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

  1. Silver Springs Golf & Country Club

    EIN 421405241 · Headquarters: OSSIAN, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Simon Estes Foundation

    EIN 421525276 · Headquarters: ANKENY, IA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Simon Says Shoes

    EIN 332521277 · Headquarters: MASON CITY, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Simple Blessings

    EIN 333087303 · Headquarters: Ellston, IA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Simple Life Inc

    EIN 473280791 · Headquarters: SIOUX CITY, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Simple Skills Inc

    EIN 274344368 · Headquarters: Iowa City, IA, US · Housing & Shelter · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  7. Simply Grace

    EIN 263688157 · Headquarters: Sioux Center, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Simpson College

    EIN 420680389 · Headquarters: Indianola, Iowa, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Simpson Memorial Home Inc

    EIN 420950871 · Headquarters: WEST LIBERTY, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Sin Central Inc

    EIN 453211004 · Headquarters: Adel, IA, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  11. Sinclair Family Foundation

    EIN 843951212 · Headquarters: MELROSE, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Sindlinger Family Foundation Inc

    EIN 471308181 · Headquarters: CHARLES CITY, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Sing Me to Heaven Foundation

    EIN 452232017 · Headquarters: La Porte City, IA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Singing Cedars School Inc

    EIN 273665407 · Headquarters: FAIRFIELD, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Single Moms in Loving Environment

    EIN 811071242 · Headquarters: Woden, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Single Parent Provision

    EIN 465299868 · Headquarters: WEST DES MOINES, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Singles Again Inc

    EIN 510151102 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Sino Us Friendship House

    EIN 931352651 · Headquarters: MUSCATINE, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Sino-us Friendship Center Inc

    EIN 844575447 · Headquarters: MUSCATINE, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Sioux Center Athletic Boosters Inc

    EIN 261082831 · Headquarters: SIOUX CENTER, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Sioux Center Chamber of Commerce

    EIN 426065836 · Headquarters: SIOUX CENTER, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Sioux Center Christian School

    EIN 420819318 · Headquarters: SIOUX CENTER, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Sioux Center Christian School

    EIN 824880376 · Headquarters: Sioux Center, IA, United States · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Sioux Center Community Foundation

    EIN 421465918 · Headquarters: SIOUX CENTER, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Sioux Center Community School Education Association

    EIN 274416632 · Headquarters: SIOUX CITY, IA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  26. Sioux Center Education Association Foundation

    EIN 742974374 · Headquarters: Sioux Center, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Sioux Center Education Association Sioux Center Community High School

    EIN 421089530 · Headquarters: Sioux City, IA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  28. Sioux Center Ffa Alumni

    EIN 814674861 · Headquarters: SIOUX CENTER, IA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Sioux Center Fire Fighter Assn

    EIN 421532624 · Headquarters: SIOUX CENTER, IA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Sioux Center Health

    EIN 420796764 · Headquarters: Sioux Center, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Sioux Center Music Boosters Inc

    EIN 421507064 · Headquarters: SIOUX CENTER, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Sioux Center Seahawks Inc

    EIN 920742996 · Headquarters: Sioux Center, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Sioux Central Wrestling Club

    EIN 332048660 · Headquarters: Sioux Rapids, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Sioux City Chamber Music Association

    EIN 421077538 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Sioux City Community Assistance

    EIN 844390572 · Headquarters: SIOUX CITY, IA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sioux City Community Theater

    EIN 426089353 · Headquarters: SIOUX CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Sioux City Concert Course

    EIN 426058634 · Headquarters: SIOUX CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990

  38. Sioux City Country Club

    EIN 420527395 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Sioux City Dental Society

    EIN 420802621 · Headquarters: SIOUX CITY, IA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  40. Sioux City Education Association

    EIN 420940947 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Sioux City Educational Support Personnel Association

    EIN 421373836 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Sioux City Fastpitch Softball Association

    EIN 421240510 · Headquarters: Sioux City, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Sioux City Fencing Club Inc

    EIN 205630630 · Headquarters: Hinton, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Sioux City Fire & Rescue Historical Society

    EIN 300659907 · Headquarters: Sioux City, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Sioux City Future Stars

    EIN 834067698 · Headquarters: SIOUX CITY, IA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Sioux City Futures

    EIN 900850270 · Headquarters: Moville, IA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  47. Sioux City Garden Club

    EIN 421219280 · Headquarters: Sioux City, IA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Sioux City Growth Organization Inc

    EIN 810624742 · Headquarters: SIOUX CITY, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Sioux City Heritage Trolley Association

    EIN 830592153 · Headquarters: SIOUX CITY, IA, US · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Sioux City Housing Trust Fund Inc

    EIN 261274244 · Headquarters: SIOUX CITY, IA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Sioux City Iowa Joint Apprenticeship & Training Trust

    EIN 462902862 · Headquarters: SERGEANT BLUFF, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Sioux City Jayces

