RANKING · 2025 ESTIMATES · 120 SHOWN OF 120

Largest by population, Kentucky counties

The most populous Kentucky counties as of the 2025 population 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 population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Jefferson County, KYKY795,222+15%

02Fayette County, KYKY329,751+27%

03Kenton County, KYKY175,779+16%

04Warren County, KYKY149,375+61%

05Boone County, KYKY145,316+69%

06Hardin County, KYKY113,482+21%

07Daviess County, KYKY104,898+15%

08Madison County, KYKY101,696+43%

09Campbell County, KYKY95,441+8%

10Bullitt County, KYKY86,454+41%

11Oldham County, KYKY70,986+54%

12Christian County, KYKY70,115−3%

13McCracken County, KYKY67,553+3%

14Pulaski County, KYKY67,384+20%

15Laurel County, KYKY63,746+21%

16Scott County, KYKY62,262+88%

17Jessamine County, KYKY57,147+46%

18Pike County, KYKY54,721−20%

19Franklin County, KYKY52,649+10%

20Shelby County, KYKY51,243+54%

21Nelson County, KYKY49,036+31%

22Boyd County, KYKY47,751−4%

23Barren County, KYKY45,641+20%

24Hopkins County, KYKY45,127−3%

25Henderson County, KYKY44,255−1%

26Calloway County, KYKY39,421+15%

27Clark County, KYKY37,888+14%

28Whitley County, KYKY37,297+4%

29Graves County, KYKY37,050+0%

30Greenup County, KYKY35,213−5%

31Floyd County, KYKY34,401−19%

32Marshall County, KYKY31,659+5%

33Boyle County, KYKY31,632+14%

34Meade County, KYKY30,699+17%

35Muhlenberg County, KYKY30,634−4%

36Knox County, KYKY29,532−7%

37Montgomery County, KYKY28,822+28%

38Logan County, KYKY28,669+8%

39Woodford County, KYKY27,883+20%

40Grayson County, KYKY27,406+14%

41Taylor County, KYKY26,763+17%

42Perry County, KYKY26,555−10%

43Grant County, KYKY26,181+17%

44Carter County, KYKY26,149−3%

45Lincoln County, KYKY25,353+9%

46Anderson County, KYKY25,225+32%

47Harlan County, KYKY24,725−26%

48Rowan County, KYKY24,476+11%

49Ohio County, KYKY23,934+4%

50Mercer County, KYKY23,733+14%

51Bell County, KYKY22,829−24%

52Allen County, KYKY22,536+27%

53Johnson County, KYKY22,051−6%

54Breckinridge County, KYKY21,503+15%

55Spencer County, KYKY20,998+78%

56Simpson County, KYKY20,788+27%

57Bourbon County, KYKY20,243+5%

58Hart County, KYKY20,117+15%

59Marion County, KYKY20,115+10%

60Letcher County, KYKY19,952−21%

61Harrison County, KYKY19,627+9%

62Wayne County, KYKY19,597−2%

63Clay County, KYKY19,465−21%

64Adair County, KYKY19,423+13%

65Russell County, KYKY18,608+14%

66Garrard County, KYKY18,207+23%

67McCreary County, KYKY17,124+0%

68Mason County, KYKY16,936+1%

69Henry County, KYKY16,447+9%

70Casey County, KYKY16,205+5%

71Rockcastle County, KYKY16,148−3%

72Fleming County, KYKY15,787+14%

73Lawrence County, KYKY15,765+1%

74Larue County, KYKY15,184+14%

75Pendleton County, KYKY14,800+3%

76Trigg County, KYKY14,512+15%

77Morgan County, KYKY14,415+3%

78Estill County, KYKY13,962−9%

79Jackson County, KYKY13,325−1%

80Knott County, KYKY13,321−25%

81Bath County, KYKY13,176+19%

82Todd County, KYKY12,972+8%

83Webster County, KYKY12,929−8%

84Lewis County, KYKY12,901−8%

85Union County, KYKY12,839−18%

86Powell County, KYKY12,812−3%

87Edmonson County, KYKY12,749+9%

88Caldwell County, KYKY12,609−3%

89Breathitt County, KYKY12,558−22%

90Butler County, KYKY12,520−4%

91Washington County, KYKY12,368+13%

92Green County, KYKY11,644+1%

93Owen County, KYKY11,601+10%

94Monroe County, KYKY11,191−5%

95Carroll County, KYKY11,141+10%

96Magoffin County, KYKY11,110−17%

97Martin County, KYKY10,697−15%

98Metcalfe County, KYKY10,583+5%

99Leslie County, KYKY9,627−22%

100Clinton County, KYKY9,139−5%

101Lyon County, KYKY9,123+13%

102McLean County, KYKY9,064−9%

103Hancock County, KYKY9,050+8%

104Livingston County, KYKY8,863−10%

105Gallatin County, KYKY8,840+12%

106Crittenden County, KYKY8,807−6%

107Trimble County, KYKY8,701+7%

108Bracken County, KYKY8,511+3%

109Nicholas County, KYKY7,949+17%

110Ballard County, KYKY7,594−8%

111Lee County, KYKY7,297−8%

112Elliott County, KYKY7,265+8%

113Menifee County, KYKY6,430−2%

114Wolfe County, KYKY6,298−11%

115Fulton County, KYKY6,218−20%

116Cumberland County, KYKY5,992−16%

117Carlisle County, KYKY4,747−11%

118Hickman County, KYKY4,372−17%

119Owsley County, KYKY3,932−19%

120Robertson County, KYKY2,325+3%

SHOWING 1–120 OF 120

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES