RANKING · 2020 CENSUS · 105 SHOWN OF 105

Youngest by median age, Kansas counties · 2020

Kansas counties with the youngest median age (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

01Riley County, KSKS72,59825.3+6%

02Geary County, KSKS36,33828.7−1%

03Seward County, KSKS21,07330.8+6%

04Ford County, KSKS33,99331.3+5%

05Finney County, KSKS37,50531.8+13%

06Douglas County, KSKS120,92032.2+21%

07Ellis County, KSKS29,07534.1+4%

08Grant County, KSKS7,02834.1+9%

09Haskell County, KSKS3,59934.3+11%

10Hamilton County, KSKS2,50034.5−8%

11Wyandotte County, KSKS170,59734.5+6%

12Crawford County, KSKS39,00834.7+3%

13Kearny County, KSKS3,88835.0+11%

14Stanton County, KSKS1,98635.4+5%

15Lyon County, KSKS32,26635.7+16%

16Pottawatomie County, KSKS27,18636.00%

17Sedgwick County, KSKS538,43336.1+7%

18Stevens County, KSKS4,98436.2+8%

19Thomas County, KSKS7,72536.6+4%

20Atchison County, KSKS16,17236.9+2%

21Gray County, KSKS5,65237.7+14%

22Johnson County, KSKS636,90638.2+9%

23Butler County, KSKS69,48438.3+7%

24Scott County, KSKS4,81538.4−2%

25Sherman County, KSKS5,76338.4+2%

26Leavenworth County, KSKS84,59038.5+8%

27Wichita County, KSKS2,03138.5+5%

28Bourbon County, KSKS14,31938.6+2%

29Cowley County, KSKS34,38239.0+5%

30Meade County, KSKS3,85239.1+8%

31Saline County, KSKS53,37739.7+10%

32Pratt County, KSKS9,11739.7−1%

33Shawnee County, KSKS178,60739.7+7%

34Rice County, KSKS9,26639.9+6%

35McPherson County, KSKS30,06440.0+5%

36Labette County, KSKS19,68540.1+6%

37Logan County, KSKS2,66140.1−1%

38Franklin County, KSKS26,29940.2+12%

39Doniphan County, KSKS7,59440.3+10%

40Greeley County, KSKS1,18240.3+4%

41Neosho County, KSKS15,63740.3+5%

42Nemaha County, KSKS10,05440.4+3%

43Barton County, KSKS24,79040.5+5%

44Harvey County, KSKS33,58040.7+8%

45Cloud County, KSKS8,83340.8−1%

46Reno County, KSKS61,53941.0+7%

47Miami County, KSKS36,24041.1+12%

48Montgomery County, KSKS30,17741.1+5%

49Jackson County, KSKS13,43841.3+10%

50Kiowa County, KSKS2,43241.4−2%

51Allen County, KSKS12,30241.8+8%

52Clark County, KSKS1,90041.8−1%

53Sumner County, KSKS22,31241.9+11%

54Anderson County, KSKS8,01842.0+6%

55Morton County, KSKS2,47042.2+17%

56Norton County, KSKS5,28842.3+5%

57Pawnee County, KSKS5,99142.3+4%

58Cherokee County, KSKS19,10542.4+15%

59Brown County, KSKS9,10442.6+7%

60Wallace County, KSKS1,44142.6+8%

61Gove County, KSKS2,63142.70%

62Harper County, KSKS5,37043.10%

63Sheridan County, KSKS2,42743.1+4%

64Dickinson County, KSKS18,63743.5+9%

65Marshall County, KSKS9,85243.6+5%

66Wilson County, KSKS8,29943.6+7%

67Wabaunsee County, KSKS7,01843.7+11%

68Jefferson County, KSKS18,29643.7+15%

69Ellsworth County, KSKS6,25743.8+5%

70Washington County, KSKS5,53343.80%

71Ottawa County, KSKS5,74444.1+10%

72Stafford County, KSKS4,00544.2+8%

73Osage County, KSKS15,69344.4+14%

74Clay County, KSKS7,99044.6+8%

75Marion County, KSKS11,63444.6+9%

76Coffey County, KSKS8,46744.7+14%

77Russell County, KSKS6,58144.9+2%

78Chase County, KSKS2,57245.4+13%

79Rooks County, KSKS4,64645.4+12%

80Hodgeman County, KSKS1,61945.5+14%

81Edwards County, KSKS2,64045.7+11%

82Kingman County, KSKS7,02945.8+14%

83Chautauqua County, KSKS3,32145.9+3%

84Comanche County, KSKS1,67346.0−2%

85Mitchell County, KSKS5,59046.0+12%

86Linn County, KSKS9,95046.2+13%

87Woodson County, KSKS3,11846.2+5%

88Rawlins County, KSKS2,43146.3+2%

89Barber County, KSKS4,08346.4+9%

90Cheyenne County, KSKS2,60446.4+5%

91Phillips County, KSKS4,72846.6+10%

92Lincoln County, KSKS2,86147.2+8%

93Morris County, KSKS5,34847.2+12%

94Lane County, KSKS1,50847.7+15%

95Rush County, KSKS2,84548.1+8%

96Greenwood County, KSKS5,82648.7+14%

97Trego County, KSKS2,74048.8+12%

98Osborne County, KSKS3,28549.3+12%

99Republic County, KSKS4,64049.3+8%

100Jewell County, KSKS2,83049.9+8%

101Elk County, KSKS2,45850.3+9%

102Ness County, KSKS2,61750.3+15%

103Graham County, KSKS2,37150.4+14%

104Decatur County, KSKS2,71650.8+15%

105Smith County, KSKS3,56652.1+13%

SHOWING 1–105 OF 105

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