RANKING · 2024 ACS · 115 SHOWN OF 115

Oldest by median age, Missouri counties

Missouri counties ranked by median age of residents (2024 ACS). This list covers the 115 counties in Missouri that qualify, ranked against each other statewide. The median across all 115 is 41.1. Biggest climber in the top 100 since 2020: Vernon County, MO, up 36 places to #48.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Hickory County, MOMO9,04455.2+11%

02Stone County, MOMO32,50354.6+24%

03Benton County, MOMO20,53654.5+18%

04▲1Camden County, MOMO44,04753.2+18%

05▼1Ozark County, MOMO9,17251.4+18%

06Wayne County, MOMO10,78248.6+14%

07▲3Worth County, MOMO1,91448.5+16%

08▼1Holt County, MOMO4,20047.4+13%

09▲2Dade County, MOMO7,80447.0+13%

10▲4Gasconade County, MOMO14,78446.8+16%

11▲6Atchison County, MOMO5,17546.7+12%

12▲3Reynolds County, MOMO5,99246.1+13%

13▼5St. Clair County, MOMO9,97646.1+5%

14▲7Putnam County, MOMO4,54645.9+10%

15▲9Ralls County, MOMO10,44445.9+17%

16▲7Monroe County, MOMO8,95945.7+16%

17▼8Douglas County, MOMO12,34245.5+13%

18▼2Morgan County, MOMO22,41845.4+7%

19▲6Maries County, MOMO8,39744.9+17%

20▼7Shannon County, MOMO7,28544.9+16%

21▼1Iron County, MOMO9,31844.8+13%

22▼3Chariton County, MOMO7,37744.7+5%

23▼1Bollinger County, MOMO10,64644.5+17%

24▼12Oregon County, MOMO8,70944.5+9%

25▲31Sullivan County, MOMO5,73844.1+13%

26▲4Henry County, MOMO22,67143.7+9%

27▲1Carroll County, MOMO8,41743.6+9%

28▼1Montgomery County, MOMO11,59043.6+11%

29▲6Clark County, MOMO6,47543.5+11%

30▼4Dent County, MOMO14,58443.5+10%

31▲3Macon County, MOMO15,19043.5+8%

32▲8Barry County, MOMO36,20043.4+14%

33▼1Ste. Genevieve County, MOMO18,68943.3+15%

34▲2Caldwell County, MOMO9,01243.2+11%

35▲3Crawford County, MOMO22,92943.0+13%

36▲3Cedar County, MOMO14,88843.0+2%

37Texas County, MOMO25,99442.9+6%

38▲7Shelby County, MOMO5,87042.7+6%

39▲11Taney County, MOMO57,00142.6+10%

40▲24Andrew County, MOMO18,24142.5+12%

41▼8Mercer County, MOMO3,40442.40%

42▲9DeKalb County, MOMO9,79542.2+12%

43▲12Perry County, MOMO19,09342.2+15%

44▼3Linn County, MOMO11,81542.1+4%

45▲8Stoddard County, MOMO28,28442.0+7%

46Clinton County, MOMO21,66142.0+11%

47▲2Ray County, MOMO23,39841.9+13%

48▲36Vernon County, MOMO19,94641.9+13%

49▲8Franklin County, MOMO108,09041.8+17%

50▼7Harrison County, MOMO8,28141.80%

51▼9Dallas County, MOMO18,02541.7+10%

52▼5Bates County, MOMO16,51241.4+8%

53▲8Miller County, MOMO25,81741.3+11%

54▼10New Madrid County, MOMO15,08641.3+10%

55▲10Barton County, MOMO11,79541.1+10%

56▼4Madison County, MOMO12,85841.1+5%

57▼9Mississippi County, MOMO12,00341.1+10%

58▲4Osage County, MOMO13,61141.1+14%

59▲13Wright County, MOMO19,67141.1+9%

60▼2Lafayette County, MOMO33,53140.9+8%

61▲8Warren County, MOMO39,01640.8+9%

62▼33Ripley County, MOMO10,71740.7+3%

63▼9Washington County, MOMO23,81040.7+16%

64▲12Grundy County, MOMO9,74440.6−2%

65▲3Cooper County, MOMO17,13640.5+15%

66▲15Cass County, MOMO115,85940.4+13%

67▲3Daviess County, MOMO8,55840.3+4%

68▼9Howell County, MOMO40,79840.3+5%

69▲10Jefferson County, MOMO233,13240.3+15%

70▲3St. Louis County, MOMO990,91140.3+7%

71▲15Audrain County, MOMO24,52840.2+6%

72▲6Gentry County, MOMO6,38440.20%

73▲4Newton County, MOMO62,26340.2+8%

74▼43Knox County, MOMO3,72840.1−4%

75Randolph County, MOMO24,51340.0+8%

76▲11Cole County, MOMO77,90839.9+12%

77▼17Livingston County, MOMO14,70839.80%

78▲13St. Charles County, MOMO426,49939.8+16%

79▼13Dunklin County, MOMO26,85539.7+5%

80▲3Scott County, MOMO37,97539.7+10%

81▲1Marion County, MOMO28,52539.6+7%

82▼11Pike County, MOMO17,95539.6+5%

83▼9Butler County, MOMO41,90439.5+2%

84▼4St. Francois County, MOMO67,80939.5+6%

85▲3Callaway County, MOMO45,76539.4+14%

86▲11Christian County, MOMO96,72539.2+14%

87▼20Laclede County, MOMO36,94339.2+7%

88▼25Schuyler County, MOMO4,14039.2−4%

89▲7Platte County, MOMO114,40039.1+9%

90▲5Howard County, MOMO10,18039.0+6%

91▼73Carter County, MOMO5,41838.90%

92Buchanan County, MOMO83,54038.9+8%

93▼8Lawrence County, MOMO39,40138.8+5%

94Moniteau County, MOMO15,42838.4+7%

95▲4McDonald County, MOMO23,99238.2+11%

96▲2Pettis County, MOMO44,25438.2+5%

97▼7Polk County, MOMO33,60438.1+9%

98▼5Pemiscot County, MOMO14,46538.1+11%

99▲4Clay County, MOMO265,03237.9+8%

100▼11Lewis County, MOMO9,87937.6+4%

101▲1Lincoln County, MOMO66,67637.5+9%

102▼1Cape Girardeau County, MOMO83,99937.1+5%

103▲2Jackson County, MOMO732,99437.0+5%

104▼4Webster County, MOMO43,05437.0+7%

105▲3Jasper County, MOMO127,42836.8+5%

106▲4St. Louis, MOMO278,14436.8+9%

107Scotland County, MOMO4,79636.5−2%

108▼2Greene County, MOMO309,28636.4+4%

109Phelps County, MOMO45,24735.8+3%

110▼6Saline County, MOMO23,26535.3−5%

111Nodaway County, MOMO20,17433.7+12%

112▲1Boone County, MOMO191,74632.7+11%

113▼1Johnson County, MOMO56,67031.5+11%

114Adair County, MOMO25,68430.2+8%

115Pulaski County, MOMO54,44227.8−2%

SHOWING 1–115 OF 115

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES