Nonprofits in Oak Park, Illinois

66 nonprofits in Oak Park, Illinois. See where $525.3M in donations goes — program spending, CEO pay, and red flags from IRS 990 filings.

66Nonprofits
$525.3MTotal Revenue
$0Total Assets
8Categories

Nonprofit Categories in Oak Park

Education: 12 orgs Philanthropy & Grantmaking: 9 orgs Health Care: 4 orgs Human Services: 4 orgs International: 3 orgs Arts, Culture & Humanities: 3 orgs Environment: 2 orgs Recreation & Sports: 2 orgs

Top Nonprofits in Oak Park by Revenue

#OrganizationCategoryRevenueScoreAI 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

All Oak Park Organizations (66)

Bigger Table

Food, Agriculture & Nutrition · $411K revenue

Y E M B A

Recreation & Sports · $620K revenue

Other Cities in Illinois

Chicago (3338) Springfield (316) Rockford (175) Peoria (149) Evanston (141) Wheaton (119) Schaumburg (118) Champaign (107) Naperville (103) Oak Brook (97) Bloomington (85) Northbrook (79) Downers Grove (76) Decatur (75) Aurora (71) Lake Forest (70) Des Plaines (69) Quincy (67) Elgin (66) Skokie (64)

About Nonprofit Research in Oak Park

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.

Frequently Asked Questions

How many nonprofits are in Oak Park, Illinois?

There are 66 registered nonprofits in Oak Park, Illinois, with $525.3M in combined annual revenue and $0 in total assets.

What is the largest nonprofit in Oak Park, Illinois?

The largest nonprofit in Oak Park by revenue is Rush Oak Park Hospital Inc with $240.7M in annual revenue.

What types of nonprofits operate in Oak Park?

The most common categories in Oak Park are Education, Philanthropy & Grantmaking, Health Care.

How efficient are nonprofits in Oak Park with their spending?

Spending efficiency data is being compiled for nonprofits in Oak Park.

What is the highest executive compensation at a nonprofit in Oak Park?

Executive compensation data is being compiled for nonprofits in Oak Park.

How can I research a nonprofit 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.

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