RANKING · 2010 CENSUS · 120 SHOWN OF 120

Largest by population, Kentucky counties · 2010

The most populous us counties as of the 2023 estimates. This list covers the 120 counties in Kentucky that qualify, ranked against each other statewide.

KentuckyAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPTOTAL POPULATIONVS 2000

01Jefferson County, KYKY795,222741,096+7%

02Fayette County, KYKY329,751295,803+14%

03Kenton County, KYKY175,779159,720+5%

04Boone County, KYKY145,316118,811+38%

05Warren County, KYKY149,375113,792+23%

06Hardin County, KYKY113,482105,543+12%

07Daviess County, KYKY104,89896,656+6%

08Campbell County, KYKY95,44190,336+2%

09Madison County, KYKY101,69682,916+17%

10Bullitt County, KYKY86,45474,319+21%

11Christian County, KYKY70,11573,955+2%

12McCracken County, KYKY67,55365,565+0%

13Pike County, KYKY54,72165,024−5%

14Pulaski County, KYKY67,38463,063+12%

15Oldham County, KYKY70,98660,316+31%

16Laurel County, KYKY63,74658,849+12%

17Boyd County, KYKY47,75149,542−0%

18Franklin County, KYKY52,64949,285+3%

19Jessamine County, KYKY57,14748,586+24%

20Scott County, KYKY62,26247,173+43%

21Hopkins County, KYKY45,12746,920+1%

22Henderson County, KYKY44,25546,250+3%

23Nelson County, KYKY49,03643,437+16%

24Barren County, KYKY45,64142,173+11%

25Shelby County, KYKY51,24342,074+26%

26Floyd County, KYKY34,40139,451−7%

27Calloway County, KYKY39,42137,191+9%

28Graves County, KYKY37,05037,121+0%

29Greenup County, KYKY35,21336,910+0%

30Whitley County, KYKY37,29735,637−1%

31Clark County, KYKY37,88835,613+7%

32Knox County, KYKY29,53231,883+0%

33Muhlenberg County, KYKY30,63431,499−1%

34Marshall County, KYKY31,65931,448+4%

35Harlan County, KYKY24,72529,278−12%

36Perry County, KYKY26,55528,712−2%

37Bell County, KYKY22,82928,691−5%

38Meade County, KYKY30,69928,602+9%

39Boyle County, KYKY31,63228,432+3%

40Carter County, KYKY26,14927,720+3%

41Logan County, KYKY28,66926,835+1%

42Montgomery County, KYKY28,82226,499+17%

43Grayson County, KYKY27,40625,746+7%

44Woodford County, KYKY27,88324,939+7%

45Lincoln County, KYKY25,35324,742+6%

46Grant County, KYKY26,18124,662+10%

47Letcher County, KYKY19,95224,519−3%

48Taylor County, KYKY26,76324,512+7%

49Ohio County, KYKY23,93423,842+4%

50Johnson County, KYKY22,05123,356−0%

51Rowan County, KYKY24,47623,333+6%

52Clay County, KYKY19,46521,730−12%

53Anderson County, KYKY25,22521,421+12%

54Mercer County, KYKY23,73321,331+2%

55Wayne County, KYKY19,59720,813+4%

56Breckinridge County, KYKY21,50320,059+8%

57Bourbon County, KYKY20,24319,985+3%

58Allen County, KYKY22,53619,956+12%

59Marion County, KYKY20,11519,820+9%

60Harrison County, KYKY19,62718,846+5%

61Adair County, KYKY19,42318,656+8%

62McCreary County, KYKY17,12418,306+7%

63Hart County, KYKY20,11718,199+4%

64Russell County, KYKY18,60817,565+8%

65Mason County, KYKY16,93617,490+4%

66Simpson County, KYKY20,78817,327+6%

67Spencer County, KYKY20,99817,061+45%

68Rockcastle County, KYKY16,14817,056+3%

69Garrard County, KYKY18,20716,912+14%

70Knott County, KYKY13,32116,346−7%

71Casey County, KYKY16,20515,955+3%

72Lawrence County, KYKY15,76515,860+2%

73Henry County, KYKY16,44715,416+2%

74Union County, KYKY12,83915,007−4%

75Pendleton County, KYKY14,80014,877+3%

76Estill County, KYKY13,96214,672−4%

77Fleming County, KYKY15,78714,348+4%

78Trigg County, KYKY14,51214,339+14%

79Larue County, KYKY15,18414,193+6%

80Morgan County, KYKY14,41513,923−0%

81Breathitt County, KYKY12,55813,878−14%

82Lewis County, KYKY12,90113,870−2%

83Webster County, KYKY12,92913,621−4%

84Jackson County, KYKY13,32513,494−0%

85Magoffin County, KYKY11,11013,333+0%

86Caldwell County, KYKY12,60912,984−1%

87Martin County, KYKY10,69712,929+3%

88Butler County, KYKY12,52012,690−2%

89Powell County, KYKY12,81212,613−5%

90Todd County, KYKY12,97212,460+4%

91Edmonson County, KYKY12,74912,161+4%

92Washington County, KYKY12,36811,717+7%

93Bath County, KYKY13,17611,591+5%

94Leslie County, KYKY9,62711,310−9%

95Green County, KYKY11,64411,258−2%

96Monroe County, KYKY11,19110,963−7%

97Owen County, KYKY11,60110,841+3%

98Carroll County, KYKY11,14110,811+6%

99Clinton County, KYKY9,13910,272+7%

100Metcalfe County, KYKY10,58310,099+1%

101McLean County, KYKY9,0649,531−4%

102Livingston County, KYKY8,8639,519−3%

103Crittenden County, KYKY8,8079,315−1%

104Trimble County, KYKY8,7018,809+8%

105Gallatin County, KYKY8,8408,589+9%

106Hancock County, KYKY9,0508,565+2%

107Bracken County, KYKY8,5118,488+3%

108Lyon County, KYKY9,1238,314+3%

109Ballard County, KYKY7,5948,249−0%

110Lee County, KYKY7,2977,887−0%

111Elliott County, KYKY7,2657,852+16%

112Wolfe County, KYKY6,2987,355+4%

113Nicholas County, KYKY7,9497,135+5%

114Cumberland County, KYKY5,9926,856−4%

115Fulton County, KYKY6,2186,813−12%

116Menifee County, KYKY6,4306,306−4%

117Carlisle County, KYKY4,7475,104−5%

118Hickman County, KYKY4,3724,902−7%

119Owsley County, KYKY3,9324,755−2%

120Robertson County, KYKY2,3252,282+1%

SHOWING 1–120 OF 120

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES