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Data / Nonprofits / Washington / Seattle / Social science

Social science nonprofits in Seattle, WA: 10 registered with the IRS

10 social science nonprofits are registered with the IRS in Seattle, WA, 10 of them 501(c)(3) charities; the 4 that report revenue took in $3.1 million. The largest by revenue: Cognitive Science Society ($1.4 million), Puget Sound Sage ($1.3 million), Sustainable Path Foundation ($180,906).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Cognitive Science Society501(c)(3)1980$1.4 million$6.3 million2024-12
Puget Sound Sage501(c)(3)2008$1.3 million$2.2 million2024-12
Sustainable Path Foundation501(c)(3)2009$180,906$568,1232024-12
Community Alliance for Global Justice501(c)(3)2006$113,670$30,0622024-12
All the Sky Foundation501(c)(3)2017$6.2 million2025-12
Don & Marlene Peters Foundation501(c)(3)2013$3,5502025-12
Illuminating Humankindness501(c)(3)2017$13,6172025-12
Intuitionship501(c)(3)2025
Stuart C Dodd Institute for Social Innovation501(c)(3)1997$12024-12
Tuki Tumarankeh501(c)(3)2017$0$02025-12

Other causes in Seattle, WA

Every nonprofit in Seattle, WA · Social science 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.