Data / Nonprofits / Iowa / Marengo
Nonprofits in Marengo, IA: 33 registered with the IRS
33 nonprofits are registered with the IRS in Marengo, IA, 26 of them 501(c)(3) charities; the 7 that report revenue took in $1.2 million. The largest by revenue: Marengo Memorial Hospital Foundation ($276,453), Professional Service Association Inc ($261,214), Iowa County Fair Incorporated ($205,566). Most common causes: community improvement and capacity building (3), health care (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Marengo Memorial Hospital Foundation | Health care | 501(c)(3) | 2004 | $276,453 | $773,451 | 2026-06 |
| Professional Service Association Inc | 501(c)(6) | 1995 | $261,214 | $243,885 | 2024-12 | |
| Iowa County Fair Incorporated | 501(c)(3) | 1954 | $205,566 | $726,793 | 2025-12 | |
| Marengo Firefighters Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2019 | $154,843 | $1.1 million | 2025-01 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $130,909 | $98,427 | 2026-06 | |
| Wandling Wendel Post 76 Dep of Iowa American Legion | Public and societal benefit | 501(c)(19) | 2022 | $109,409 | $1.2 million | 2025-07 |
| Intl Society of Certified Electronics Tech | 501(c)(6) | 1966 | $85,199 | $69,968 | 2024-12 | |
| American Legion Auxiliary | 501(c)(19) | 1923 | $0 | $0 | 2025-12 | |
| American Shooting and Outdoor Heritage Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $1 | 2025-12 | |
| Anchored in Faith Ministries | 501(c)(3) | 1970 | ||||
| First Lutheran Church | 501(c)(3) | 1988 | ||||
| Friends of Marengo | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-07 |
| Friends of the Marengo Public Library | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Gateway Improvement Group Inc | Recreation and sports | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Hooves & Feathers Barnyard Sanctuary Inc | Animal-related | 501(c)(3) | 2019 | $4,366 | 2025-12 | |
| Iowa County Ems Foundation | Health care | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Iowa County Historical Society | Arts, culture and humanities | 501(c)(3) | 1969 | $0 | $0 | 2025-12 |
| Iowa Valley Alumni Association | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Iowa Valley Community School District Foundation | Education | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Iowa Valley Education Association | 501(c)(5) | 1988 | $0 | $0 | 2025-08 | |
| Iowa Valley Elementary Pto | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Kiwanis Club of Marengo Iowa | 501(c)(4) | 2019 | $0 | $0 | 2025-12 | |
| Koszta Church of God in Jesus Christ | 501(c)(3) | 1991 | ||||
| Ladora Development Committee | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Marengo | Community improvement and capacity building | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Marengo Chamber of Commerce | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Marengo Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Marengo Community Center Inc | Human services | 501(c)(3) | 2009 | $0 | $0 | 2026-07 |
| Marengo Food Pantry Inc | Food, agriculture and nutrition | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Marengo Memorial Hospital | Health care | 501(c)(3) | 2008 | |||
| Rex & Christine Bishop Perpetual SCHLSHP FD for Ia Valley Cmty SCH | 501(c)(3) | 1984 | $262,189 | 2025-12 | ||
| Rotary International | 501(c)(4) | 1958 | $0 | $0 | 2026-06 | |
| St John Lutheran Church | 501(c)(3) | 1941 |
By cause in Marengo, IA
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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.