Data / Nonprofits / Illinois / Waterloo
Nonprofits in Waterloo, IL: 116 registered with the IRS
116 nonprofits are registered with the IRS in Waterloo, IL, 86 of them 501(c)(3) charities; the 36 that report revenue took in $35.2 million. The largest by revenue: Monroe County Electric Coop Inc ($20 million), Human Support Services ($8.6 million), House of Neighborly Service - Monroe County Il ($707,488). Most common causes: youth development (13), arts, culture and humanities (9), education (9).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Monroe County Electric Coop Inc | 501(c)(12) | 1939 | $20 million | $54.5 million | 2024-12 | |
| Human Support Services | Mental health and crisis intervention | 501(c)(3) | 1973 | $8.6 million | $6.1 million | 2025-06 |
| House of Neighborly Service - Monroe County Il | Human services | 501(c)(3) | 2015 | $707,488 | $344,408 | 2025-12 |
| Monroe County Apartments 4 Association | Housing and shelter | 501(c)(3) | 2000 | $662,297 | $2.7 million | 2025-06 |
| Monroe County Fair Association | 501(c)(5) | 1950 | $632,548 | $1.9 million | 2025-09 | |
| St Louis Steamers Soccer Organization Inc | Recreation and sports | 501(c)(3) | 2015 | $565,295 | $188,840 | 2024-12 |
| Independent Order of Odd Fellows | 501(c)(8) | 1962 | $421,459 | $2.9 million | 2025-06 | |
| Life Network of Southern Illinois | Health care | 501(c)(3) | 1993 | $397,039 | $1.4 million | 2025-12 |
| Ceifa Ministry International | Religion-related | 501(c)(3) | 1995 | $376,981 | $4,980 | 2025-12 |
| Waterloo Sports Association | Recreation and sports | 501(c)(3) | 1987 | $326,606 | $323,482 | 2025-12 |
| Monroe County Helping Hand | Human services | 501(c)(3) | 2011 | $243,247 | $13,811 | 2025-12 |
| Waterloo Chapter of Monroe County Sportsmans Club Inc | 501(c)(4) | 1958 | $231,395 | $565,624 | 2026-02 | |
| Back Porch Thrift Shop | Human services | 501(c)(3) | 2019 | $224,505 | $63,829 | 2025-12 |
| Monroe County Farm Bureau | 501(c)(5) | 1925 | $218,347 | $978,627 | 2025-12 | |
| St Pauls Evangelical Burial Park- Conrad Kolmer Memorial | 501(c)(13) | 1933 | $203,168 | $2.6 million | 2025-12 | |
| Waterloo Chamber of Commerce | 501(c)(6) | 1933 | $140,546 | $264,223 | 2025-12 | |
| Monroe County Nursing Home Memorial Endowment Association | Health care | 501(c)(3) | 1975 | $129,228 | $2.5 million | 2025-09 |
| Veterans of Foreign Wars 6504 Metzger-Crook Post | Public and societal benefit | 501(c)(19) | 1964 | $125,299 | $352,405 | 2026-06 |
| Monroe County Il Economic Development Corporation | Community improvement and capacity building | 501(c)(3) | 2016 | $116,411 | $314,017 | 2025-12 |
| Waterloo Bulldog Wrestling | Recreation and sports | 501(c)(3) | 2018 | $104,798 | $581,669 | 2024-12 |
| Human Support Services Foundation | Mental health and crisis intervention | 501(c)(3) | 1982 | $101,004 | $1.7 million | 2025-06 |
| Monroe Actors Stage Company | Arts, culture and humanities | 501(c)(3) | 2002 | $87,249 | $56,543 | 2025-07 |
| Waterloo High School Bulldogs Athletic Booster Club | Education | 501(c)(3) | 2003 | $85,758 | $111,363 | 2024-07 |
| Monroe County Extension & 4-H Education Foundation | Education | 501(c)(3) | 2002 | $84,279 | $407,601 | 2025-12 |
| Monroe County Farm Bureau Foundation | Food, agriculture and nutrition | 501(c)(3) | 1995 | $74,952 | $203,760 | 2025-12 |
| Mandy Ebeler Foundation | Youth development | 501(c)(3) | 2025 | $68,151 | $78,526 | 2025-12 |
| Waterloo Citizens for A Pool | Recreation and sports | 501(c)(3) | 2017 | $57,390 | $202,183 | 2024-12 |
| International Association of Lions Clubs | 501(c)(4) | 1953 | $53,136 | $26,502 | 2025-06 | |
| Vincentian Community | Religion-related | 501(c)(3) | 2017 | $40,121 | $0 | 2025-12 |
| Monroe County Retail Liquor Association | Community improvement and capacity building | 501(c)(6) | 2000 | $30,471 | $29,089 | 2025-06 |
| Waterloo Museum Society | Arts, culture and humanities | 501(c)(3) | 2000 | $29,777 | $722,847 | 2025-12 |
| Gateway Grizzlies Booster Club | Philanthropy, voluntarism and grantmaking foundations | 501(c)(4) | 2003 | $10,953 | $9,008 | 2025-12 |
| Ahne Road Farms Inc | Arts, culture and humanities | 501(c)(3) | 2008 | $10,819 | $36,104 | 2024-12 |
| Hero 101 Fund | 501(c)(3) | 2009 | $10,601 | $108,982 | 2025-12 | |
| St Clair County Extension and 4-H Education Foundation | 501(c)(3) | 1980 | $5,031 | $42,498 | 2025-06 | |
| Prairie Du Rocher Saddle & Bridle Club | 501(c)(7) | 1966 | $1,964 | $4,223 | 2025-12 | |
| Alois & Twyla O Luhr Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $95,981 | 2025-06 | |
| American College of Healthcare Executives | Community improvement and capacity building | 501(c)(6) | 1983 | $0 | $0 | 2025-12 |
| American Legion Post 0747 Waterloo Post | 501(c)(19) | 1948 | $0 | $0 | 2025-12 | |
| American Legion Post 1215 Renault Post | 501(c)(19) | 1952 | $0 | $0 | 2025-12 | |
| Archaeological Research Center | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Beaver Lake Fishing Club Inc | 501(c)(7) | 1941 | $0 | $0 | 2026-03 | |
| Bishops Small Dog Rescue Inc NFP | Animal-related | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Brotherhood of Railroad Signalmen | 501(c)(5) | 1941 | $0 | $0 | 2023-12 | |
| Camp Vandeventer Inc | Environment | 501(c)(3) | 2022 | $2.5 million | 2025-12 | |
| 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 |
| 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 | 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 |
| 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 |
| Citizens for Radioactive Radon Reduction Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Concord Presbyterian Church | 501(c)(3) | 1974 | ||||
| Coon Lake Club Inc | 501(c)(7) | 1953 | $0 | $0 | 2025-12 | |
| Department of Illinois VFW Auxiliary VFW Inc | Public and societal benefit | 501(c)(19) | 2010 | $0 | $0 | 2026-06 |
| Driving Disciples | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Dudes Playground | Public and societal benefit | 501(c)(3) | 2018 | $0 | $0 | 2026-05 |
| Eagle Cliff - Miles Cemetery Endowment Incorporated | Mutual and membership benefit | 501(c)(13) | 2019 | $0 | $0 | 2025-12 |
| Family Shield Ministries Inc | Religion-related | 501(c)(3) | 1995 | $0 | $0 | 2026-06 |
| Farmers Market of Monroe County NFP | Food, agriculture and nutrition | 501(c)(5) | 2025 | $0 | $0 | 2025-12 |
| First Baptist Church of Waterloo | 501(c)(3) | 1970 | 2010-12 | |||
| Fraternal Order of Police | 501(c)(8) | 1952 | $0 | $0 | 2025-12 | |
| Friends in Stitches Quilt Guild | Education | 501(c)(3) | 2012 | $0 | $0 | 2026-06 |
| Friends of the Smithton Public Library District | Education | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| George and Noreen Ziebold Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2012 | $4,731 | 2025-12 | |
| Gibault High School | 501(c)(3) | 1946 | ||||
| Happy Trails Therapeutic Horsemanship | Animal-related | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| Harvest Center | 501(c)(3) | 1985 | ||||
| Historic Main Street Columbia Association Inc | Community improvement and capacity building | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Holy Cross Lutheran Church | 501(c)(3) | 1941 | ||||
