RANKING · 2025 ACS · 115 SHOWN OF 115

Most sparsely populated, Missouri counties

Missouri counties with the fewest residents per square mile (2023). This list covers the 115 counties in Missouri that qualify, ranked against each other statewide.

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RELATEDLargest by population Fastest growing Fastest shrinking Most densely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Worth County, MOMO1,9147−20%

02Shannon County, MOMO7,2857−12%

03Knox County, MOMO3,7287−15%

04Reynolds County, MOMO5,9927−10%

05Mercer County, MOMO3,4048−9%

06Putnam County, MOMO4,5469−13%

07Sullivan County, MOMO5,7389−21%

08Holt County, MOMO4,2009−22%

09Atchison County, MOMO5,1759−20%

10Chariton County, MOMO7,37710−13%

11Carter County, MOMO5,41811−9%

12Scotland County, MOMO4,79611−4%

13Oregon County, MOMO8,70911−16%

14Harrison County, MOMO8,28111−6%

15Shelby County, MOMO5,87012−14%

16Carroll County, MOMO8,41712−18%

17Ozark County, MOMO9,17212−4%

18Clark County, MOMO6,47513−13%

19Gentry County, MOMO6,38413−7%

20Schuyler County, MOMO4,14013−1%

21Monroe County, MOMO8,95914−4%

22Wayne County, MOMO10,78214−19%

23St. Clair County, MOMO9,97615+3%

24Douglas County, MOMO12,34215−6%

25Daviess County, MOMO8,55815+7%

26Dade County, MOMO7,80416−2%

27Maries County, MOMO8,39716−6%

28Iron County, MOMO9,31817−13%

29Ripley County, MOMO10,71717−21%

30Bollinger County, MOMO10,64617−11%

31Macon County, MOMO15,19019−4%

32Linn County, MOMO11,81519−14%

33Dent County, MOMO14,58419−2%

34Lewis County, MOMO9,87920−6%

35Bates County, MOMO16,51220−1%

36Barton County, MOMO11,79520−6%

37Caldwell County, MOMO9,01221+0%

38Montgomery County, MOMO11,59022−4%

39Howard County, MOMO10,18022−0%

40Texas County, MOMO25,99422+13%

41Ralls County, MOMO10,44422+8%

42New Madrid County, MOMO15,08622−24%

43Grundy County, MOMO9,74422−7%

44Osage County, MOMO13,61122+4%

45Hickory County, MOMO9,04423+1%

46Nodaway County, MOMO20,17423−8%

47DeKalb County, MOMO9,79523−16%

48Vernon County, MOMO19,94624−2%

49Madison County, MOMO12,85826+9%

50Pike County, MOMO17,95527−2%

51Livingston County, MOMO14,70828+1%

52Gasconade County, MOMO14,78428−4%

53Wright County, MOMO19,67129+10%

54Mississippi County, MOMO12,00329−11%

55Benton County, MOMO20,53629+20%

56Pemiscot County, MOMO14,46529−28%

57Cooper County, MOMO17,13630+3%

58Saline County, MOMO23,26531−2%

59Crawford County, MOMO22,92931+1%

60Washington County, MOMO23,81031+2%

61Cedar County, MOMO14,88831+8%

62Henry County, MOMO22,67133+3%

63Dallas County, MOMO18,02533+15%

64Stoddard County, MOMO28,28434−5%

65Audrain County, MOMO24,52835−5%

66Moniteau County, MOMO15,42837+4%

67Ste. Genevieve County, MOMO18,68937+5%

68Morgan County, MOMO22,41838+16%

69Perry County, MOMO19,09340+5%

70Ray County, MOMO23,39841+0%

71Andrew County, MOMO18,24142+11%

72Miller County, MOMO25,81744+10%

73Howell County, MOMO40,79844+10%

74McDonald County, MOMO23,99244+11%

75Adair County, MOMO25,68445+3%

76Barry County, MOMO36,20047+6%

77Laclede County, MOMO36,94348+14%

78Dunklin County, MOMO26,85550−19%

79Randolph County, MOMO24,51351−1%

80Clinton County, MOMO21,66152+14%

81Polk County, MOMO33,60453+24%

82Lafayette County, MOMO33,53153+2%

83Callaway County, MOMO45,76555+12%

84Butler County, MOMO41,90460+3%

85Lawrence County, MOMO39,40164+12%

86Pettis County, MOMO44,25465+12%

87Marion County, MOMO28,52565+1%

88Camden County, MOMO44,04767+19%

89Phelps County, MOMO45,24767+14%

90Johnson County, MOMO56,67068+17%

91Stone County, MOMO32,50370+13%

92Webster County, MOMO43,05473+39%

93Taney County, MOMO57,00190+44%

94Scott County, MOMO37,97590−6%

95Warren County, MOMO39,01691+59%

96Pulaski County, MOMO54,442100+32%

97Newton County, MOMO62,263100+18%

98Lincoln County, MOMO66,676106+71%

99Franklin County, MOMO108,090117+15%

100Cape Girardeau County, MOMO83,999145+22%

101St. Francois County, MOMO67,809150+22%

102Cass County, MOMO115,859166+41%

103Christian County, MOMO96,725172+78%

104Cole County, MOMO77,908199+9%

105Jasper County, MOMO127,428200+22%

106Buchanan County, MOMO83,540205−3%

107Platte County, MOMO114,400272+55%

108Boone County, MOMO191,746280+42%

109Jefferson County, MOMO233,132355+18%

110Greene County, MOMO309,286458+29%

111Clay County, MOMO265,032666+44%

112St. Charles County, MOMO426,499761+50%

113Jackson County, MOMO732,9941,213+12%

114St. Louis County, MOMO990,9111,951−2%

115St. Louis, MOMO278,1444,507−20%

SHOWING 1–115 OF 115

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES