RANKING · 2010 CENSUS · 115 SHOWN OF 115

Largest by population, Missouri counties · 2010

The most populous Missouri counties as of the 2010 population estimates. This list covers the 115 counties in Missouri that qualify, ranked against each other statewide.

MissouriAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01St. Louis County, MOMO998,954−2%

02Jackson County, MOMO674,158+3%

03St. Charles County, MOMO360,485+27%

04St. Louis, MOMO319,294−8%

05Greene County, MOMO275,174+14%

06Clay County, MOMO221,939+21%

07Jefferson County, MOMO218,733+10%

08Boone County, MOMO162,642+20%

09Jasper County, MOMO117,404+12%

10Franklin County, MOMO101,492+8%

11Cass County, MOMO99,478+21%

12Platte County, MOMO89,322+21%

13Buchanan County, MOMO89,201+4%

14Christian County, MOMO77,422+43%

15Cole County, MOMO75,990+6%

16Cape Girardeau County, MOMO75,674+10%

17St. Francois County, MOMO65,359+17%

18Newton County, MOMO58,114+10%

19Johnson County, MOMO52,595+9%

20Lincoln County, MOMO52,566+35%

21Pulaski County, MOMO52,274+27%

22Taney County, MOMO51,675+30%

23Phelps County, MOMO45,156+13%

24Callaway County, MOMO44,332+9%

25Camden County, MOMO44,002+19%

26Butler County, MOMO42,794+5%

27Pettis County, MOMO42,201+7%

28Howell County, MOMO40,400+8%

29Scott County, MOMO39,191−3%

30Lawrence County, MOMO38,634+10%

31Webster County, MOMO36,202+17%

32Barry County, MOMO35,597+5%

33Laclede County, MOMO35,571+9%

34Lafayette County, MOMO33,381+1%

35Warren County, MOMO32,513+33%

36Stone County, MOMO32,202+12%

37Dunklin County, MOMO31,953−4%

38Polk County, MOMO31,137+15%

39Stoddard County, MOMO29,968+1%

40Marion County, MOMO28,781+2%

41Texas County, MOMO26,008+13%

42Adair County, MOMO25,607+3%

43Audrain County, MOMO25,529−1%

44Randolph County, MOMO25,414+3%

45Washington County, MOMO25,195+8%

46Miller County, MOMO24,748+5%

47Crawford County, MOMO24,696+8%

48Ray County, MOMO23,494+1%

49Nodaway County, MOMO23,370+7%

50Saline County, MOMO23,370−2%

51McDonald County, MOMO23,083+6%

52Henry County, MOMO22,272+1%

53Vernon County, MOMO21,159+3%

54Clinton County, MOMO20,743+9%

55Morgan County, MOMO20,565+7%

56Benton County, MOMO19,056+11%

57Perry County, MOMO18,971+5%

58New Madrid County, MOMO18,956−4%

59Wright County, MOMO18,815+5%

60Pike County, MOMO18,516+1%

61Pemiscot County, MOMO18,296−9%

62Ste. Genevieve County, MOMO18,145+2%

63Cooper County, MOMO17,601+6%

64Andrew County, MOMO17,291+5%

65Bates County, MOMO17,049+2%

66Dallas County, MOMO16,777+7%

67Dent County, MOMO15,657+5%

68Moniteau County, MOMO15,607+5%

69Macon County, MOMO15,566−1%

70Gasconade County, MOMO15,222−1%

71Livingston County, MOMO15,195+4%

72Mississippi County, MOMO14,358+7%

73Ripley County, MOMO14,100+4%

74Cedar County, MOMO13,982+2%

75Osage County, MOMO13,878+6%

76Douglas County, MOMO13,684+5%

77Wayne County, MOMO13,521+2%

78DeKalb County, MOMO12,892+11%

79Linn County, MOMO12,761−7%

80Barton County, MOMO12,402−1%

81Bollinger County, MOMO12,363+3%

82Montgomery County, MOMO12,236+1%

83Madison County, MOMO12,226+4%

84Oregon County, MOMO10,881+5%

85Iron County, MOMO10,630−1%

86Grundy County, MOMO10,261−2%

87Lewis County, MOMO10,211−3%

88Ralls County, MOMO10,167+6%

89Howard County, MOMO10,144−1%

90St. Clair County, MOMO9,805+2%

91Ozark County, MOMO9,723+2%

92Hickory County, MOMO9,627+8%

93Caldwell County, MOMO9,424+5%

94Carroll County, MOMO9,295−10%

95Maries County, MOMO9,176+3%

96Harrison County, MOMO8,957+1%

97Monroe County, MOMO8,840−5%

98Shannon County, MOMO8,441+1%

99Daviess County, MOMO8,433+5%

100Dade County, MOMO7,883−1%

101Chariton County, MOMO7,831−7%

102Clark County, MOMO7,139−4%

103Gentry County, MOMO6,738−2%

104Sullivan County, MOMO6,714−7%

105Reynolds County, MOMO6,696+0%

106Shelby County, MOMO6,373−6%

107Carter County, MOMO6,265+5%

108Atchison County, MOMO5,685−12%

109Putnam County, MOMO4,979−5%

110Holt County, MOMO4,912−8%

111Scotland County, MOMO4,843−3%

112Schuyler County, MOMO4,431+6%

113Knox County, MOMO4,131−5%

114Mercer County, MOMO3,785+1%

115Worth County, MOMO2,171−9%

SHOWING 1–115 OF 115

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS