Data / Nonprofits / Illinois / Monmouth
Nonprofits in Monmouth, IL: 80 registered with the IRS
80 nonprofits are registered with the IRS in Monmouth, IL, 63 of them 501(c)(3) charities; the 29 that report revenue took in $82.5 million. The largest by revenue: Monmouth College ($58.7 million), Warren Achievement Center Inc ($7.4 million), Special Abilities Endowment ($7.3 million). Most common causes: youth development (6), education (6), human services (5).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Monmouth College | Education | 501(c)(3) | 1936 | $58.7 million | $241 million | 2025-06 |
| Warren Achievement Center Inc | 501(c)(3) | 1963 | $7.4 million | $4.3 million | 2025-06 | |
| Special Abilities Endowment | Human services | 501(c)(3) | 2024 | $7.3 million | $7 million | 2025-06 |
| Jamieson Community Center Inc | Human services | 501(c)(3) | 1976 | $2.3 million | $8.4 million | 2025-12 |
| Young Mens Christian Association of Warren County | 501(c)(3) | 1962 | $2.2 million | $7.3 million | 2025-12 | |
| Buchanan Center for the Arts | Arts, culture and humanities | 501(c)(3) | 1990 | $1.1 million | $2.4 million | 2024-12 |
| Strom Center Inc | 501(c)(3) | 1983 | $432,900 | $350,644 | 2025-12 | |
| Warren County United Way Inc | 501(c)(3) | 1972 | $398,919 | $2.6 million | 2024-12 | |
| Warren Henderson Farm Bureau Inc | 501(c)(5) | 1993 | $374,320 | $1.2 million | 2026-03 | |
| Monmouth Country Club | 501(c)(7) | 1956 | $335,521 | $395,267 | 2025-12 | |
| Warren County Y M C A Foundation Inc | Recreation and sports | 501(c)(3) | 2004 | $279,346 | $9 million | 2025-12 |
| Achievement Center Endowment Fund Inc | 501(c)(3) | 1988 | $265,712 | $1.2 million | 2025-06 | |
| Strong Foundations Inc | Housing and shelter | 501(c)(3) | 2014 | $265,300 | $1.3 million | 2026-03 |
| Rainbow Riders NFP | Recreation and sports | 501(c)(3) | 2006 | $163,228 | $332,233 | 2025-12 |
| Monmouth Chamber of Commerce | 501(c)(6) | 1938 | $134,041 | $60,293 | 2025-12 | |
| Stoneware Museum of Monmouth Illinois | Arts, culture and humanities | 501(c)(3) | 2019 | $134,000 | $86,938 | 2025-12 |
| Western Illinois Animal Rescue Inc | Animal-related | 501(c)(3) | 2001 | $132,992 | $999,565 | 2025-12 |
| Youngs Lake Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(7) | 2001 | $94,556 | $125,383 | 2025-07 |
| Society of Army Physicians Assistant - Sapa | 501(c)(6) | 1978 | $92,423 | $118,577 | 2024-06 | |
| Warren Henderson Farm Bureau Foundation | 501(c)(3) | 1993 | $87,791 | $232,856 | 2026-03 | |
| Prairie Achievement Center | Human services | 501(c)(3) | 2007 | $85,833 | $937,272 | 2025-06 |
| Wyatt Earp Birthplace Inc | 501(c)(3) | 1987 | $81,696 | $175,779 | 2025-07 | |
| Monmouth One Voice for Everyone | Community improvement and capacity building | 501(c)(6) | 2023 | $80,796 | $34,199 | 2025-12 |
| Maple City Field of Dreams | Recreation and sports | 501(c)(3) | 1998 | $63,094 | $116,481 | 2025-12 |
| Mapleway Achievement Center | Human services | 501(c)(3) | 2009 | $62,224 | $668,070 | 2025-06 |
| Monmouth-Roseville Education Foundation | 501(c)(3) | 1992 | $27,296 | $388,671 | 2025-12 | |
| Fraternal Order of Police | Human services | 501(c)(8) | 1952 | $16,752 | $15,061 | 2025-12 |
| Veterans of Foreign Wars Department of Illinois | 501(c)(19) | 1964 | $14,323 | $164,992 | 2025-06 | |
| Warren County Library & Reading Room Association | 501(c)(3) | 1953 | $3,863 | $715,077 | 2025-11 | |
| Addleman Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1965 | $258,212 | 2025-12 | |
| American Legion Auxiliary | 501(c)(19) | 1945 | $0 | $0 | 2024-07 | |
| Association for Computing Machinery | Science and technology | 501(c)(3) | 1968 | |||
| Central Warren Firemans Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| Champaign County Extension Education Foundation | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Champaign County Extension Education Foundation | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Champaign County Extension Education Foundation | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Champaign County Extension Education Foundation | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Community Focus | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Community Health Foundation of Warren and Henderson Counties | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $17.3 million | 2025-12 | |
