100 nonprofits in Wilton, Connecticut. Run local donation checks, compare peers, inspect IRS 990s, and save source links.
All Wilton Organizations (100)
Philanthropy & Grantmaking · $142K revenue
Environment · $133K revenue
· $1.8M revenue
Philanthropy & Grantmaking · $121K revenue
Mental Health · $118K revenue
Education · $120K revenue
Recreation & Sports · $33K revenue
International · $149K revenue
Philanthropy & Grantmaking · $124K revenue
Human Services · $31K revenue
Education · $1.2M revenue
Philanthropy & Grantmaking · $709K revenue
Philanthropy & Grantmaking · $9K revenue
Education · $55K revenue
· $84K revenue
Philanthropy & Grantmaking · $829K revenue
Animal-Related · $155K revenue
Environment · $872K revenue
Arts, Culture & Humanities · $99K revenue
· $62K revenue
Environment · $122K revenue
Arts, Culture & Humanities · $685K revenue
Philanthropy & Grantmaking · $484K revenue
Philanthropy & Grantmaking · $577K revenue
Philanthropy & Grantmaking · $164K revenue
Education · $1.1M revenue
Recreation & Sports · $216K revenue
Philanthropy & Grantmaking · $10K revenue
Environment · $99K revenue
Education · $317K revenue
· $0 revenue
Community Improvement · $851K revenue
· $125K revenue
· $33K revenue
· $159K revenue
Mental Health · $209K revenue
· $101K revenue
· $83K revenue
· $23K revenue
Community Improvement · $10K revenue
· $38K revenue
· $82K revenue
Recreation & Sports · $336K revenue
· $4K revenue
Health Care · $14.4M revenue
· $92K revenue
· $120K revenue
· $109K revenue
Housing & Shelter · $2.9M revenue
Human Services · $1.5M revenue
· $727K revenue
· $168K revenue
Food, Agriculture & Nutrition · $160K revenue
Community Improvement · $77K revenue
Education · $947K revenue
· $10.1M revenue
Education · $4.9M revenue
· $15.2M revenue
· $3.0M revenue
Education · $4.8M revenue
· $1.7M revenue
· $0 revenue
Animal-Related · $160K revenue
Human Services · $94K revenue
Education · $55K revenue
Animal-Related · $1.8M revenue
Religion-Related · $107K revenue
International · $35K revenue
International · $109K revenue
· $0 revenue
Youth Development · $92K revenue
Philanthropy & Grantmaking · $237K revenue
· $6.3M revenue
Philanthropy & Grantmaking · $2K revenue
Arts, Culture & Humanities · $7K revenue
Recreation & Sports · $35K revenue
Recreation & Sports · $331K revenue
Education · $146K revenue
Philanthropy & Grantmaking · $7K revenue
Community Improvement · $604K revenue
Human Services · $66K revenue
Philanthropy & Grantmaking · $5.8M revenue
Education · $1.5M revenue
Recreation & Sports · $10K revenue
Education · $12K revenue
Disease & Disorders · $1.9M revenue
Religion-Related · $285K revenue
· $47K revenue
· $58K revenue
Environment · $821K revenue
Education · $16K revenue
· $0 revenue
Community Improvement · $3.0B revenue
Philanthropy & Grantmaking · $152K revenue
· $52K revenue
· $122K revenue
Education · $277K revenue
Community Improvement · $124K revenue
· $151K revenue
· $0 revenue
About Nonprofit Research in Wilton
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 Wilton, Connecticut, we track 100 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 Wilton, Connecticut?
There are 100 registered nonprofits in Wilton, Connecticut, with $3.1B in combined annual revenue and $0 in total assets.
What is the largest nonprofit in Wilton, Connecticut?
The largest nonprofit in Wilton by revenue is Common Fund For Non Profit Organizations with $3.0B in annual revenue.
What types of nonprofits operate in Wilton?
The most common categories in Wilton are Philanthropy & Grantmaking, Education, Recreation & Sports.
How efficient are nonprofits in Wilton with their spending?
Spending efficiency data is being compiled for nonprofits in Wilton.
What is the highest executive compensation at a nonprofit in Wilton?
Executive compensation data is being compiled for nonprofits in Wilton.
How can I research a nonprofit in Wilton?
You can research any nonprofit in Wilton 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.