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Data / Nonprofits / Iowa / Sioux City / Philanthropy, voluntarism and grantmaking foundations

Philanthropy, voluntarism and grantmaking foundations nonprofits in Sioux City, IA: 26 registered with the IRS

26 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Sioux City, IA, 26 of them 501(c)(3) charities; the 6 that report revenue took in $9.7 million. The largest by revenue: Siouxland Community Foundation ($6.2 million), United Way of Siouxland ($3.2 million), Catholic Womens League of Sioux City Iowa Inc ($228,686).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Siouxland Community Foundation501(c)(3)1989$6.2 million$50.8 million2024-12
United Way of Siouxland501(c)(3)1964$3.2 million$7.3 million2025-12
Catholic Womens League of Sioux City Iowa Inc501(c)(3)2007$228,686$403,0912025-12
Ancient and Effervescent Order Ofthe Little Yellow Dog501(c)(3)2007$90,499$162,1592025-12
Clara Latham Memorial Park Trust501(c)(3)2005$70,025$46,0972025-12
Sertoma Inc501(c)(3)1964$13,635$39,8982025-06
A H N Inc501(c)(3)2002$0$02025-12
Berenstein Family Foundation501(c)(3)1997$225,8512025-12
Bomgaars Family Foundation501(c)(3)2022$5.6 million2024-12
Catherine Birzle Education Trust501(c)(3)2005$498,9072025-12
Chesterman Family Foundation501(c)(3)2001$9.3 million2025-12
Clifford E Tufty and Jean V Tufty Foundation501(c)(3)1998$22024-12
Diane and Brent Rosenthal Family Foundation501(c)(3)2005$290,4472025-11
Gilchrist Foundation501(c)(3)1999$34.4 million2025-12
Greenberg Foundation501(c)(3)2009$449,3732024-12
Harold L Darner Trust501(c)(3)1999$401,9562025-12
Kol Tov Foundation501(c)(3)2015$728,7862025-12
Lucile@latta Charitable Trust C/o the Security National Bank of501(c)(3)1997$3.8 million2025-12
Michael L and Margie A Bennett Foundation501(c)(3)2013$240,1672025-12
Perley Family Foundation501(c)(3)2022$606,9632025-12
Ronald B and Joan B Krage Foundation501(c)(3)2001$371,5062025-12
Sioux City Professional Firefighter S Local 7 Charitable Foundation501(c)(3)2026
Siouxland Philanthropy501(c)(3)2021$0$02025-12
Siouxland Youth Foundation501(c)(3)2000$153,9202025-12
Wakefield Community Foundation501(c)(3)1994$0$02025-12
Wolpert Family Foundation501(c)(3)1995$462,1292025-12

Other causes in Sioux City, IA

Every nonprofit in Sioux City, IA · Philanthropy, voluntarism and grantmaking foundations 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.