Nonprofits in South Dakota

Nonprofits in South Dakota. Browse 9,038 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. American Legion

    EIN 466012638 · Headquarters: Astoria, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Legion

    EIN 466013191 · Headquarters: brentford, SD, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. American Legion

    EIN 466013370 · Headquarters: Clark, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Legion

    EIN 466013372 · Headquarters: Presho, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  5. American Legion

    EIN 466013531 · Headquarters: Vermillion, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  6. American Legion

    EIN 466013644 · Headquarters: Canton, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. American Legion

    EIN 466013875 · Headquarters: CORSICA, SD, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  8. American Legion

    EIN 466013961 · Headquarters: Chancellor, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. American Legion

    EIN 466013995 · Headquarters: Houghton, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. American Legion

    EIN 466014511 · Headquarters: Bryant, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  11. American Legion

    EIN 466014600 · Headquarters: Alpena, SD, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  12. American Legion

    EIN 466014602 · Headquarters: Arlington, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Legion

    EIN 466014604 · Headquarters: ARMOUR, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Legion

    EIN 466014606 · Headquarters: Avon, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. American Legion

    EIN 466014611 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Legion

    EIN 466014618 · Headquarters: Conde, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Legion

    EIN 466014620 · Headquarters: DAVIS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Legion

    EIN 466014623 · Headquarters: De Smet, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. American Legion

    EIN 466014646 · Headquarters: Hayti, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Legion

    EIN 466014649 · Headquarters: Arlington, SD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. American Legion

    EIN 466014652 · Headquarters: Hudson, SD, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. American Legion

    EIN 466014656 · Headquarters: Java, SD, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  23. American Legion

    EIN 466014658 · Headquarters: Kimball, SD, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. American Legion

    EIN 466014659 · Headquarters: LAKE ANDES, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  25. American Legion

    EIN 466014668 · Headquarters: Aberdeen, SD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. American Legion

    EIN 466014670 · Headquarters: Menno, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  27. American Legion

    EIN 466014677 · Headquarters: Oldham, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. American Legion

    EIN 466014682 · Headquarters: Platte, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Legion

    EIN 466014691 · Headquarters: Selby, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. American Legion

    EIN 466014701 · Headquarters: Stratford, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. American Legion

    EIN 466014702 · Headquarters: Tabor, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Legion

    EIN 466014704 · Headquarters: Lemmon, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. American Legion

    EIN 466014705 · Headquarters: Timber Lake, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Legion

    EIN 466014712 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. American Legion

    EIN 466014721 · Headquarters: Willow Lake, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. American Legion

    EIN 466014814 · Headquarters: Aurora, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Legion

    EIN 466014819 · Headquarters: Centerville, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. American Legion

    EIN 466014823 · Headquarters: Clear Lake, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Legion

    EIN 466014830 · Headquarters: Elkton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Legion

    EIN 466014838 · Headquarters: Mitchell, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Legion

    EIN 466014839 · Headquarters: gayville, SD, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  42. American Legion

    EIN 466014840 · Headquarters: GEDDES, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Legion

    EIN 466014842 · Headquarters: Highmore, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. American Legion

    EIN 466014860 · Headquarters: Vermillion, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. American Legion

    EIN 466014862 · Headquarters: VIBORG, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Legion

    EIN 466015087 · Headquarters: Yankton, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Legion

    EIN 466015096 · Headquarters: BRITTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Legion

    EIN 466015100 · Headquarters: VIVIAN, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. American Legion

    EIN 466015207 · Headquarters: WILMOT, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. American Legion

    EIN 466015280 · Headquarters: Kadoka, SD, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. American Legion

    EIN 466015281 · Headquarters: Bruce, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Legion

    EIN 466015290 · Headquarters: Hurley, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Legion

    EIN 466015297 · Headquarters: Warner, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Legion

    EIN 466015344 · Headquarters: Valley Springs, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Legion

    EIN 466015347 · Headquarters: Kadoka, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Legion

    EIN 466015353 · Headquarters: WHITE LAKE, SD, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  57. American Legion

    EIN 466015360 · Headquarters: Badger, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Legion

    EIN 466015364 · Headquarters: DALLAS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Legion

    EIN 466015368 · Headquarters: Garretson, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Legion

    EIN 466015370 · Headquarters: HERRICK, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Legion

    EIN 466015374 · Headquarters: Nunda, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Legion

    EIN 466015375 · Headquarters: Stockholm, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Legion

    EIN 466015376 · Headquarters: TYNDALL, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Legion

    EIN 466015443 · Headquarters: Custer, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Legion

    EIN 466015444 · Headquarters: Elk Point, SD, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  66. American Legion

    EIN 466015445 · Headquarters: Emery, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Legion

    EIN 466015469 · Headquarters: Clark, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Legion

    EIN 466015495 · Headquarters: Castlewood, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  69. American Legion

    EIN 466016080 · Headquarters: Plankinton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Legion

    EIN 466016082 · Headquarters: Springfield, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Legion

    EIN 466016237 · Headquarters: BELLE FOURCHE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion

    EIN 466017976 · Headquarters: Madison, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Legion

    EIN 466019618 · Headquarters: Bradley, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Legion

    EIN 466019620 · Headquarters: Canova, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Legion

    EIN 466019621 · Headquarters: Sioux Falls, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Legion

    EIN 466019626 · Headquarters: Iroquois, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Legion

    EIN 466019638 · Headquarters: Mission, SD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  78. American Legion

    EIN 466019640 · Headquarters: VOLGA, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Legion

    EIN 466019641 · Headquarters: WENTWORTH, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Legion

    EIN 466019644 · Headquarters: Wood, SD, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  81. American Legion

    EIN 466019645 · Headquarters: Woonsocket, SD, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 466020077 · Headquarters: Letcher, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. American Legion

    EIN 710873971 · Headquarters: WATERTOWN, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 830474737 · Headquarters: SIOUX FALLS, SD, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  85. American Legion

    EIN 851394907 · Headquarters: SIOUX fALLS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Legion 0258

    EIN 466012756 · Headquarters: ANDOVER, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Legion 180 Read-veflin

    EIN 466014642 · Headquarters: New Effington, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Legion 199 Heath-headley

    EIN 237085887 · Headquarters: Garden City, SD, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  89. American Legion 229 Gertje Vanlith

    EIN 460322497 · Headquarters: BIG STONE CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. American Legion 307 Thompson- Schsodt

    EIN 237152953 · Headquarters: Renner, SD, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  91. American Legion 308 Legion of Veterans

    EIN 310953108 · Headquarters: Eagle Butte, SD, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. American Legion 50 Otto-quande-renville

    EIN 460218663 · Headquarters: SISSETON, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. American Legion 84 Raymond Hart

    EIN 466019625 · Headquarters: Hitchcock, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  94. American Legion Auxiliary

    EIN 010916554 · Headquarters: STICKNEY, SD, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  95. American Legion Auxiliary

    EIN 113832821 · Headquarters: WHITE LAKE, SD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. American Legion Auxiliary

    EIN 237009178 · Headquarters: Rapid City, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Legion Auxiliary

    EIN 237024207 · Headquarters: Howard, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Legion Auxiliary

    EIN 237033025 · Headquarters: Pollock, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  99. American Legion Auxiliary

    EIN 237092995 · Headquarters: HERMOSA, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Legion Auxiliary

    EIN 237118179 · Headquarters: Gary, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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