RANKING · 2020 CENSUS · 115 SHOWN OF 115

Largest households, Missouri counties · 2020

Missouri counties ranked by average household size (2023 ACS). 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

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

01Schuyler County, MOMO4,1403.12–

02Lincoln County, MOMO66,6762.87–

03Scotland County, MOMO4,7962.87–

04Pulaski County, MOMO54,4422.86–

05Webster County, MOMO43,0542.79–

06Knox County, MOMO3,7282.75–

07Putnam County, MOMO4,5462.73–

08Bollinger County, MOMO10,6462.70–

09Daviess County, MOMO8,5582.70–

10McDonald County, MOMO23,9922.70–

11Ripley County, MOMO10,7172.70–

12Howard County, MOMO10,1802.68–

13Christian County, MOMO96,7252.67–

14Sullivan County, MOMO5,7382.67–

15Mercer County, MOMO3,4042.66–

16Moniteau County, MOMO15,4282.66–

17Chariton County, MOMO7,3772.65–

18Warren County, MOMO39,0162.65–

19Shannon County, MOMO7,2852.64–

20Clay County, MOMO265,0322.64–

21Jefferson County, MOMO233,1322.62–

22Morgan County, MOMO22,4182.62–

23St. Charles County, MOMO426,4992.62–

24Saline County, MOMO23,2652.62–

25Camden County, MOMO44,0472.61–

26Carter County, MOMO5,4182.59–

27Dallas County, MOMO18,0252.59–

28Wright County, MOMO19,6712.59–

29Newton County, MOMO62,2632.59–

30Ray County, MOMO23,3982.58–

31Cass County, MOMO115,8592.57–

32Polk County, MOMO33,6042.57–

33Andrew County, MOMO18,2412.56–

34Pettis County, MOMO44,2542.56–

35Platte County, MOMO114,4002.56–

36Washington County, MOMO23,8102.56–

37Clark County, MOMO6,4752.55–

38Barry County, MOMO36,2002.55–

39Gentry County, MOMO6,3842.55–

40Randolph County, MOMO24,5132.55–

41Butler County, MOMO41,9042.54–

42Howell County, MOMO40,7982.54–

43Jasper County, MOMO127,4282.54–

44Lawrence County, MOMO39,4012.54–

45Osage County, MOMO13,6112.54–

46Callaway County, MOMO45,7652.53–

47Cooper County, MOMO17,1362.52–

48Audrain County, MOMO24,5282.52–

49Macon County, MOMO15,1902.52–

50Lafayette County, MOMO33,5312.52–

51Lewis County, MOMO9,8792.51–

52Adair County, MOMO25,6842.50–

53Franklin County, MOMO108,0902.50–

54Stoddard County, MOMO28,2842.50–

55Cedar County, MOMO14,8882.50–

56Cape Girardeau County, MOMO83,9992.49–

57Buchanan County, MOMO83,5402.49–

58Perry County, MOMO19,0932.49–

59Douglas County, MOMO12,3422.48–

60Johnson County, MOMO56,6702.48–

61Stone County, MOMO32,5032.48–

62Madison County, MOMO12,8582.47–

63Scott County, MOMO37,9752.47–

64Clinton County, MOMO21,6612.47–

65Ralls County, MOMO10,4442.46–

66Carroll County, MOMO8,4172.45–

67Laclede County, MOMO36,9432.45–

68Texas County, MOMO25,9942.45–

69Grundy County, MOMO9,7442.45–

70Dade County, MOMO7,8042.44–

71Harrison County, MOMO8,2812.44–

72St. Francois County, MOMO67,8092.44–

73Bates County, MOMO16,5122.43–

74Oregon County, MOMO8,7092.43–

75Worth County, MOMO1,9142.43–

76Pemiscot County, MOMO14,4652.43–

77Ste. Genevieve County, MOMO18,6892.42–

78Dent County, MOMO14,5842.41–

79Pike County, MOMO17,9552.41–

80Caldwell County, MOMO9,0122.40–

81Taney County, MOMO57,0012.40–

82Vernon County, MOMO19,9462.40–

83Barton County, MOMO11,7952.39–

84Dunklin County, MOMO26,8552.39–

85Miller County, MOMO25,8172.39–

86Crawford County, MOMO22,9292.39–

87St. Louis County, MOMO990,9112.39–

88Iron County, MOMO9,3182.38–

89Cole County, MOMO77,9082.37–

90Boone County, MOMO191,7462.37–

91Linn County, MOMO11,8152.37–

92Wayne County, MOMO10,7822.37–

93Benton County, MOMO20,5362.36–

94Jackson County, MOMO732,9942.36–

95Reynolds County, MOMO5,9922.35–

96Gasconade County, MOMO14,7842.34–

97Marion County, MOMO28,5252.34–

98Hickory County, MOMO9,0442.33–

99Mississippi County, MOMO12,0032.33–

100New Madrid County, MOMO15,0862.33–

101Henry County, MOMO22,6712.32–

102DeKalb County, MOMO9,7952.31–

103Livingston County, MOMO14,7082.30–

104Shelby County, MOMO5,8702.30–

105Maries County, MOMO8,3972.28–

106Monroe County, MOMO8,9592.27–

107Phelps County, MOMO45,2472.27–

108Nodaway County, MOMO20,1742.23–

109Montgomery County, MOMO11,5902.22–

110St. Clair County, MOMO9,9762.22–

111Ozark County, MOMO9,1722.22–

112Greene County, MOMO309,2862.20–

113Holt County, MOMO4,2002.12–

114St. Louis, MOMO278,1442.05–

115Atchison County, MOMO5,1751.99–

SHOWING 1–115 OF 115

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