66 nonprofits in Oak Park, Illinois. See where $525.3M in donations goes — program spending, CEO pay, and red flags from IRS 990 filings.
| # | Organization | Category | Revenue | Score | AI Insight |
|---|---|---|---|---|---|
| 1 | Rush Oak Park Hospital Inc | Health Care | $240.7M | — | — |
| 2 | Pcc Community Wellness Center | Health Care | $52.0M | — | — |
| 3 | Ageoptions Inc | Human Services | $38.3M | — | — |
| 4 | Disomma Family Foundation | Philanthropy & Grantmaking | $24.7M | — | — |
| 5 | Hephzibah Childrens Association | $16.3M | — | — | |
| 6 | Oak Park Residence Corp | $10.6M | — | — | |
| 7 | Oak Leyden Developmental Services | $9.4M | — | — | |
| 8 | Eddema Foundation | $8.7M | — | — | |
| 9 | Co Tua R & J Kott Memorial Char | Philanthropy & Grantmaking | $7.7M | — | — |
| 10 | Frank Lloyd Wright Trust | Arts, Culture & Humanities | $6.9M | — | — |
Every tax-exempt nonprofit in the United States is required to file an IRS Form 990, which discloses financial details including revenue, expenses, assets, executive compensation, and program activities. NonprofitSpending uses AI to analyze these public filings and generate transparency reports for each organization.
For Oak Park, Illinois, we track 66 registered nonprofits. Our AI enrichment process evaluates each organization's spending efficiency, revenue trends, governance practices, and mission alignment to produce a mission score and honest headline. This data helps donors, journalists, researchers, and community members make informed decisions about the nonprofits operating in their city.
Data on this page is sourced from IRS 990 filings, IRS Business Master Files, and supplemented with AI-powered analysis. Filing dates, ruling dates, and financial figures reflect the most recent available data. For the most current information on any organization, click through to its individual transparency report.
There are 66 registered nonprofits in Oak Park, Illinois, with $525.3M in combined annual revenue and $0 in total assets.
The largest nonprofit in Oak Park by revenue is Rush Oak Park Hospital Inc with $240.7M in annual revenue.
The most common categories in Oak Park are Education, Philanthropy & Grantmaking, Health Care.
Spending efficiency data is being compiled for nonprofits in Oak Park.
Executive compensation data is being compiled for nonprofits in Oak Park.
You can research any nonprofit in Oak Park by clicking on its name above to view its full AI-powered transparency report. Each report includes IRS 990 financial data, spending breakdowns, executive compensation, revenue trends, and AI-generated risk assessments based on publicly available filings.