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. OPTIMIST INTERNATIONAL DBA Optimist Club of North Liberty

    EIN 237273007 · Headquarters: North Liberty, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Optimist International Dubuque IA

    EIN 426091411 · Headquarters: Dubuque, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Optimists Club of Cedar Rapids Inc

    EIN 426078628 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Optometric Foundation Inc

    EIN 510168385 · Headquarters: West Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Orab Music Booster Club

    EIN 200235491 · Headquarters: SHELDON, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Oran Fire and Ems

    EIN 474482460 · Headquarters: Fairbank, IA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Orange City 21 Foundation

    EIN 421321248 · Headquarters: Orange City, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  8. Orange City Area Health Foundation

    EIN 421408402 · Headquarters: ORANGE CITY, IA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Orange City Arts Council

    EIN 421287752 · Headquarters: ORANGE CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Orange City Christian School

    EIN 420776438 · Headquarters: Orange City, IA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Orange City Community Chest Inc

    EIN 426088398 · Headquarters: Orange City, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Orange City Community Day Care

    EIN 421257442 · Headquarters: ORANGE CITY, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Orange City Municipal Golf Assoc

    EIN 421425805 · Headquarters: ORANGE CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Orange Parent Association

    EIN 260042211 · Headquarters: Waterloo, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Orange Pride Boosters Inc

    EIN 842856734 · Headquarters: Marengo, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Orchard Place

    EIN 421463736 · Headquarters: DES MOINES, IA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Orchard Place Foundation

    EIN 421193285 · Headquarters: DES MOINES, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Orchestra Iowa Inc

    EIN 420772544 · Headquarters: CEDAR RAPIDS, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Order of Ahepa

    EIN 237566094 · Headquarters: Eldridge, IA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  20. Order of the Amaranth Inc

    EIN 237614563 · Headquarters: Ottumwa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Order of the Amaranth Inc

    EIN 421110536 · Headquarters: Ottumwa, IA, US · Crime & Legal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Order of the Amaranth Inc

    EIN 421300890 · Headquarters: Ottumwa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Order of the Amaranth Inc Supreme Council

    EIN 237455874 · Headquarters: Ottumwa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Order of the Amaranth Inc Supreme Council

    EIN 237614285 · Headquarters: Ottumwa, IA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. Order of the Amaranth Inc Supreme Council

    EIN 237614286 · Headquarters: Ottumwa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Order of the Amaranth Inc Supreme Council

    EIN 237614288 · Headquarters: Ottumwa, IA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  27. Order of the Easter Star of Iowa

    EIN 237548205 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Order of the Eastern Star

    EIN 237548477 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  29. Order of the Eastern Star of Illinois

    EIN 237185951 · Headquarters: Clinton, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Order of the Eastern Star of Illinois

    EIN 371023129 · Headquarters: Fort Madison, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Order of the Eastern Star of Iowa

    EIN 237040741 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Order of the Eastern Star of Iowa

    EIN 237134463 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Order of the Eastern Star of Iowa

    EIN 237163004 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  34. Order of the Eastern Star of Iowa

    EIN 237248120 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Order of the Eastern Star of Iowa

    EIN 237344700 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Order of the Eastern Star of Iowa

    EIN 237382788 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  37. Order of the Eastern Star of Iowa

    EIN 237548210 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  38. Order of the Eastern Star of Iowa

    EIN 237548213 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Order of the Eastern Star of Iowa

    EIN 237548215 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Order of the Eastern Star of Iowa

    EIN 237548218 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Order of the Eastern Star of Iowa

    EIN 237548219 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Order of the Eastern Star of Iowa

    EIN 237548221 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  43. Order of the Eastern Star of Iowa

    EIN 237548240 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Order of the Eastern Star of Iowa

    EIN 237548246 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Order of the Eastern Star of Iowa

    EIN 237548249 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Order of the Eastern Star of Iowa

    EIN 237548253 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  47. Order of the Eastern Star of Iowa

    EIN 237548254 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Order of the Eastern Star of Iowa

    EIN 237548270 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  49. Order of the Eastern Star of Iowa

    EIN 237548293 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Order of the Eastern Star of Iowa

    EIN 237548304 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Order of the Eastern Star of Iowa

    EIN 237548305 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  52. Order of the Eastern Star of Iowa

    EIN 237548306 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Order of the Eastern Star of Iowa

    EIN 237548311 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  54. Order of the Eastern Star of Iowa

    EIN 237548323 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  55. Order of the Eastern Star of Iowa

    EIN 237548325 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Order of the Eastern Star of Iowa

    EIN 237548333 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Order of the Eastern Star of Iowa

    EIN 237548344 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  58. Order of the Eastern Star of Iowa

    EIN 237548347 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Order of the Eastern Star of Iowa

    EIN 237548350 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Order of the Eastern Star of Iowa

    EIN 237548353 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  61. Order of the Eastern Star of Iowa

    EIN 237548363 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  62. Order of the Eastern Star of Iowa

    EIN 237548365 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Order of the Eastern Star of Iowa

    EIN 237548381 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. Order of the Eastern Star of Iowa

    EIN 237548382 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Order of the Eastern Star of Iowa

    EIN 237548393 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Order of the Eastern Star of Iowa

    EIN 237548401 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Order of the Eastern Star of Iowa

    EIN 237548403 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  68. Order of the Eastern Star of Iowa

    EIN 237548404 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Order of the Eastern Star of Iowa

    EIN 237548413 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. Order of the Eastern Star of Iowa

    EIN 237548416 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Order of the Eastern Star of Iowa

    EIN 237548417 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Order of the Eastern Star of Iowa

    EIN 237548424 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Order of the Eastern Star of Iowa

    EIN 237548426 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  74. Order of the Eastern Star of Iowa

    EIN 237548428 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Order of the Eastern Star of Iowa

    EIN 237548452 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Order of the Eastern Star of Iowa

    EIN 237548458 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  77. Order of the Eastern Star of Iowa

    EIN 237548496 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Order of the Eastern Star of Iowa

    EIN 237548505 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  79. Order of the Eastern Star of Iowa

    EIN 237548510 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Order of the Eastern Star of Iowa

    EIN 237548520 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Order of the Eastern Star of Iowa

    EIN 237548521 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  82. Order of the Eastern Star of Iowa

    EIN 237548529 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  83. Order of the Eastern Star of Iowa

    EIN 237548535 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Order of the Eastern Star of Iowa

    EIN 237548537 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Order of the Eastern Star of Iowa

    EIN 237548538 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Order of the Eastern Star of Iowa

    EIN 237548542 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Order of the Eastern Star of Iowa

    EIN 237548544 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  88. Order of the Eastern Star of Iowa

    EIN 237577070 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Order of the Eastern Star of Iowa

    EIN 420213992 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Order of the Eastern Star of Iowa

    EIN 420449878 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Order of the Eastern Star of Iowa

    EIN 420450593 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Order of the Eastern Star of Iowa

    EIN 420450594 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Order of the Eastern Star of Iowa

    EIN 420950755 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  94. Order of the Eastern Star of Iowa

    EIN 421043706 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Order of the Eastern Star of Iowa

    EIN 421049608 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Order of the Eastern Star of Iowa

    EIN 421060616 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Order of the Eastern Star of Iowa

    EIN 421062272 · Headquarters: KNOXVILLE, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  98. Order of the Eastern Star of Iowa

    EIN 421063233 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Order of the Eastern Star of Iowa

    EIN 421066470 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Order of the Eastern Star of Iowa

    EIN 421067297 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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