RANKING · 2000 CENSUS · 115 SHOWN OF 115

Oldest by median age, Missouri counties · 2000

Missouri counties ranked by median age of residents (2000 ACS). This list covers the 115 counties in Missouri that qualify, ranked against each other statewide. The median across all 115 is 37.8.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 1990

01Hickory County, MOMO9,04449.7−2%

02Benton County, MOMO20,53646.3+4%

03Camden County, MOMO44,04745.2+9%

04Stone County, MOMO32,50344.1+3%

05St. Clair County, MOMO9,97643.9+4%

06Ozark County, MOMO9,17243.6+4%

07Morgan County, MOMO22,41842.6+1%

08Chariton County, MOMO7,37742.5+9%

09Wayne County, MOMO10,78242.5+6%

10Mercer County, MOMO3,40442.4−1%

11Cedar County, MOMO14,88842.2+1%

12Putnam County, MOMO4,54641.9−1%

13Worth County, MOMO1,91441.9−2%

14Holt County, MOMO4,20041.8+9%

15Dade County, MOMO7,80441.7+8%

16Atchison County, MOMO5,17541.7+9%

17Harrison County, MOMO8,28141.7−2%

18Knox County, MOMO3,72841.6+1%

19Grundy County, MOMO9,74441.3+5%

20Oregon County, MOMO8,70941.0+1%

21Schuyler County, MOMO4,14040.8+5%

22Reynolds County, MOMO5,99240.7+10%

23Shelby County, MOMO5,87040.4+2%

24Texas County, MOMO25,99440.4+11%

25Gasconade County, MOMO14,78440.3+6%

26Linn County, MOMO11,81540.3+3%

27Gentry County, MOMO6,38440.2+1%

28Douglas County, MOMO12,34240.1+8%

29Macon County, MOMO15,19040.1+4%

30Carroll County, MOMO8,41740.0+5%

31Henry County, MOMO22,67140.0+4%

32Iron County, MOMO9,31839.7+7%

33Livingston County, MOMO14,70839.7+7%

34Dent County, MOMO14,58439.6+5%

35Monroe County, MOMO8,95939.4+10%

36Montgomery County, MOMO11,59039.4+6%

37Ripley County, MOMO10,71739.4+7%

38Ralls County, MOMO10,44439.3+7%

39Clark County, MOMO6,47539.2+9%

40Madison County, MOMO12,85839.1+7%

41Stoddard County, MOMO28,28439.1+6%

42Carter County, MOMO5,41838.9+9%

43Daviess County, MOMO8,55838.9+4%

44Sullivan County, MOMO5,73838.9−8%

45Caldwell County, MOMO9,01238.8+3%

46Shannon County, MOMO7,28538.8+9%

47Taney County, MOMO57,00138.8−4%

48Butler County, MOMO41,90438.7+8%

49Maries County, MOMO8,39738.5+5%

50Bates County, MOMO16,51238.4+3%

51Barry County, MOMO36,20038.2+2%

52Howell County, MOMO40,79838.2+5%

53Audrain County, MOMO24,52838.0+2%

54Dallas County, MOMO18,02537.9+3%

55Bollinger County, MOMO10,64637.9+5%

56Crawford County, MOMO22,92937.9+7%

57Lafayette County, MOMO33,53137.9+7%

58Andrew County, MOMO18,24137.8+7%

59Dunklin County, MOMO26,85537.8+5%

60DeKalb County, MOMO9,79537.7+12%

61Pike County, MOMO17,95537.7+5%

62Ste. Genevieve County, MOMO18,68937.7+11%

63Wright County, MOMO19,67137.7+7%

64Clinton County, MOMO21,66137.7+7%

65St. Louis County, MOMO990,91137.5+8%

66Scotland County, MOMO4,79637.4−4%

67Warren County, MOMO39,01637.4+11%

68New Madrid County, MOMO15,08637.4+12%

69Barton County, MOMO11,79537.3+2%

70Mississippi County, MOMO12,00337.3+9%

71Miller County, MOMO25,81737.2+9%

72St. Francois County, MOMO67,80937.2+8%

73Saline County, MOMO23,26537.2+5%

74Randolph County, MOMO24,51337.2+8%

75Marion County, MOMO28,52537.1+7%

76Ray County, MOMO23,39837.1+9%

77Newton County, MOMO62,26337.1+7%

78Vernon County, MOMO19,94637.1+4%

79Lawrence County, MOMO39,40136.9+4%

80Perry County, MOMO19,09336.8+7%

81Howard County, MOMO10,18036.7+4%

82Laclede County, MOMO36,94336.6+7%

83Pettis County, MOMO44,25436.4+5%

84Buchanan County, MOMO83,54036.1+6%

85Osage County, MOMO13,61136.1+12%

86Lewis County, MOMO9,87936.0+6%

87Scott County, MOMO37,97536.0+8%

88Moniteau County, MOMO15,42835.9+5%

89Platte County, MOMO114,40035.9+9%

90Cass County, MOMO115,85935.8+11%

91Franklin County, MOMO108,09035.8+11%

92Cole County, MOMO77,90835.5+8%

93Cape Girardeau County, MOMO83,99935.2+9%

94Cooper County, MOMO17,13635.2+3%

95Jackson County, MOMO732,99435.2+6%

96Washington County, MOMO23,81035.2+10%

97Greene County, MOMO309,28635.1+8%

98Polk County, MOMO33,60435.0+5%

99Clay County, MOMO265,03235.0+6%

100Jasper County, MOMO127,42834.9+2%

101Jefferson County, MOMO233,13234.9+14%

102Phelps County, MOMO45,24734.9+9%

103Callaway County, MOMO45,76534.7+6%

104Webster County, MOMO43,05434.6+5%

105Christian County, MOMO96,72534.5+6%

106Lincoln County, MOMO66,67634.5+9%

107Pemiscot County, MOMO14,46534.4+6%

108McDonald County, MOMO23,99234.3+1%

109St. Charles County, MOMO426,49934.3+12%

110St. Louis, MOMO278,14433.7+3%

111Nodaway County, MOMO20,17430.2+8%

112Boone County, MOMO191,74629.5+6%

113Johnson County, MOMO56,67028.5+9%

114Pulaski County, MOMO54,44228.5+6%

115Adair County, MOMO25,68427.9+2%

SHOWING 1–115 OF 115

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS