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. Marine Corps League

    EIN 426075625 · Headquarters: Dubuque, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Marine Corps League

    EIN 426124935 · Headquarters: DUBUQUE, IA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  3. Marine Corps League

    EIN 800766464 · Headquarters: Mitchellville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Marine Corps League

    EIN 820870689 · Headquarters: burlington, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Marine Corps League

    EIN 820871154 · Headquarters: Waverly, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Marine Corps League

    EIN 882668710 · Headquarters: BURLINGTON, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Marine Corps League

    EIN 931991846 · Headquarters: Denver, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Marine Corps League

    EIN 933365303 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Marion Alliance for Racial Equity

    EIN 873335940 · Headquarters: Marion, IA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Marion Boys Baseball

    EIN 455318533 · Headquarters: MARION, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Marion Cares Inc

    EIN 260585390 · Headquarters: MARION, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Marion Chamber Foundation

    EIN 273113197 · Headquarters: MARION, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Marion Chamber of Commerce

    EIN 270607115 · Headquarters: MARION, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Marion Columbus Club

    EIN 421459441 · Headquarters: MARION, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Marion Community Promise Foundation

    EIN 831318664 · Headquarters: MARION, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Marion County Bank Charitable Found

    EIN 472492606 · Headquarters: PELLA, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Marion County Coalition for Suicide Prevention Inc

    EIN 841862246 · Headquarters: Knoxville, IA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Marion County Community Foundation

    EIN 562529370 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Marion County Genealogical Society

    EIN 421110439 · Headquarters: Knoxville, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Marion County Historical Society

    EIN 421066795 · Headquarters: Knoxville, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Marion County Humane Society

    EIN 421284651 · Headquarters: KNOXVILLE, IA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Marion County Sportsmen Club

    EIN 421050349 · Headquarters: KNOXVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Marion County United Way

    EIN 420884706 · Headquarters: Knoxville, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Marion Custodial Association

    EIN 274372831 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Marion Economic Development Company

    EIN 421318828 · Headquarters: MARION, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Marion Education Association

    EIN 237346188 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Marion Firefighter's Association

    EIN 421334473 · Headquarters: MARION, IA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Marion Historical Museum Inc

    EIN 510145425 · Headquarters: Marion, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Marion Historical Society Inc

    EIN 474590805 · Headquarters: MARION, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Marion Independant Athletic Booster Club

    EIN 471881226 · Headquarters: Marion, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Marion Independent School Foundation and Alumni Association

    EIN 421343360 · Headquarters: MARION, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Marion Indian Youth Softball Inc

    EIN 204715014 · Headquarters: Marion, IA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  33. Marion Indians Youth Baseball Organization Inc

    EIN 203426951 · Headquarters: MARION, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Marion Jerome Foundation Inc

    EIN 421507853 · Headquarters: DECORAH, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Marion Magic Volleyball

    EIN 474419864 · Headquarters: Marion, IA, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Marion Masonic Foundation

    EIN 921407298 · Headquarters: MARION, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Marion Ministry and Outreach

    EIN 931495401 · Headquarters: Marion, IA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Marion Post 298 Bldg Corp

    EIN 426065465 · Headquarters: MARION, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Marion Public Library Foundation

    EIN 844033363 · Headquarters: MARION, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Marion Senior Living Community

    EIN 421427156 · Headquarters: MARION, IA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Marita Theisen Childcare Center

    EIN 843351733 · Headquarters: DUBUQUE, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Mark & Kathy Larson Foundation

    EIN 261613615 · Headquarters: WEST DES MOINES, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Mark & Kay Decook Charitable Founda

    EIN 421465821 · Headquarters: PELLA, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Mark and Barbara Hanawalt Charitable Trust

    EIN 826385133 · Headquarters: WAVERLY, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  45. Mark and Mary Ellen Stinski Foundation

    EIN 271247050 · Headquarters: North Liberty, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  46. Mark Egly Foundation Inc

    EIN 882036223 · Headquarters: Johnston, IA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Mark Harrison Cancer Foundation

    EIN 811706026 · Headquarters: SHELLSBURG, IA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Mark Twain P T O

    EIN 421357072 · Headquarters: Iowa City, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Marketers of Dewitt

    EIN 472261012 · Headquarters: DeWitt, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Marne Firefighter and Rescues Association Incorporated

    EIN 204956035 · Headquarters: Marne, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Maroon & White Inc

    EIN 352676844 · Headquarters: Grundy Center, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Maroon Mat Club Ii Inc

    EIN 884334730 · Headquarters: ADEL, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Maroon Mat Club Inc

    EIN 842098283 · Headquarters: ADEL, IA, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  54. Maroons Basketball Club

    EIN 931520123 · Headquarters: URBANDALE, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Maroons Track & Field Club

    EIN 333857862 · Headquarters: Clive, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Marquerite Lord Educational Trust

    EIN 421315585 · Headquarters: Ida Grove, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Marquette Action Club Inc

    EIN 300544680 · Headquarters: Marquette, IA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Marquette Foundation

    EIN 421247115 · Headquarters: West Point, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  59. Marquette Historical Society

    EIN 993641257 · Headquarters: MARQUETTE, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Marriage Encounter Support Foundation

    EIN 421252612 · Headquarters: MUSCATINE, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Marriage Encounter United Church of Christ Inc

    EIN 510204530 · Headquarters: Tipton, IA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  62. Marriage Standers Ministries

    EIN 852798116 · Headquarters: Grimes, IA, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Mars Research Inc

    EIN 450513523 · Headquarters: GILBERT, IA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Marshal F Foch Post 1655 Vfw

    EIN 420396635 · Headquarters: NEWTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  65. Marshall Alano Society Inc

    EIN 237373875 · Headquarters: Marshalltown, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Marshall Cemetery Association

    EIN 420396580 · Headquarters: Marshalltown, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Marshall County Arts and Culture Allianc Dba Arts Culture Alliance

    EIN 270096223 · Headquarters: MARSHALLTOWN, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Marshall County Chapter of the Izaak Walton League of America

    EIN 421185345 · Headquarters: Marshalltown, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Marshall County Child Care Services Inc

    EIN 420984749 · Headquarters: Marshalltown, IA, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990

  70. Marshall County Commission on Aging Inc

    EIN 421186193 · Headquarters: Marshalltown, IA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. Marshall County Community Emergency Response Team

    EIN 364797197 · Headquarters: Marshalltown, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  72. Marshall County Crime Stoppers Inc

    EIN 474260479 · Headquarters: Marshalltown, IA, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Marshall County Emergency Medical Services Association

    EIN 834053274 · Headquarters: Marshalltown, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Marshall County Veba Health Savings Trust

    EIN 852358991 · Headquarters: MARSHALLTOWN, IA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Marshall Economic Development Impact Committee Medic

    EIN 421382549 · Headquarters: MARSHALLTOWN, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Marshall Elementary School Dubuque Pto Inc

    EIN 831894212 · Headquarters: Dubuque, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Marshall Gun Club Trap & Skeet

    EIN 824264357 · Headquarters: Marshalltown, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Marshalltown Area Soccer Club

    EIN 421333072 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Marshalltown Area United Way

    EIN 420871626 · Headquarters: MARSHALLTOWN, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Marshalltown Area Youth Center

    EIN 421504633 · Headquarters: Marshalltown, IA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Marshalltown Association for Catholic Education Evangelization

    EIN 421575157 · Headquarters: Marshalltown, IA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Marshalltown Auditorium Foundation

    EIN 421194604 · Headquarters: Marshalltown, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Marshalltown Board of Realtors

    EIN 421077441 · Headquarters: MARSHALLTOWN, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  84. Marshalltown Central Business

    EIN 420925825 · Headquarters: MARSHALLTOWN, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  85. Marshalltown Central Business District Inc

    EIN 460575931 · Headquarters: MARSHALLTOWN, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Marshalltown Chamber of Commerce

    EIN 420283255 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Marshalltown Chapter 71 Women of the Moose

    EIN 237520809 · Headquarters: marshalltown, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  88. Marshalltown Christian School

    EIN 203857553 · Headquarters: Marshalltown, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Marshalltown Columbus Hall Inc

    EIN 200649345 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  90. Marshalltown Combined Vfw American Legion Honor Guard

    EIN 923979880 · Headquarters: Marshalltown, IA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Marshalltown Community College Foundation

    EIN 426096518 · Headquarters: Marshalltown, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Marshalltown Community Concert Association

    EIN 421148574 · Headquarters: MARSHALLTOWN, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Marshalltown Community School District Foundation

    EIN 421463124 · Headquarters: MARSHALLTOWN, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990

  94. Marshalltown Community Theatre

    EIN 237114691 · Headquarters: MARSHALLTOWN, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Marshalltown Company Employee Benefit Trust

    EIN 421148350 · Headquarters: MARSHALLTOWN, IA, USA · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990

  96. Marshalltown Development Foundation

    EIN 421493686 · Headquarters: Marshalltown, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. Marshalltown Education Assn

    EIN 237106723 · Headquarters: Des Moines, IA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Marshalltown Education Partnership Inc

    EIN 510649214 · Headquarters: MARSHALLTOWN, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Marshalltown Elks Lodge #312

    EIN 420136085 · Headquarters: Marshalltown, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Marshalltown Farmers Market

    EIN 825499867 · Headquarters: Marshalltown, IA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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