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. Marshalltown Federation of Womens Clubs

    EIN 237080337 · Headquarters: MARSHALLTOWN, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Marshalltown Feral Support Inc

    EIN 332024037 · Headquarters: Marshalltown, IA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Marshalltown Fire Fighters Assn Local No 16 Iaff

    EIN 426075740 · Headquarters: Marshalltown, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Marshalltown Football League

    EIN 237447585 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Marshalltown Garden Club

    EIN 900013965 · Headquarters: Marshallltown, IA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. Marshalltown Girls Softball Association - Mgs

    EIN 421165211 · Headquarters: Marshalltown, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Marshalltown Golf Supporters Booster Club

    EIN 851516289 · Headquarters: Marshalltown, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Marshalltown Little League

    EIN 237068753 · Headquarters: MARSHALLTOWN, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Marshalltown Lodge No 313 Loyal Order of Moose

    EIN 237172031 · Headquarters: Marshalltown, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. Marshalltown Mens Chorus

    EIN 200431682 · Headquarters: Marshalltown, IA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Marshalltown Municipal Band Inc

    EIN 813426804 · Headquarters: MARSHALLTOWN, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Marshalltown Nursing Education Fdn

    EIN 421184138 · Headquarters: MARSHALLTOWN, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Marshalltown Police Department Employees Association Inc

    EIN 264509019 · Headquarters: Marshalltown, IA, US · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  14. Marshalltown Rental Property Association

    EIN 421418874 · Headquarters: Newton, IA, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Marshalltown Rotary Foundation

    EIN 421208978 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Marshalltown Softball Association

    EIN 814917485 · Headquarters: MARSHALLTOWN, IA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Marshalltown Wrestling Academy

    EIN 331767413 · Headquarters: Marshalltown, IA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Marshalltown Ymca

    EIN 420722691 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Marshalltown YMCA-YWCA

    EIN 420681054 · Headquarters: Marshalltown, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Marshalltown Ymca-ywca Heritage Club Trust

    EIN 421281111 · Headquarters: MARSHALLTOWN, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Marshalltown Young Men's Christian Association-ywca

    EIN 421478611 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Marshalltown Youth Basketball Association

    EIN 873196408 · Headquarters: Marshalltown, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Marshalltown Youth Foundation

    EIN 421475350 · Headquarters: Marshalltown, IA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Martelle Area Senior and Community Center

    EIN 474723806 · Headquarters: Martelle, IA, US · Housing & Shelter · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  25. Martelle Tigers 2029 Baseball

    EIN 831965592 · Headquarters: Anamosa, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Martelle Tigers 2031

    EIN 844565202 · Headquarters: Anamosa, IA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Martensdale St Mary Booster Club

    EIN 421389453 · Headquarters: Martensdale, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Martensdale St Marys Parent Teacher Organization

    EIN 421187079 · Headquarters: Martensdale, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Martensdale St Marys Partners in Education

    EIN 994497122 · Headquarters: Martensdale, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Martensdale Volunteer Firefighters Association Incorporated

    EIN 810965498 · Headquarters: Martensdale, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Martensdale-st Marys Education Association

    EIN 421314237 · Headquarters: Norwalk, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Martha Ellen Tye Foundation

    EIN 421055988 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Martha Seeser Verfaillie Trust % Clinton National Bank

    EIN 426275075 · Headquarters: CLINTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Marthas House of Hope Inc

    EIN 474740881 · Headquarters: GILBERT, IA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Marthas Mission Siouxland

    EIN 992493154 · Headquarters: Sioux City, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Martial Artists for Children & Community

    EIN 611554562 · Headquarters: Ankeny, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Martin Bros Select Basketball

    EIN 842765030 · Headquarters: PARKERSBURG, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Martin D & Barbara H Rich Family Charitable Foundation

    EIN 363827049 · Headquarters: DAVENPORT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Martin Health Center Inc

    EIN 420680487 · Headquarters: CEDAR FALLS, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Martin Luther Home Corporation

    EIN 420713635 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  41. Martin Luther King Jr Living the Dream Committee

    EIN 200346968 · Headquarters: fort dodge, IA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. Martin Luther King Jr Park Neighborhood Association

    EIN 421490619 · Headquarters: Des Moines, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  43. Martin Luther King Jr Scholarship Fund Inc

    EIN 421270426 · Headquarters: Des Moines, IA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Marvin M Jorgensen Charitable Trust

    EIN 876969181 · Headquarters: URBANDALE, IA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Mary a Dodge Educational Trust First Security Bk & Trust Co Trustee

    EIN 426229261 · Headquarters: CHARLES CITY, IA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  46. Mary Ann Good Scholarship Fund Trust

    EIN 476258439 · Headquarters: BURLINGTON, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Mary Bump Memorial Foundation

    EIN 881238281 · Headquarters: BONDURANT, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Mary Catherine Hagedorn Trust

    EIN 426291418 · Headquarters: LAKE VIEW, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  49. Mary Elizabeth Day Care Center

    EIN 420698200 · Headquarters: SIOUX CITY, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Mary F Lotz Charitable Foundation

    EIN 461655476 · Headquarters: ADEL, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Mary Greeley Medical Center Auxiliary

    EIN 420861161 · Headquarters: AMES, IA, USA · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990

  52. Mary Greeley Medical Center Foundation

    EIN 237064009 · Headquarters: AMES, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Mary J Treglia Community House

    EIN 420681107 · Headquarters: SIOUX CITY, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Mary Jane Coogan Scholarship for English Achievement Trust

    EIN 276845950 · Headquarters: URBANDALE, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Mary Jo Childcare Center at Brookland Woods

    EIN 420993126 · Headquarters: IOWA CITY, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Mary K and Daniel M Kelly Family Foundation C/o Dan Kelly

    EIN 201826362 · Headquarters: DES MOINES, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Mary K Seeley Trust

    EIN 426326736 · Headquarters: BURLINGTON, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Mary Lou Salisbury Foundation

    EIN 205504801 · Headquarters: Osage, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Mary Louise Gidley Scholarship Fund

    EIN 421091743 · Headquarters: SHENANDOAH, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Mary M Westlund Family Foundation Inc

    EIN 261539179 · Headquarters: LE CLAIRE, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. Mary Nietzel Trust C/o Midwestone Bank

    EIN 426102690 · Headquarters: MUSCATINE, IA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Mary R Welsh Charitable Trust

    EIN 421189795 · Headquarters: Williamsburg, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Mary Ward & Ruth Buehler Education Trust

    EIN 826293131 · Headquarters: BURLINGTON, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Marys Choice

    EIN 800627406 · Headquarters: Sioux City, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Marys Farm Sanctuary Inc

    EIN 814749266 · Headquarters: Lone Tree, IA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Marys Helping Hands

    EIN 871813297 · Headquarters: WEST DES MOINES, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Marys Holy Voice

    EIN 873748335 · Headquarters: Cedar Rapids, IA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Marys Inn

    EIN 364768362 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Maser Family Foundation

    EIN 391901902 · Headquarters: OKOBOJI, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. Mason City & Clear Lake Electric Railroad Historical Society Inc

    EIN 421302762 · Headquarters: CLEAR LAKE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Mason City Assembly 45

    EIN 237506269 · Headquarters: Urbandale, IA, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  72. Mason City Athletic Booster Club

    EIN 421133345 · Headquarters: MASON CITY, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Mason City Chamber of Commerce

    EIN 420398820 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Mason City Chamber of Commerce Foundation

    EIN 421505507 · Headquarters: MASON CITY, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Mason City Chapter 870 Women of the Moose

    EIN 237183624 · Headquarters: Mason City, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  76. Mason City Clinic P C Trust

    EIN 421369969 · Headquarters: Mason City, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Mason City Community Housing Resource Board Inc

    EIN 421370727 · Headquarters: Mason City, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  78. Mason City Community School District 7-12 Pto

    EIN 273330215 · Headquarters: Mason City, IA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  79. Mason City Community Theatre

    EIN 237027000 · Headquarters: MASON CITY, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  80. Mason City Downtown Association

    EIN 481256121 · Headquarters: MASON CITY, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Mason City Education Association

    EIN 420932426 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Mason City Family YMCA

    EIN 420680330 · Headquarters: MASON CITY, IA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  83. Mason City Farmers Market

    EIN 334124622 · Headquarters: Mason City, IA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Mason City Foundation

    EIN 421375606 · Headquarters: MASON CITY, IA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Mason City Little League Inc

    EIN 421342767 · Headquarters: MASON CITY, IA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Mason City Lodge 1328 Loyal Order of Moose

    EIN 420386600 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Mason City Public Library Foundation Inc

    EIN 421263454 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Mason City Sister City Organization Inc

    EIN 593798987 · Headquarters: MASON CITY, IA, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Mason City Soccer Club

    EIN 465623679 · Headquarters: MASON CITY, IA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  90. Mason City Swim Club

    EIN 237369788 · Headquarters: MASON CITY, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Mason City Veterans Memorial Assoc

    EIN 371481580 · Headquarters: MASON CITY, IA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Mason City York Rite Corporation

    EIN 833097522 · Headquarters: Mason City, IA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Mason City Youth Football Association

    EIN 200098699 · Headquarters: MASON CITY, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Mason City Youth Hockey Assc Inc

    EIN 421083935 · Headquarters: MASON CITY, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Mason's Light House

    EIN 873354019 · Headquarters: GRINNELL, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Masonic Building Company

    EIN 426064835 · Headquarters: Grundy Center, IA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  97. Masonic Charitable Educational Corp

    EIN 426061108 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  98. Masonic Community Center

    EIN 421172258 · Headquarters: Belle Plaine, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Masonic Holding Corporation

    EIN 420399375 · Headquarters: MARSHALLTOWN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Masonic Service Association

    EIN 530204605 · Headquarters: Cedar Rapids, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

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