| Community Share NFP | Environment | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Countryside Bible Church | 501(c)(3) | 1979 | ||||
| Crime Stoppers of Warren County Inc | 501(c)(3) | 1994 | $0 | $0 | 2024-08 | |
| Edward Arthur Mellinger Educational Foundation | 501(c)(3) | 1961 | $25 million | 2025-12 | ||
| Evelyn Titus Trust Under A Declaration of Trust Dated May 16 | 501(c)(3) | 1992 | $196,868 | 2025-12 | ||
| Fairview Center Church | Religion-related | 501(c)(3) | 2025 | |||
| First Christian Church of Monmouth | 501(c)(3) | 1939 | 2023-12 | |||
| First Lutheran Church Lutheran Day Care Pre School | 501(c)(3) | 1988 | 2013-12 | |||
| Freedom Ride Animal Rescue | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Future Farmers of America State Associations & Local Chapter | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Grace Bible Church of Monmouth | Religion-related | 501(c)(3) | 1993 | |||
| Grace E Buchanan Memorial Fuund Inc | 501(c)(3) | 1986 | $903,644 | 2025-12 | ||
| Greater Life Pentecostal Church Inc | 501(c)(3) | 1960 | ||||
| Immanuel Baptist Church | 501(c)(3) | 1972 | ||||
| International Association of Fire Fighters | 501(c)(5) | 1959 | $0 | $0 | 2024-12 | |
| Jamieson Community Center Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $1 | 2025-12 |
| Kappa Kappa Gamma Fraternity | 501(c)(7) | 1967 | ||||
| Kirkwood Methodist Church Trust | 501(c)(91) | 1900 | ||||
| Kiwanis International Inc | 501(c)(4) | 1940 | $0 | $0 | 2025-09 | |
| Knights Templar of the United States of America | 501(c)(10) | 1964 | $0 | $0 | 2025-12 | |
| Maple Leaf Community Concert Series | Arts, culture and humanities | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Midwestern Educational Research Association | Education | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Monmouth Area Vocational Scholarship | Education | 501(c)(3) | 2026 | |||
| Monmouth Bible Missionary Church | 501(c)(3) | 1957 | ||||
| Monmouth Early Learning Center | Education | 501(c)(3) | 2000 | $0 | $0 | 2025-08 |
| Monmouth Flying Club Inc | Community improvement and capacity building | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Monmouth and Warren County Auxiliary Police | Crime and legal-related | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Outreach Mission Support | Religion-related | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Pattee Foundtion | 501(c)(3) | 1984 | $23.8 million | 2025-12 | ||
| River of Life International Church | 501(c)(3) | 1964 | ||||
| Rotary International | 501(c)(4) | 1953 | $0 | $0 | 2025-06 | |
| Royal Arch Masons of Illinois | 501(c)(8) | 1972 | $0 | $0 | 2026-04 | |
| Tartan Bluff Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $1 | 2025-12 | |
| The Buchanan Choral Society | Arts, culture and humanities | 501(c)(3) | 1995 | $0 | $0 | 2025-06 |
| The Titans Music Boosters Association | Education | 501(c)(3) | 2001 | $0 | $0 | 2023-12 |
| Understanding Works NFP | Youth development | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| United Intermediate Pto | Education | 501(c)(3) | 2024 | |||
| Warren County Historical Society | 501(c)(3) | 1988 | $0 | $0 | 2025-12 | |
| Warren County Prime Beef Festival | Recreation and sports | 501(c)(3) | 2026 | |||
| West Central Leadership Inc | Community improvement and capacity building | 501(c)(3) | 1998 | $0 | $0 | 2023-10 |
| Zeta Beta Tau Fraternity | 501(c)(7) | 1971 | $0 | $0 | 2025-12 |
By cause in Monmouth, IL
- Youth development 6
- Education 6
- Human services 5
- Philanthropy, voluntarism and grantmaking foundations 5
- Recreation and sports 4
- Arts, culture and humanities 4
- Religion-related 3
- Community improvement and capacity building 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.