    EIN 421108193 · Headquarters: SIOUX CITY, IA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. Sioux City Jewish Cemetery Association

    EIN 421381716 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Sioux City Judo and Jujitsu

    EIN 993466340 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Sioux City Lewis & Clark Association

    EIN 020572681 · Headquarters: SERGEANT BLUFF, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Sioux City Lewis & Clark Interpretive Center

    EIN 020572695 · Headquarters: SIOUX CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Sioux City Mariners

    EIN 831941918 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Sioux City Minor League Baseball Foundation

    EIN 272967436 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sioux City Moons

    EIN 934232961 · Headquarters: Sioux City, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Sioux City Museum & Historical Association

    EIN 420863053 · Headquarters: SIOUX CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Sioux City Neighborhood Network

    EIN 421410976 · Headquarters: SIOUX CITY, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  62. Sioux City Newspaper Guild Local 37123

    EIN 421294384 · Headquarters: SIOUX CITY, IA, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  63. Sioux City Parks and Recreation Foundation Inc

    EIN 474237541 · Headquarters: Sioux City, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Sioux City Police Officers Associat Ion Friends

    EIN 414728133 · Headquarters: Sioux City, IA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sioux City Police Officers Association

    EIN 426057343 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Sioux City Police Officers Burial Fund

    EIN 421144400 · Headquarters: SIOUX CITY, IA, USA · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  67. Sioux City Public Library Foundation

    EIN 421261668 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Sioux City Public School Foundation

    EIN 262524675 · Headquarters: Sioux City, IA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Sioux City Regional Convention and Visitors Bureau

    EIN 844822910 · Headquarters: SIOUX CITY, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Sioux City Rotary Club Foundation Inc

    EIN 421508358 · Headquarters: Sioux City, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Sioux City Scottish Rite Building Preservation Corporation

    EIN 260326562 · Headquarters: Sioux City, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Sioux City Symphony Orchestra

    EIN 426006580 · Headquarters: SIOUX CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Sioux City Tabletop Gamers

    EIN 863265613 · Headquarters: Sioux CIty, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Sioux City Westside Connection

    EIN 473400856 · Headquarters: SIOUX CITY, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Sioux City Westside Little Lea Westside Little League

    EIN 421413422 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. Sioux City Womans Club

    EIN 426064587 · Headquarters: Sioux City, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  77. Sioux City Young Ambassadors Inc

    EIN 391881065 · Headquarters: Sioux City, IA, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  78. Sioux County Conservation Foundation

    EIN 465642613 · Headquarters: HAWARDEN, IA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Sioux County Historical Society

    EIN 237090007 · Headquarters: ORANGE CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Sioux County Oratorio Chorus Inc

    EIN 421309262 · Headquarters: Orange City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sioux County Pork Producers Association

    EIN 510159324 · Headquarters: Hawarden, IA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Sioux County Sportsmens Club

    EIN 421466440 · Headquarters: SIOUX CENTER, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Sioux County Trails Council

    EIN 472517246 · Headquarters: Sioux Center, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Sioux County Youth Fair Assoc

    EIN 352410326 · Headquarters: SIOUX CENTER, IA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Sioux Golf & Country Club

    EIN 420671782 · Headquarters: ALTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Sioux Landmark Corporation

    EIN 421428436 · Headquarters: Sioux City, IA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  87. Sioux Rapids 2000 Inc

    EIN 391873376 · Headquarters: Sioux Rapids, IA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Sioux Rapids Alta Association Usbc

    EIN 841692619 · Headquarters: ALTA, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Sioux Rapids Area Historical Association

    EIN 141948534 · Headquarters: SIOUX RAPIDS, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Sioux Rapids Fire Fighters Association Incorporated

    EIN 263294241 · Headquarters: SIOUX RAPIDS, IA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Sioux Rapids Model Railroaders

    EIN 852743156 · Headquarters: Sioux Rapids, IA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  92. Sioux Rapids Retirement Homes

    EIN 421082319 · Headquarters: Algona, IA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Sioux Rapids Teachers Association

    EIN 237099813 · Headquarters: Sioux Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Sioux Rivers Resource Conservation and Development Inc

    EIN 421475128 · Headquarters: SGT BLUFF, IA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  95. Sioux Union Missionary Home

    EIN 810772180 · Headquarters: Orange City, IA, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. Sioux Valley Appaloosa Club Inc

    EIN 421310035 · Headquarters: Milford, IA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  97. Sioux Valley Chapter of the American Orff- Schulwerk

    EIN 421281480 · Headquarters: Spencer, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sioux Valley Community Credit Union

    EIN 420837840 · Headquarters: SIOUX CITY, IA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Sioux Valley Sports Club Inc

    EIN 471087934 · Headquarters: Anthon, IA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Sioux-lakes Emergency Medical Services Association

    EIN 421055715 · Headquarters: Primghar, IA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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