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Social Science Nonprofits in the District of Columbia
Givalgo Discover indexes 50 active social science nonprofits headquartered in the District of Columbia. The list below is sorted by reported revenue on the most recent Form 990 indexed for each organisation.
Top 50 by reported revenue
From the most recent Form 990 indexed for each organisation. Click an org for full diligence detail.
Frequently asked questions about social science nonprofits in the District of Columbia
Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.
Frequently asked questions about social science nonprofits in the District of Columbia
Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.
- How many social science nonprofits operate in the District of Columbia?
- Every IRS-registered social science nonprofit in the District of Columbia appears in the Givalgo Discover index. The top 50 by reported revenue are listed on this page; the full set is searchable on discover.givalgo.ai.
- What's the largest social science nonprofit in the District of Columbia?
- The single largest social science nonprofit in the District of Columbia by reported total revenue is shown at the top of the list on this page, sourced from each organisation's most recent IRS Form 990 filing.
- How do I vet a social science nonprofit in the District of Columbia before donating?
- Use Givalgo Discover's free profile for the organisation: it cross-references the IRS Auto-Revocation List, IRS Publication 78, and the IRS Business Master File, and exposes the latest Form 990 financials and governance signals on a single page.
- Are donations to the District of Columbia social science nonprofits tax-deductible?
- Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed social science nonprofit in the District of Columbia are tax-deductible at the federal level; the District of Columbia state tax treatment may differ.
- Where do social science nonprofits in the District of Columbia file their Form 990?
- All US tax-exempt organisations file Form 990 with the IRS at the federal level — there is no state-specific filing for the federal exemption itself. the District of Columbia state charity registration is a separate state-level requirement.