| Hometown Friends | Community improvement and capacity building | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Immanuel Lutheran Church Missouri Synod | 501(c)(3) | 1941 | 2012-12 | |||
| Immanuel Lutheran Preschool | 501(c)(3) | 1941 | ||||
| International Association of Lions Clubs | 501(c)(4) | 1969 | $0 | $0 | 2025-06 | |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2024-06 | |
| Kaskaskia-Cahokia Trail Coalition | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2026-06 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2026-06 | |
| Lighthouse Church | Religion-related | 501(c)(3) | 1999 | |||
| Linda Limestall Fund | Recreation and sports | 501(c)(4) | 2010 | $0 | $0 | 2025-12 |
| Madison Street Historic Preservation Inc NFP | Community improvement and capacity building | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Manifesting Musicians NFP | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Monroe County Arts Alliance | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Monroe County Association for Home and Community Education | 501(c)(5) | 1951 | $0 | $0 | 2025-12 | |
| Monroe County Historical Society | Arts, culture and humanities | 501(c)(3) | 1967 | $0 | $0 | 2025-12 |
| Morrison Talbott Library Memorial Endowment Association | Education | 501(c)(3) | 1984 | $0 | $0 | 2026-04 |
| Mueth Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $1.7 million | 2025-12 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1969 | $0 | $0 | 2025-12 | |
| One Step Giving | Religion-related | 501(c)(3) | 2025 | |||
| Parents Assisting Waterloo Schools | Education | 501(c)(3) | 2026 | |||
| Project Skipper | Public safety, disaster preparedness and relief | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Rapturo Inc NFP | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Real Life United Methodist Church | 501(c)(3) | |||||
| Rotary International | 501(c)(4) | 1966 | $0 | $0 | 2026-06 | |
| Sister Cities of Porta Loo | Arts, culture and humanities | 501(c)(3) | 2010 | $0 | $0 | 2025-09 |
| Society for Preservation & Encourmt of Barbershop Quartet Singing Amer | 501(c)(3) | 1946 | $0 | $0 | 2025-12 | |
| Society of St Vincent de Paul | Human services | 501(c)(3) | 2019 | $0 | $0 | 2025-09 |
| St Paul United Church of Christ of Floraville | Religion-related | 501(c)(3) | 2017 | |||
| Swing Fore Monroe County Inc | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| The Integration Project | Crime and legal-related | 501(c)(3) | 2026 | |||
| Tops Club Inc | Health care | 501(c)(3) | 2008 | $0 | $0 | 2026-03 |
| Waterloo Band Parents Organization Inc | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Waterloo Columbus Club Inc | 501(c)(3) | 1987 | $466,747 | 2025-06 | ||
| Waterloo Foundation for Excellence in Education | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Waterloo Listens | Civil rights, social action and advocacy | 501(c)(4) | 2024 | $0 | $0 | 2026-04 |
| Waterloo Park District Foundation NFP | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2026-04 |
| Waterloo Piranhas Team Corporation | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Waterloo Rotary Tol | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| Zoey Rongey Memorial Fund | Human services | 501(c)(3) | 2026 |
By cause in Waterloo, IL
- Youth development 13
- Arts, culture and humanities 9
- Education 9
- Religion-related 8
- Recreation and sports 6
- Community improvement and capacity building 6
- Public and societal benefit 5
- Human services 5
- Philanthropy, voluntarism and grantmaking foundations 4
- Health care 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.