RANKING · 2020 CENSUS · 115 SHOWN OF 115

Largest senior population, Missouri counties · 2020

Missouri counties home to the most residents aged 65 and over as of 2020. Ranked by number of people, not the senior share. This list covers the 115 counties in Missouri that qualify, ranked against each other statewide.

MissouriAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01St. Louis County, MOMO990,911190,957+33%

02Jackson County, MOMO732,994109,897+34%

03St. Charles County, MOMO426,49965,051+162%

04Greene County, MOMO309,28651,137+57%

05St. Louis, MOMO278,14440,548−15%

06Clay County, MOMO265,03237,314+88%

07Jefferson County, MOMO233,13236,679+102%

08Boone County, MOMO191,74624,160+108%

09Jasper County, MOMO127,42819,539+35%

10Franklin County, MOMO108,09019,431+71%

11Cass County, MOMO115,85918,809+95%

12Platte County, MOMO114,40016,030+146%

13Buchanan County, MOMO83,54014,863+15%

14Christian County, MOMO96,72514,610+154%

15Cape Girardeau County, MOMO83,99914,579+54%

16Cole County, MOMO77,90813,428+66%

17Taney County, MOMO57,00112,341+92%

18Camden County, MOMO44,04711,775+68%

19St. Francois County, MOMO67,80911,561+39%

20Newton County, MOMO62,26311,108+50%

21Stone County, MOMO32,5039,572+76%

22Lincoln County, MOMO66,6768,447+101%

23Howell County, MOMO40,7988,335+33%

24Butler County, MOMO41,9047,943+17%

25Phelps County, MOMO45,2477,549+37%

26Callaway County, MOMO45,7657,463+67%

27Johnson County, MOMO56,6707,454+66%

28Pettis County, MOMO44,2547,387+22%

29Barry County, MOMO36,2007,295+33%

30Lawrence County, MOMO39,4017,211+31%

31Scott County, MOMO37,9757,109+28%

32Laclede County, MOMO36,9436,725+46%

33Lafayette County, MOMO33,5316,378+26%

34Webster County, MOMO43,0546,284+77%

35Warren County, MOMO39,0166,249+96%

36Polk County, MOMO33,6045,967+45%

37Benton County, MOMO20,5365,958+56%

38Stoddard County, MOMO28,2845,866+15%

39Marion County, MOMO28,5255,418+15%

40Dunklin County, MOMO26,8555,380−2%

41Texas County, MOMO25,9945,236+28%

42Morgan County, MOMO22,4185,075+34%

43Henry County, MOMO22,6715,031+25%

44Audrain County, MOMO24,5284,960+14%

45Pulaski County, MOMO54,4424,938+52%

46Miller County, MOMO25,8174,814+34%

47Crawford County, MOMO22,9294,743+32%

48Ray County, MOMO23,3984,374+46%

49Randolph County, MOMO24,5134,371+19%

50Clinton County, MOMO21,6614,174+56%

51Washington County, MOMO23,8104,159+52%

52Saline County, MOMO23,2654,057+5%

53Adair County, MOMO25,6843,992+30%

54Vernon County, MOMO19,9463,894+17%

55Perry County, MOMO19,0933,755+32%

56Ste. Genevieve County, MOMO18,6893,721+44%

57Nodaway County, MOMO20,1743,626+20%

58Wright County, MOMO19,6713,586+21%

59Dallas County, MOMO18,0253,541+49%

60Gasconade County, MOMO14,7843,484+21%

61Andrew County, MOMO18,2413,469+46%

62Macon County, MOMO15,1903,437+15%

63McDonald County, MOMO23,9923,417+40%

64Cedar County, MOMO14,8883,346+17%

65Bates County, MOMO16,5123,303+14%

66Pike County, MOMO17,9553,303+20%

67New Madrid County, MOMO15,0863,290+8%

68Cooper County, MOMO17,1363,226+27%

69Dent County, MOMO14,5843,171+20%

70Livingston County, MOMO14,7083,066+11%

71Douglas County, MOMO12,3423,044+36%

72Hickory County, MOMO9,0442,896+24%

73Wayne County, MOMO10,7822,855+9%

74Pemiscot County, MOMO14,4652,783−7%

75Moniteau County, MOMO15,4282,654+29%

76Linn County, MOMO11,8152,633−7%

77Madison County, MOMO12,8582,500+18%

78Osage County, MOMO13,6112,464+28%

79Montgomery County, MOMO11,5902,459+18%

80Mississippi County, MOMO12,0032,456+15%

81Ripley County, MOMO10,7172,426+4%

82Ozark County, MOMO9,1722,401+29%

83St. Clair County, MOMO9,9762,392+16%

84Bollinger County, MOMO10,6462,315+30%

85Barton County, MOMO11,7952,301+11%

86Ralls County, MOMO10,4442,240+63%

87Grundy County, MOMO9,7442,191+2%

88Iron County, MOMO9,3182,165+19%

89Oregon County, MOMO8,7092,149+15%

90Monroe County, MOMO8,9592,069+26%

91DeKalb County, MOMO9,7952,048+27%

92Carroll County, MOMO8,4171,979−4%

93Lewis County, MOMO9,8791,912+13%

94Howard County, MOMO10,1801,904+16%

95Dade County, MOMO7,8041,898+18%

96Harrison County, MOMO8,2811,897−2%

97Caldwell County, MOMO9,0121,864+22%

98Maries County, MOMO8,3971,794+29%

99Chariton County, MOMO7,3771,792−5%

100Daviess County, MOMO8,5581,724+22%

101Shannon County, MOMO7,2851,663+33%

102Clark County, MOMO6,4751,480+19%

103Reynolds County, MOMO5,9921,458+34%

104Shelby County, MOMO5,8701,368+2%

105Atchison County, MOMO5,1751,328−2%

106Gentry County, MOMO6,3841,316−11%

107Sullivan County, MOMO5,7381,204−10%

108Putnam County, MOMO4,5461,198+11%

109Carter County, MOMO5,4181,172+24%

110Holt County, MOMO4,2001,082−6%

111Scotland County, MOMO4,796892−6%

112Schuyler County, MOMO4,140877+6%

113Knox County, MOMO3,728865−7%

114Mercer County, MOMO3,404799−3%

115Worth County, MOMO1,914484−9%

SHOWING 1–115 OF 115

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