1941 | $168,695 | $13,655 | 2026-06 | |
| Place 4 Grace | Human services | 501(c)(3) | 2017 | $163,969 | $304,587 | 2025-12 |
| American Steam Railroadpreservation Association Inc | Arts, culture and humanities | 501(c)(3) | 2007 | $136,943 | $2,112 | 2025-12 |
| Mount Vernon Music & Arts Festival Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $133,232 | $73,591 | 2025-12 |
| Science Play-Space Initiative Spi Inc | Education | 501(c)(3) | 2012 | $131,287 | $586,558 | 2024-12 |
| Touchpointe Marriage & Family Resources | Human services | 501(c)(3) | 2010 | $123,835 | $113,195 | 2025-12 |
| Hopenow | Human services | 501(c)(3) | 2009 | $120,627 | $107,874 | 2025-12 |
| Knox County Memorial Building Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $97,975 | $76,681 | 2024-12 |
| Christian Star Academy Inc | Education | 501(c)(3) | 1987 | $97,480 | $129,107 | 2026-05 |
| Knox County Historical Society | 501(c)(3) | 1985 | $94,005 | $2.1 million | 2025-12 | |
| Little League Baseball Inc | 501(c)(3) | 1967 | $71,951 | $70,697 | 2024-12 | |
| Community Concert Association of Knox County | Arts, culture and humanities | 501(c)(3) | 1992 | $67,110 | $66,839 | 2025-12 |
| Public Health Partnership of Knoxcounty | Health care | 501(c)(3) | 2012 | $63,173 | $38,810 | 2025-12 |
| Mount Vernon Music Booster Club Inc | 501(c)(3) | 1984 | $61,484 | $116,279 | 2026-06 | |
| Faculty for Undergraduate Neuroscience | Education | 501(c)(3) | 1998 | $58,030 | $285,518 | 2025-12 |
| Escape Zone | Youth development | 501(c)(3) | 2001 | $47,142 | $219,553 | 2025-12 |
| Knox County Colt Football League Incorporated | 501(c)(3) | 2004 | $42,124 | $14,323 | 2024-12 | |
| Knox County Symphony Association | 501(c)(3) | 1968 | $30,217 | $110,052 | 2026-05 | |
| Ohio Classical Conference | Arts, culture and humanities | 501(c)(3) | 1952 | $23,316 | $328,142 | 2025-09 |
| Eastern Alliance for Production Katahdins | Food, agriculture and nutrition | 501(c)(5) | 2021 | $20,444 | $29,788 | 2025-12 |
| The Chiropractic Association of Ohio Inc | 501(c)(6) | 1993 | $9,377 | $49,495 | 2022-12 | |
| Renewing Love Ministries | Religion-related | 501(c)(3) | 2000 | $635 | $5,767 | 2025-12 |
| Afterglow Life Services and Recovery Network | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Amvets | 501(c)(19) | 1954 | $0 | $0 | 2025-05 | |
| Animal House Foundation | Animal-related | 501(c)(3) | 2025 | |||
| Apostolic Christian Church Inc | 501(c)(3) | 1956 | ||||
| April Showers Ministries Inc | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| B & L Ministries Inc | Religion-related | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Buckeye Central Erie Baptist Association | 501(c)(3) | 1963 | ||||
| Camp Cornish Foundation | Youth development | 501(c)(3) | 2013 | $0 | $233,740 | 2025-12 |
| Camp Sychar Association | 501(c)(3) | 1959 | ||||
| Centerburg Colt Cheer | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Central Ohio Communicators for Christ Inc | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Chomp Ministries | Food, agriculture and nutrition | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Christians United in Christ Baptist Church | 501(c)(3) | 1963 | ||||
| Colonial City Chapter 100 Women of the Moose | 501(c)(8) | 1935 | $0 | $0 | 2026-04 | |
| Columbia Elementary Parent Teacherorganization Inc | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Community Roots Corp | Community improvement and capacity building | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Eash Family Ministry | 501(c)(3) | 1983 | ||||
| East School Pto | Education | 501(c)(3) | 2026 | $0 | $0 | 2022-05 |
| Faith Evangelical Lutheran Church | 501(c)(3) | 1988 | ||||
| Fire and Iron Station 117 | Human services | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| First Baptist Church | 501(c)(3) | 1955 | ||||
| First Christian Church | 501(c)(3) | 1951 | ||||
| First Church of God | 501(c)(3) | 1960 | ||||
| First Southern Baptist Fellowship of Fredericktown | 501(c)(3) | 1963 | ||||
| Firstborns North America | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $5 million | 2024-12 | |
| Foothills Restoration Werks Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Fraternal Order of Police | 501(c)(8) | 1952 | $0 | $0 | 2025-06 | |
| Fraternal Order of Police | 501(c)(8) | 1952 | $0 | $0 | 2025-12 | |
| Fredericktown Community Foundation | Public and societal benefit | 501(c)(3) | 2000 | $0 | $0 | 2024-12 |
| Fredericktown Girls Softball League Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Fredericktown High School Alumni Association | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Free & Accepted Masons of Ohio | 501(c)(10) | 1940 | $0 | $0 | 2025-10 | |
| Friends of the Kokosing Scenic River | Environment | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Friends of the Library of Mount Vernon and Knox County | Education | 501(c)(3) | 1995 | $0 | $0 | 2023-12 |
| Fur Missile K9 Foundation Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Giving Hope Charity | Human services | 501(c)(3) | 2021 | $0 | $0 | 2026-01 |
| Grace Baptist | 501(c)(3) | 1963 | ||||
| Grace Community Church of Mt Vernon | Religion-related | 501(c)(3) | 2022 | |||
| Green Valley Baptist Church | 501(c)(3) | 1963 | ||||
| Heart of Ohio Business Association Inc | Community improvement and capacity building | 501(c)(6) | 2023 | $0 | $0 | 2025-12 |
| Hospice of Knox County | Human services | 501(c)(3) | 1983 | $0 | $0 | 2024-12 |
| In A Soldiers Shoes Foundation | Public and societal benefit | 501(c)(3) | 2025 | $0 | $0 | 2026-01 |
| International Association of Firefighters Local 3712 Mt Vernon | Employment | 501(c)(5) | 2024 | $0 | $0 | 2025-09 |
| International Association of Lions Clubs | 501(c)(4) | 1971 | $0 | $0 | 2025-06 | |
| International Union of Painters and Allied Trades | 501(c)(5) | 1941 | $0 | $0 | 2025-12 | |
| Joshua Restoration Ranch Inc | Housing and shelter | 501(c)(3) | 2015 | $0 | $0 | 2023-11 |
| Justines Lucky Dogs | Animal-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Kiddy Threads Project | Health care | 501(c)(3) | 2024 | $0 | $0 | 2024-10 |
| Kiwanis International Inc | 501(c)(4) | 1966 | $0 | $0 | 2025-09 | |
| Knox Alliance for Racial Equality Inc | Education | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Knox Babe Ruth League | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Knox County 4-H Planning Committee | Youth development | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Knox County Beekeepers Association | Food, agriculture and nutrition | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Knox County Board of Realtors Incorporated | 501(c)(6) | 1986 | $0 | $0 | 2022-12 | |
| Knox County Cattlemans Association | Animal-related | 501(c)(3) | 2024 | |||
| Knox County Fish & Game Association | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Knox County Genealogical Society | 501(c)(3) | 1991 | $0 | $0 | 2025-12 | |
| Knox County Joint Veterans Council Military Honor Guard | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Knox County Junior Miss Program Inc | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2026-02 |
| Knox County Kids Succeed Corp | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Knox County Sheep Association Inc | Food, agriculture and nutrition | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Knox Housing Services Inc | Housing and shelter | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Knox Network of Christian Ministries | Religion-related | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Knox Substance Abuse Action Team | Mental health and crisis intervention | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Knoxco Task Force for Older Adults | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Kokosing Valley Community Tennis Assoication | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Launch Baseball Inc | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Madhatters of Knox County | Human services | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Mansfield First Friends Church | 501(c)(3) | 1963 | ||||
| Mazza Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| McCullough Promise Inc | Animal-related | 501(c)(3) | 2025 | |||
| Millennium First Inc | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Modern Woodmen of America | 501(c)(8) | 1961 | $0 | $0 | 2025-12 | |
| Mount Vernon Amateur Radio Club Inc | 501(c)(3) | 1990 | $0 | $0 | 2025-12 | |
| Mount Vernon Association of Police Chaplains | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Mount Vernon Community Band | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Mount Vernon High Academic Booster Club | Education | 501(c)(3) | 1996 | $0 | $0 | 2023-06 |
| Mount Vernon Nazarene University Foundation Inc | Education | 501(c)(3) | 1994 | $0 | $0 | 2025-05 |
| Mount Vernon New Life Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Mount Vernon Orange Sox 2029 | Recreation and sports | 501(c)(3) | 2025 | |||
| Mount Vernon Parking Co | 501(c)(4) | 1979 | $0 | $0 | 2025-12 | |
| Mount Vernon Players | Arts, culture and humanities | 501(c)(3) | 2007 | $0 | $0 | 2025-09 |
| Mount Vernon Rotary Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Mount Vernon Sda School | 501(c)(3) | 1947 | ||||
