Nonprofits in Iowa
Nonprofits in Iowa. Browse 36,116 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Siouxland Adaptive Sports Inc
EIN 831884952 · Headquarters: SIOUX CENTER, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Siouxland Aging Services Inc
EIN 421335630 · Headquarters: SIOUX CITY, IA, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990
- Siouxland Agriculture in the Classr
EIN 464562480 · Headquarters: MOVILLE, IA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Siouxland All-america Band
EIN 421445513 · Headquarters: sioux city, IA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Siouxland Artists Inc
EIN 743237925 · Headquarters: Sioux City, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Cares About Substance Abuse
EIN 421331282 · Headquarters: SIOUX CITY, IA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990
- Siouxland Catholic Radio 88.1 FM
EIN 421516853 · Headquarters: Sioux City, Iowa, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Chamber Foundation
EIN 421074273 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Chamber of Commerce
EIN 421229237 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Chapter
EIN 421273232 · Headquarters: Sioux City, IA, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Siouxland Chapter of the Society of Human Resources Manager
EIN 421211841 · Headquarters: Sioux City, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Chapter Piano Technicians Guild 511
EIN 270428379 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Christian Booster Club Inc
EIN 880524226 · Headquarters: SIOUX CITY, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Christian School
EIN 201275708 · Headquarters: SIOUX CITY, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Coalition Against Human Trafficking
EIN 352532486 · Headquarters: Sioux City, IA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Coalition to End Homelessness
EIN 263310954 · Headquarters: SIOUX CITY, IA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Community Blood Bank
EIN 420929863 · Headquarters: DES MOINES, IA, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990
- Siouxland Community Foundation
EIN 421323904 · Headquarters: SIOUX CITY, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Community Health Center
EIN 421374894 · Headquarters: Sioux City, IA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Community Health Foundation
EIN 421411570 · Headquarters: SIOUX CITY, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Community Potluck Coaliti On
EIN 412611739 · Headquarters: Sioux City, IA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Community Soup Kitchen
EIN 421290504 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Siouxland Construction Alliance
EIN 420503240 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Siouxland Critical Incident Stress Management Team
EIN 320826158 · Headquarters: Cherokee, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Cyclists Inc
EIN 205152295 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Economic Development Corporation
EIN 421150060 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Expo Center
EIN 822809847 · Headquarters: SIOUX CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Foster Closet
EIN 871432192 · Headquarters: Sioux City, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Gem & Mineral Society
EIN 421344050 · Headquarters: Sioux City, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Golf Charities Inc
EIN 200032423 · Headquarters: sioux city, IA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Siouxland Habitat for Humanity
EIN 421388519 · Headquarters: Sioux City, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Heritage Foundation
EIN 421516734 · Headquarters: SIOUX CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Siouxland Historical Railroad Assoc
EIN 421230863 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Hog Chapter Inc
EIN 900178102 · Headquarters: SIOUX CITY, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Siouxland Human Investment Partnership
EIN 421495836 · Headquarters: SIOUX CITY, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Humane Society Inc
EIN 426000336 · Headquarters: SIOUX CITY, IA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Siouxland Huskers
EIN 452671978 · Headquarters: Lawton, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Siouxland Informational Group for the Blind
EIN 421469176 · Headquarters: Sioux City, IA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Siouxland Institute of Film Inc
EIN 453659637 · Headquarters: SIOUX CITY, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Intergroup
EIN 421524425 · Headquarters: SIOUX CITY, IA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Junior Darts Inc
EIN 992140874 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Lean Consortium
EIN 812176379 · Headquarters: Rock Valley, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Lutherns in Mission & Ministry
EIN 822312358 · Headquarters: Sioux City, IA, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Siouxland Marathon Inc
EIN 200559433 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Siouxland Master Chorale
EIN 421215956 · Headquarters: Sioux City, IA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Siouxland Medical Education Foundation Inc
EIN 421036971 · Headquarters: SIOUX CITY, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Mental Health Services Inc
EIN 426122297 · Headquarters: SIOUX CITY, IA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Officials Association
EIN 421531688 · Headquarters: Sioux City, IA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Siouxland Pace Inc
EIN 261120134 · Headquarters: SIOUX CITY, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Paramedics Inc
EIN 421185707 · Headquarters: Sioux City, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Siouxland Paw Prints Rescue
EIN 421766287 · Headquarters: SIOUX CITY, IA, USA · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Siouxland Philanthropy
EIN 843875229 · Headquarters: SIOUX CITY, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Pickleball Association
EIN 851322882 · Headquarters: Sioux City, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Siouxland Rental Association Inc
EIN 421252207 · Headquarters: Sioux City, IA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Siouxland Right to Life
EIN 421202844 · Headquarters: Sioux City, IA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Siouxland Robotics Club
EIN 833819269 · Headquarters: Sioux City, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Safety Company
EIN 384050802 · Headquarters: SIOUX CITY, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Samplers Quilt Guild Inc
EIN 421328547 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Senior Center
EIN 420984100 · Headquarters: SIOUX CITY, IA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Siouxland Sharks Swim Club Inc
EIN 237043868 · Headquarters: Sioux City, IA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Siouxland Sharks Swimming Club Inc
EIN 812309178 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Siouxland Shooters
EIN 800857017 · Headquarters: Moville, IA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Siouxland Singles
EIN 300049635 · Headquarters: Sioux City, IA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Siouxland Ski Club Inc
EIN 421066380 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Siouxland Soccer Foundation
EIN 421380666 · Headquarters: Sioux City, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Soccer Officials Assoc
EIN 800322356 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Siouxland Sports Academy
EIN 991079874 · Headquarters: SIOUX CITY, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Sports and Cultural Events Congress
EIN 421387591 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Siouxland Spouses Behind the Shield
EIN 813682331 · Headquarters: SIOUX CITY, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Tanzania Educational Medical Ministries
EIN 391887658 · Headquarters: SIOUX CITY, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Trails Foundation
EIN 200463001 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Underwater Search and Recovery Association Inc
EIN 421164966 · Headquarters: Sioux City, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Siouxland Venture Initiatives
EIN 853506867 · Headquarters: Sioux City, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siouxland Wrestling Academy
EIN 823078752 · Headquarters: SIOUX CITY, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Siouxland Youth Athletics
EIN 421167679 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxland Youth Chorus Inc
EIN 421362896 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Siouxland Youth For Christ
EIN 421108779 · Headquarters: Sioux City, IA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Youth Foundation
EIN 421497268 · Headquarters: SIOUX CITY, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Siouxland Youth Golf Association
EIN 465439327 · Headquarters: Sioux City, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Youth Hockey Association
EIN 237152878 · Headquarters: SIOUX CITY, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siouxland Youth Pool League
EIN 871278935 · Headquarters: SIOUX CITY, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Siouxlands Airshow
EIN 421506686 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Siouxperman
EIN 474494703 · Headquarters: Sioux Center, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siren Ship Corporation
EIN 920287761 · Headquarters: Davenport, IA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sirk Family Foundation
EIN 366080222 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sister Cities Association of Marshalltown Inc
EIN 421361125 · Headquarters: Marshalltown, IA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sister Joyce Blum Book
EIN 383934784 · Headquarters: PANAMA, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sister Life Ministries
EIN 825246831 · Headquarters: Cedar Rapids, IA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sisters in Crime - Iowa
EIN 272787212 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sisters of the Pbvm Dougherty
EIN 421393423 · Headquarters: DOUGHERTY, IA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sisu Panama Scholastic Foundation
EIN 270349913 · Headquarters: Cedar Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Sita Foundation
EIN 800482770 · Headquarters: Duncombe, IA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Site for Smiles and Smarts Inc
EIN 812318530 · Headquarters: CLIVE, IA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sittig Foundation Inc
EIN 861411967 · Headquarters: GRINNELL, IA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sivyer Salaried Voluntary Employees Beneficiary Association Trust
EIN 510167417 · Headquarters: Bettendorf, IA, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Six Degrees of Separation-removing Barriers for Education
EIN 452579124 · Headquarters: Des Moines, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sixty Born Association in the Americas Inc
EIN 823427032 · Headquarters: DES MOINES, IA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sixty Plus Nutrition Agency Inc
EIN 421015510 · Headquarters: Lake View, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skate Dsm
EIN 832240726 · Headquarters: DES MOINES, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ski Bellevue Waterski Show Team Association
EIN 463556193 · Headquarters: BELLEVUE, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N