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Data / Nonprofits / Nebraska / S Sioux City

Nonprofits in S Sioux City, NE: 63 registered with the IRS

63 nonprofits are registered with the IRS in S Sioux City, NE, 50 of them 501(c)(3) charities; the 21 that report revenue took in $14.4 million. The largest by revenue: Heartland Counseling Services Inc ($6.5 million), Norm Waitt Sr Young Mens Christian Association ($4.2 million), Siouxland Tennis Association Inc ($747,182). Most common causes: religion-related (5), human services (5), recreation and sports (4).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Heartland Counseling Services IncMental health and crisis intervention501(c)(3)1994$6.5 million$6.8 million2025-06
Norm Waitt Sr Young Mens Christian AssociationHuman services501(c)(3)1955$4.2 million$12 million2025-12
Siouxland Tennis Association IncRecreation and sports501(c)(3)2015$747,182$3.3 million2025-12
Leaven of the Immaculate Heart of Mary LihmReligion-related501(c)(3)2011$367,856$400,1532024-12
Dakota County Agricultural Society IncRecreation and sports501(c)(3)2000$343,047$956,5292025-10
Unity in ActionCivil rights, social action and advocacy501(c)(3)2015$338,030$82,6822025-12
South Sioux City Convention and Visitors Bureau501(c)(6)1995$284,466$872,9662025-06
South Sioux City Community Foundation Inc501(c)(3)1986$273,395$441,4112025-09
South Sioux City Chamber of Commerce501(c)(6)1949$271,641$570,4522024-12
Siouxland Freedom Park IncRecreation and sports501(c)(3)2011$217,748$417,6052025-12
Hideaway Acres Homeowners Association IncHousing and shelter501(c)(4)2020$192,591$402,8712025-12
Northeast Nebraska Senior Citizens Inc501(c)(3)1983$135,230$724,1332026-06
Primera Iglesia BautistaReligion-related501(c)(3)1970$114,100$863,6342025-12
American Legion501(c)(19)1946$86,507$227,2352025-12
Knights of Columbus501(c)(8)1940$84,666$395,0992025-12
Cardinal Educational Foundation IncEducation501(c)(3)2021$67,854$496,3872024-12
Islamic Center of SiouxlandCommunity improvement and capacity building501(c)(3)1996$66,085$457,3712025-12
Fraternal Order of Eagles501(c)(8)1991$59,165$108,1222025-05
Wat Buddharam of Siouxland IncReligion-related501(c)(3)2013$36,333$244,9182024-12
South Sioux City School Athletic Booster AssociationEducation501(c)(3)1995$21,225$100,7792025-12
Cardinal Development Inc501(c)(6)1996$1,362$210,3622025-12
American Legion Auxiliary501(c)(19)1946$0$02025-12
Catholic Daughters of the Americas501(c)(3)1946
Coleridge Family Church501(c)(3)1964
Crossroads Evangelical Church501(c)(3)1969
Dakota County Amateur Radio ClubPublic safety, disaster preparedness and relief501(c)(3)2017$0$02025-12
Dakota County K-9 FoundationPublic safety, disaster preparedness and relief501(c)(3)2013$0$02025-12
East African Community of NebraskaArts, culture and humanities501(c)(3)2022$0$02023-12
Equity in Ai Institute501(c)(3)1980$0$02026-04
First Lutheran Church501(c)(3)1988
Fraternal Order of Eagles501(c)(8)1991$0$02025-05
Glad Tidings Lighthouse501(c)(3)1977
Great West Casualty Company FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2024$117,1112024-12
Great West CharitiesHuman services501(c)(3)1999$0$02024-12
Helping Paws Pawzitive ChangeAnimal-related501(c)(3)2025
Hope Lutheran Church501(c)(3)1941
International Order of the Rainbow Girls501(c)(3)1942$0$02024-12
Keep Northeast Nebraska BeautifulEnvironment501(c)(3)2003$0$02025-12
Living Water Evangelical Free Church of South Sioux City Nebrask501(c)(3)1965
Ministerio Pentecostes Jesucristo El Buen Pastor IncReligion-related501(c)(3)2025
Movimiento Familiar Cristiano Catolico USAHuman services501(c)(3)2017$0$02025-07
National Active and Retired Federal Employees Association501(c)(5)1967$0$02025-12
Nueva Vida501(c)(3)1965
Optimist International501(c)(4)1958$0$02025-09
Order of the Eastern Star of Nebraska501(c)(8)1942$0$02025-12
Path of HopeInternational, foreign affairs and national security501(c)(3)2020$0$02024-12
River Hills Church of the Assemblies of God501(c)(3)1964
Siouxland Gospel Center501(c)(3)1986
Siouxland Special Athletes Booster ClubRecreation and sports501(c)(3)2007$0$02025-12
Somali Community of Siouxland IncHuman services501(c)(3)2023$0$02025-12
South Sioux City Library Foundation IncEducation501(c)(3)2003$0$02025-09
South Sioux City Police Officers Association IncEmployment501(c)(5)2020$0$02024-12
South Sioux City Soccer Alumni FoundationYouth development501(c)(3)2025
South Sioux City Volunteer Fire DepartmentPublic safety, disaster preparedness and relief501(c)(3)2022$60,9232025-12
South Sioux Music BoostersEducation501(c)(3)2025
Sweet Like Honey IncHuman services501(c)(3)2022$0$02025-12
Taleh Heritage Foundation Inc501(c)(3)2020$0$02026-01
Teammates Mentoring Program501(c)(3)2003
The Midwest Mutual AllianceCivil rights, social action and advocacy501(c)(3)2026
Toastmasters International501(c)(3)1945$0$02025-12
Tri-State Christian Church501(c)(3)1987
White Stone IncReligion-related501(c)(3)2014
Wind Therapy RideHealth care501(c)(3)2025

By cause in S Sioux City, NE

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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.