Data / Nonprofits / Iowa / Carroll / Philanthropy, voluntarism and grantmaking foundations
Philanthropy, voluntarism and grantmaking foundations nonprofits in Carroll, IA: 14 registered with the IRS
14 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Carroll, IA, 14 of them 501(c)(3) charities; the 3 that report revenue took in $1.1 million. The largest by revenue: Community Foundation of Carroll County ($474,984), John W Nelson Trust ($342,164), Retired Senior Volunteer Program of Carroll County ($256,208).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Community Foundation of Carroll County | 501(c)(3) | 2004 | $474,984 | $1.9 million | 2025-06 |
| John W Nelson Trust | 501(c)(3) | 1966 | $342,164 | $1.2 million | 2026-04 |
| Retired Senior Volunteer Program of Carroll County | 501(c)(3) | 1981 | $256,208 | $164,570 | 2025-03 |
| Angels Forever Inc | 501(c)(3) | 2021 | $305,422 | 2025-12 | |
| Carroll Foundation | 501(c)(3) | 2008 | $0 | $0 | 2025-06 |
| Gilbert Renze Charitable Foundation Trust | 501(c)(3) | 2008 | $1.5 million | 2025-12 | |
| John Edward Rath Charitable Foundation | 501(c)(3) | 2011 | $12.3 million | 2025-12 | |
| Keith Kerkhoff Charitable Trust | 501(c)(3) | 2023 | $44,568 | 2025-12 | |
| Knights of Columbus | 501(c)(3) | 2013 | $0 | $0 | 2025-06 |
| Masonic Signet Lodge 264 Charitable Foundation | 501(c)(3) | 2022 | $312,057 | 2025-12 | |
| Russell H Reineke Charitable Foundation | 501(c)(3) | 2018 | $384 | 2025-12 | |
| Russell Reineke Foundation | 501(c)(3) | 2019 | $9.5 million | 2025-12 | |
| The Koster Foundation | 501(c)(3) | 2026 | |||
| Warren H Timmerman Charitable Trust | 501(c)(3) | 2007 | $1.2 million | 2025-12 |
Other causes in Carroll, IA
- Recreation and sports 10
- Community improvement and capacity building 10
- Education 9
- Religion-related 6
- Arts, culture and humanities 4
- Human services 4
- Housing and shelter 4
- Animal-related 3
Every nonprofit in Carroll, IA · Philanthropy, voluntarism and grantmaking foundations nonprofits across the state · 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.