| Mount Vernon Soccer Association Incorporated | Recreation and sports | 501(c)(3) | 2025 | |||
| Mt Vernon Council No 847 Knights of Columbus | Mutual and membership benefit | 501(c)(8) | 2024 | |||
| Mt Vernon Foursquare Church | 501(c)(3) | 1949 | ||||
| Mulberry Street Methodist Church | 501(c)(3) | 1974 | 2013-12 | |||
| Mystic Order of Veiled Prophets of Enchanted Realm | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| National Association of Letter Carriers | 501(c)(5) | 1944 | $0 | $0 | 2024-12 | |
| National Exchange Club | 501(c)(4) | 1950 | $0 | $0 | 2025-12 | |
| Neff Marine Corps Museum Inc | Arts, culture and humanities | 501(c)(3) | 2001 | $0 | $0 | 2024-12 |
| North Central Ohio District Church of the Nazarene | 501(c)(3) | 1963 | ||||
| North Fork Youth Athletic Association | Recreation and sports | 501(c)(3) | 2023 | $1,332 | 2024-12 | |
| Oak Street Foundation | 501(c)(3) | 2023 | $0 | $0 | 2025-12 | |
| Ohio Homeless Impact Organization I NC | Housing and shelter | 501(c)(3) | 2026 | |||
| Ohio Housing Network Inc | Housing and shelter | 501(c)(3) | 2025 | |||
| Ohio Scholars Association Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| One Less Stone Quartet | 501(c)(3) | 1991 | ||||
| Onion Bag Litter Prevention Project | Environment | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Order of the Eastern Star of Ohio | 501(c)(10) | 1940 | $0 | $0 | 2025-05 | |
| Order of the Eastern Star of Ohio | 501(c)(10) | 2020 | $0 | $0 | 2025-12 | |
| Overcomers Christian Church | Religion-related | 501(c)(3) | 1996 | |||
| Owl Creek Baptist Church | 501(c)(3) | 1955 | ||||
| Paddle for Heroes | Public and societal benefit | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Paradise in the Sky Youth Motivational Services Inc | Human services | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Proclamation Church | Religion-related | 501(c)(3) | 2022 | |||
| Promoting Hope | International, foreign affairs and national security | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Psi Iota Xi Sorority | 501(c)(3) | 1971 | ||||
| Ramser Arboretum | Environment | 501(c)(3) | 1996 | $10 million | 2025-12 | |
| Rardin Ranch | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Revive Church - Mount Vernon | Religion-related | 501(c)(3) | 2025 | |||
| Rotary International | 501(c)(4) | 1958 | $0 | $0 | 2026-06 | |
| Royal & Select Masons of Ohio | 501(c)(8) | 1941 | $0 | $0 | 2025-05 | |
| Royal Arch Masons of Ohio | 501(c)(8) | 1940 | $0 | $0 | 2025-05 | |
| Runaway Theatre Company | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Shady Owl Ranch | Animal-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Shepherds House A Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Sons of Amvets Squadron 95 | Public and societal benefit | 501(c)(3) | 2025 | $0 | $0 | 2026-05 |
| Soroptimist International of the Americas Inc | Crime and legal-related | 501(c)(3) | 2002 | $0 | $0 | 2026-06 |
| St John the Baptist Parish | 501(c)(3) | 1946 | ||||
| St Pauls Episcopal Church | 501(c)(3) | 1940 | 2013-12 | |||
| St Vincent de Paul Rectory | 501(c)(3) | 1946 | 2012-06 | |||
| Sweet Adelines International | 501(c)(3) | 1955 | $0 | $0 | 2026-04 | |
| The Ariel Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $38.6 million | 2024-12 | |
| The Knox County Horse Park Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | |||
| The Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| The Virtues and Character Development Project | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Trinity Assembly of God | 501(c)(3) | 1964 | ||||
| Trinity Place of Gathering Inc | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Troopers Friends Inc | Animal-related | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Twin Oak Parent Teacher Organization | Education | 501(c)(3) | 2014 | $0 | $0 | 2026-07 |
| United Steelworkers | 501(c)(5) | 1940 | $0 | $0 | 2025-12 | |
| United Steelworkers | 501(c)(5) | 1940 | $0 | $0 | 2025-12 | |
| Veterans On the Camino | Public and societal benefit | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Vineyard Church of Knox County Incorporated | Religion-related | 501(c)(3) | 2004 |
By cause in Mount Vernon, OH
- Education 18
- Youth development 18
- Religion-related 15
- Arts, culture and humanities 13
- Human services 11
- Recreation and sports 10
- Housing and shelter 7
- Animal-related 7
- Community improvement and capacity building 7
- Food, agriculture and nutrition 6
- Public and societal benefit 6
- Health care 5
- Philanthropy, voluntarism and grantmaking foundations 5
- Environment 4
- Mental health and crisis intervention 3
- Employment 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.