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Sioux City, Iowa

Amateur sports nonprofits in Sioux City, IA

20 tax-exempt amateur sports nonprofits based in Sioux City, from IRS data.

By type

Amateur sports20Youth development9Recreation and clubs5PTA and PTO2Child care2Children's and youth services1Arts education1Camps1

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Amateur sports competitions

Cheer Sux

Sioux City, IA 51104

Tax-exempt since 2024 · EIN 99-4245851

Baseball and softball

Floyd Youth Softball

Sioux City, IA 51106

Tax-exempt since 2024 · EIN 83-0687056

Amateur sports competitions

Saders Inc

Sioux City, IA 51102

Tax-exempt since 2014 · EIN 30-0086819

Amateur sports

Sioux City Mariners

Sioux City, IA 51104

Tax-exempt since 2018 · EIN 83-1941918

Baseball and softball

Sioux City Moons

Sioux City, IA 51108

Tax-exempt since 2023 · EIN 93-4232961

Amateur sports

Stars Booster Club

Sioux City, IA 51108

Tax-exempt since 2023 · EIN 93-1742734

Baseball and softball

Stolen Bases

Sioux City, IA 51106

Tax-exempt since 2023 · EIN 93-2634855

Also in Sioux City

Licensed child care and after-school programs in Sioux City · Iowa program rules

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Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.