Mo. Rev. Stat. § 46.040: State divided into one hundred and fourteen counties and one city.

This state is divided into one hundred and fourteen counties and one city, by the names and designations following:

NORTH OF THE MISSOURI RIVER

1. Adair 16. Gentry 31. Nodaway

2. Andrew 17. Grundy 32. Pike

3. Atchison 18. Harrison 33. Platte

4. Audrain 19. Holt 34. Putnam

5. Boone 20. Howard 35. Ralls

6. Buchanan 21. Knox 36. Randolph

7. Caldwell 22. Lewis 37. Ray

8. Callaway 23. Lincoln 38. Schuyler

9. Carroll 24. Linn 39. Scotland

10. Chariton 25. Livingston 40. Shelby

11. Clark 26. Macon 41. St. Charles

12. Clay 27. Marion 42. Sullivan

13. Clinton 28. Mercer 43. Warren

14. Daviess 29. Monroe 44. Worth

15. DeKalb 30. Montgomery

SOUTH OF THE MISSOURI RIVER

45. Barry 69. Hickory 93. Pettis

46. Barton 70. Howell 94. Phelps

47. Bates 71. Iron 95. Polk

48. Benton 72. Jackson 96. Pulaski

49. Bollinger 73. Jasper 97. Reynolds

50. Butler 74. Jefferson 98. Ripley

51. Camden 75. Johnson 99. Saline

52. Cape Girardeau 76. Laclede 100. Scott

53. Carter 77. Lafayette 101. Shannon

54. Cass 78. Lawrence 102. Stoddard

55. Cedar 79. Madison 103. St. Clair

56. Christian 80. Maries 104. St. Francois

57. Cole 81. McDonald 105. Ste. Genevieve

58. Cooper 82. Miller 106. St. Louis

59. Crawford 83. Mississippi 107. Stone

60. Dade 84. Moniteau 108. Taney

61. Dallas 85. Morgan 109. Texas

62. Dent 86. New Madrid 110. Vernon

63. Douglas 87. Newton 111. Washington

64. Dunklin 88. Oregon 112. Wayne

65. Franklin 89. Osage 113. Webster

66. Gasconade 90. Ozark 114. Wright

67. Greene 91. Pemiscot 115. City of St. Louis

68. Henry 92. Perry