Data / Nonprofits / Illinois / Waterloo / Arts, culture and humanities
Arts, culture and humanities nonprofits in Waterloo, IL: 9 registered with the IRS
9 arts, culture and humanities nonprofits are registered with the IRS in Waterloo, IL, 9 of them 501(c)(3) charities; the 3 that report revenue took in $127,845. The largest by revenue: Monroe Actors Stage Company ($87,249), Waterloo Museum Society ($29,777), Ahne Road Farms Inc ($10,819).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Monroe Actors Stage Company | 501(c)(3) | 2002 | $87,249 | $56,543 | 2025-07 |
| Waterloo Museum Society | 501(c)(3) | 2000 | $29,777 | $722,847 | 2025-12 |
| Ahne Road Farms Inc | 501(c)(3) | 2008 | $10,819 | $36,104 | 2024-12 |
| Archaeological Research Center | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Kaskaskia-Cahokia Trail Coalition | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Manifesting Musicians NFP | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Monroe County Arts Alliance | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Monroe County Historical Society | 501(c)(3) | 1967 | $0 | $0 | 2025-12 |
| Sister Cities of Porta Loo | 501(c)(3) | 2010 | $0 | $0 | 2025-09 |
Other causes in Waterloo, IL
- Youth development 13
- 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
Every nonprofit in Waterloo, IL · Arts, culture and humanities 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.