RANKING · 2020 CENSUS · 105 SHOWN OF 105

Oldest by median age, Kansas counties · 2020

Kansas counties ranked by median age of residents (2020 ACS). This list covers the 105 counties in Kansas that qualify, ranked against each other statewide. The median across all 105 is 41.9.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Smith County, KSKS3,56652.1+13%

02Decatur County, KSKS2,71650.8+15%

03Graham County, KSKS2,37150.4+14%

04Elk County, KSKS2,45850.3+9%

05Ness County, KSKS2,61750.3+15%

06Jewell County, KSKS2,83049.9+8%

07Osborne County, KSKS3,28549.3+12%

08Republic County, KSKS4,64049.3+8%

09Trego County, KSKS2,74048.8+12%

10Greenwood County, KSKS5,82648.7+14%

11Rush County, KSKS2,84548.1+8%

12Lane County, KSKS1,50847.7+15%

13Lincoln County, KSKS2,86147.2+8%

14Morris County, KSKS5,34847.2+12%

15Phillips County, KSKS4,72846.6+10%

16Barber County, KSKS4,08346.4+9%

17Cheyenne County, KSKS2,60446.4+5%

18Rawlins County, KSKS2,43146.3+2%

19Linn County, KSKS9,95046.2+13%

20Woodson County, KSKS3,11846.2+5%

21Comanche County, KSKS1,67346.0−2%

22Mitchell County, KSKS5,59046.0+12%

23Chautauqua County, KSKS3,32145.9+3%

24Kingman County, KSKS7,02945.8+14%

25Edwards County, KSKS2,64045.7+11%

26Hodgeman County, KSKS1,61945.5+14%

27Chase County, KSKS2,57245.4+13%

28Rooks County, KSKS4,64645.4+12%

29Russell County, KSKS6,58144.9+2%

30Coffey County, KSKS8,46744.7+14%

31Clay County, KSKS7,99044.6+8%

32Marion County, KSKS11,63444.6+9%

33Osage County, KSKS15,69344.4+14%

34Stafford County, KSKS4,00544.2+8%

35Ottawa County, KSKS5,74444.1+10%

36Ellsworth County, KSKS6,25743.8+5%

37Washington County, KSKS5,53343.80%

38Wabaunsee County, KSKS7,01843.7+11%

39Jefferson County, KSKS18,29643.7+15%

40Marshall County, KSKS9,85243.6+5%

41Wilson County, KSKS8,29943.6+7%

42Dickinson County, KSKS18,63743.5+9%

43Harper County, KSKS5,37043.10%

44Sheridan County, KSKS2,42743.1+4%

45Gove County, KSKS2,63142.70%

46Brown County, KSKS9,10442.6+7%

47Wallace County, KSKS1,44142.6+8%

48Cherokee County, KSKS19,10542.4+15%

49Norton County, KSKS5,28842.3+5%

50Pawnee County, KSKS5,99142.3+4%

51Morton County, KSKS2,47042.2+17%

52Anderson County, KSKS8,01842.0+6%

53Sumner County, KSKS22,31241.9+11%

54Allen County, KSKS12,30241.8+8%

55Clark County, KSKS1,90041.8−1%

56Kiowa County, KSKS2,43241.4−2%

57Jackson County, KSKS13,43841.3+10%

58Miami County, KSKS36,24041.1+12%

59Montgomery County, KSKS30,17741.1+5%

60Reno County, KSKS61,53941.0+7%

61Cloud County, KSKS8,83340.8−1%

62Harvey County, KSKS33,58040.7+8%

63Barton County, KSKS24,79040.5+5%

64Nemaha County, KSKS10,05440.4+3%

65Doniphan County, KSKS7,59440.3+10%

66Greeley County, KSKS1,18240.3+4%

67Neosho County, KSKS15,63740.3+5%

68Franklin County, KSKS26,29940.2+12%

69Labette County, KSKS19,68540.1+6%

70Logan County, KSKS2,66140.1−1%

71McPherson County, KSKS30,06440.0+5%

72Rice County, KSKS9,26639.9+6%

73Saline County, KSKS53,37739.7+10%

74Pratt County, KSKS9,11739.7−1%

75Shawnee County, KSKS178,60739.7+7%

76Meade County, KSKS3,85239.1+8%

77Cowley County, KSKS34,38239.0+5%

78Bourbon County, KSKS14,31938.6+2%

79Leavenworth County, KSKS84,59038.5+8%

80Wichita County, KSKS2,03138.5+5%

81Scott County, KSKS4,81538.4−2%

82Sherman County, KSKS5,76338.4+2%

83Butler County, KSKS69,48438.3+7%

84Johnson County, KSKS636,90638.2+9%

85Gray County, KSKS5,65237.7+14%

86Atchison County, KSKS16,17236.9+2%

87Thomas County, KSKS7,72536.6+4%

88Stevens County, KSKS4,98436.2+8%

89Sedgwick County, KSKS538,43336.1+7%

90Pottawatomie County, KSKS27,18636.00%

91Lyon County, KSKS32,26635.7+16%

92Stanton County, KSKS1,98635.4+5%

93Kearny County, KSKS3,88835.0+11%

94Crawford County, KSKS39,00834.7+3%

95Hamilton County, KSKS2,50034.5−8%

96Wyandotte County, KSKS170,59734.5+6%

97Haskell County, KSKS3,59934.3+11%

98Ellis County, KSKS29,07534.1+4%

99Grant County, KSKS7,02834.1+9%

100Douglas County, KSKS120,92032.2+21%

101Finney County, KSKS37,50531.8+13%

102Ford County, KSKS33,99331.3+5%

103Seward County, KSKS21,07330.8+6%

104Geary County, KSKS36,33828.7−1%

105Riley County, KSKS72,59825.3+6%

SHOWING 1–105 OF 105

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