Important dates for 2026 Missouri Primary Election

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Important dates for 2026 Missouri Primary Election

There may be additional rules or exceptions to the deadlines shown. Please see voting information below for more details.

Registering to Vote

Online applications must be submitted by

In-person applications must be submitted by

Mail-in applications must be received by

Requesting an Absentee Ballot

Absentee ballots may be requested in person until

Mail-in requests must be received by

Voting

Mail-in ballots must be received by

Election Day is

Recent elections

Counties in Missouri

  1. Adair County
  2. Andrew County
  3. Atchison County
  4. Audrain County
  5. Barry County
  6. Barton County
  7. Bates County
  8. Benton County
  9. Bollinger County
  10. Boone County
  11. Buchanan County
  12. Butler County
  13. Caldwell County
  14. Callaway County
  15. Camden County
  16. Cape Girardeau County
  17. Carroll County
  18. Carter County
  19. Cass County
  20. Cedar County
  21. Chariton County
  22. Christian County
  23. Clark County
  24. Clay County
  25. Clinton County
  26. Cole County
  27. Cooper County
  28. Crawford County
  29. Dade County
  30. Dallas County
  31. Daviess County
  32. DeKalb County
  33. Dent County
  34. Douglas County
  35. Dunklin County
  36. Franklin County
  37. Gasconade County
  38. Gentry County
  39. Greene County
  40. Grundy County
  41. Harrison County
  42. Henry County
  43. Hickory County
  44. Holt County
  45. Howard County
  46. Howell County
  47. Iron County
  48. Jackson County
  49. Jasper County
  50. Jefferson County
  51. Johnson County
  52. Knox County
  53. Laclede County
  54. Lafayette County
  55. Lawrence County
  56. Lewis County
  57. Lincoln County
  58. Linn County
  59. Livingston County
  60. Macon County
  61. Madison County
  62. Maries County
  63. Marion County
  64. McDonald County
  65. Mercer County
  66. Miller County
  67. Mississippi County
  68. Moniteau County
  69. Monroe County
  70. Montgomery County
  71. Morgan County
  72. New Madrid County
  73. Newton County
  74. Nodaway County
  75. Oregon County
  76. Osage County
  77. Ozark County
  78. Pemiscot County
  79. Perry County
  80. Pettis County
  81. Phelps County
  82. Pike County
  83. Platte County
  84. Polk County
  85. Pulaski County
  86. Putnam County
  87. Ralls County
  88. Randolph County
  89. Ray County
  90. Reynolds County
  91. Ripley County
  92. Saline County
  93. Schuyler County
  94. Scotland County
  95. Scott County
  96. Shannon County
  97. Shelby County
  98. St. Charles County
  99. St. Clair County
  100. St. Francois County
  101. St. Louis city
  102. St. Louis County
  103. Ste. Genevieve County
  104. Stoddard County
  105. Stone County
  106. Sullivan County
  107. Taney County
  108. Texas County
  109. Vernon County
  110. Warren County
  111. Washington County
  112. Wayne County
  113. Webster County
  114. Worth County
  115. Wright County

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