RANKING · 2010 CENSUS · 120 SHOWN OF 120

Youngest by median age, Kentucky counties · 2010

Kentucky counties with the youngest median age (2010 ACS). This list covers the 120 counties in Kentucky that qualify, ranked against each other statewide. The median across all 120 is 40.1.

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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

01Christian County, KYKY70,11528.9+4%

02Rowan County, KYKY24,47631.7+6%

03Warren County, KYKY149,37532.7+1%

04Fayette County, KYKY329,75133.7+2%

05Madison County, KYKY101,69633.7+10%

06Calloway County, KYKY39,42134.0−1%

07Scott County, KYKY62,26235.0+8%

08Hardin County, KYKY113,48235.0+4%

09Meade County, KYKY30,69935.0+9%

10Grant County, KYKY26,18135.3+8%

11Boone County, KYKY145,31635.7+7%

12Jessamine County, KYKY57,14735.8+9%

13Kenton County, KYKY175,77936.0+4%

14Union County, KYKY12,83936.3+5%

15Campbell County, KYKY95,44137.0+5%

16Todd County, KYKY12,97237.1+3%

17Martin County, KYKY10,69737.3+9%

18Gallatin County, KYKY8,84037.4+8%

19Carroll County, KYKY11,14137.6+5%

20Nelson County, KYKY49,03637.7+8%

21Clay County, KYKY19,46537.7+9%

22Marion County, KYKY20,11537.8+7%

23Jefferson County, KYKY795,22237.9+3%

24McCreary County, KYKY17,12437.9+11%

25Montgomery County, KYKY28,82238.0+6%

26Whitley County, KYKY37,29738.1+8%

27Bullitt County, KYKY86,45438.2+11%

28Shelby County, KYKY51,24338.3+7%

29Laurel County, KYKY63,74638.4+8%

30Anderson County, KYKY25,22538.4+8%

31Knox County, KYKY29,53238.5+9%

32Morgan County, KYKY14,41538.6+8%

33Powell County, KYKY12,81238.7+11%

34Daviess County, KYKY104,89838.8+5%

35Spencer County, KYKY20,99838.9+11%

36Adair County, KYKY19,42339.0+6%

37Oldham County, KYKY70,98639.0+6%

38Magoffin County, KYKY11,11039.1+14%

39Ohio County, KYKY23,93439.1+4%

40Bracken County, KYKY8,51139.2+7%

41Allen County, KYKY22,53639.2+8%

42Carter County, KYKY26,14939.3+10%

43Simpson County, KYKY20,78839.3+9%

44Taylor County, KYKY26,76339.4+3%

45Trimble County, KYKY8,70139.5+11%

46Lincoln County, KYKY25,35339.5+10%

47Hancock County, KYKY9,05039.5+10%

48Jackson County, KYKY13,32539.5+13%

49Pendleton County, KYKY14,80039.5+14%

50Barren County, KYKY45,64139.7+4%

51Grayson County, KYKY27,40639.7+6%

52Franklin County, KYKY52,64939.8+8%

53Clark County, KYKY37,88839.8+8%

54Graves County, KYKY37,05039.8+4%

55Henderson County, KYKY44,25539.8+7%

56Bath County, KYKY13,17639.9+7%

57Elliott County, KYKY7,26539.9+8%

58Floyd County, KYKY34,40139.9+9%

59Breathitt County, KYKY12,55840.0+11%

60Butler County, KYKY12,52040.1+10%

61Webster County, KYKY12,92940.1+6%

62Fleming County, KYKY15,78740.1+10%

63Hart County, KYKY20,11740.1+9%

64Lawrence County, KYKY15,76540.1+10%

65Owen County, KYKY11,60140.1+7%

66Logan County, KYKY28,66940.2+9%

67Larue County, KYKY15,18440.2+5%

68Perry County, KYKY26,55540.2+11%

69Lewis County, KYKY12,90140.3+12%

70Mason County, KYKY16,93640.3+6%

71Pike County, KYKY54,72140.3+9%

72Hopkins County, KYKY45,12740.4+5%

73Johnson County, KYKY22,05140.4+8%

74Harlan County, KYKY24,72540.5+7%

75Knott County, KYKY13,32140.5+13%

76Nicholas County, KYKY7,94940.5+5%

77Boyle County, KYKY31,63240.6+10%

78Henry County, KYKY16,44740.6+9%

79Casey County, KYKY16,20540.6+7%

80Menifee County, KYKY6,43040.6+12%

81Rockcastle County, KYKY16,14840.6+12%

82Bourbon County, KYKY20,24340.7+8%

83Washington County, KYKY12,36840.7+10%

84Harrison County, KYKY19,62740.7+10%

85Metcalfe County, KYKY10,58340.7+8%

86Wolfe County, KYKY6,29840.9+12%

87Lee County, KYKY7,29740.9+9%

88Letcher County, KYKY19,95240.9+8%

89Muhlenberg County, KYKY30,63440.9+6%

90Woodford County, KYKY27,88341.0+11%

91Bell County, KYKY22,82941.0+11%

92Wayne County, KYKY19,59741.1+12%

93Leslie County, KYKY9,62741.1+13%

94Pulaski County, KYKY67,38441.1+7%

95Garrard County, KYKY18,20741.2+11%

96Edmonson County, KYKY12,74941.3+9%

97Estill County, KYKY13,96241.3+13%

98McLean County, KYKY9,06441.5+9%

99Breckinridge County, KYKY21,50341.6+8%

100Clinton County, KYKY9,13941.6+7%

101Mercer County, KYKY23,73341.7+9%

102Boyd County, KYKY47,75141.8+5%

103McCracken County, KYKY67,55341.8+7%

104Greenup County, KYKY35,21342.0+7%

105Monroe County, KYKY11,19142.1+10%

106Owsley County, KYKY3,93242.2+10%

107Russell County, KYKY18,60842.2+6%

108Ballard County, KYKY7,59442.4+7%

109Caldwell County, KYKY12,60942.6+3%

110Crittenden County, KYKY8,80742.6+6%

111Green County, KYKY11,64442.6+7%

112Fulton County, KYKY6,21842.8+11%

113Carlisle County, KYKY4,74742.9+9%

114Cumberland County, KYKY5,99243.8+9%

115Robertson County, KYKY2,32543.9+11%

116Trigg County, KYKY14,51244.2+9%

117Marshall County, KYKY31,65944.3+8%

118Hickman County, KYKY4,37244.8+10%

119Livingston County, KYKY8,86344.9+13%

120Lyon County, KYKY9,12347.9+15%

SHOWING 1–120 OF 120

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