RANKING · 1990 CENSUS · 120 SHOWN OF 120

Largest by population, Kentucky counties · 1990

The most populous Kentucky counties as of the 1990 population estimates. This list covers the 120 counties in Kentucky that qualify, ranked against each other statewide. The median across all 120 is 16,248.

KentuckyAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS –

01Jefferson County, KYKY664,937–

02Fayette County, KYKY225,366–

03Kenton County, KYKY142,031–

04Hardin County, KYKY89,240–

05Daviess County, KYKY87,189–

06Campbell County, KYKY83,866–

07Warren County, KYKY76,673–

08Pike County, KYKY72,583–

09Christian County, KYKY68,941–

10McCracken County, KYKY62,879–

11Boone County, KYKY57,589–

12Madison County, KYKY57,508–

13Boyd County, KYKY51,150–

14Pulaski County, KYKY49,489–

15Bullitt County, KYKY47,567–

16Hopkins County, KYKY46,126–

17Franklin County, KYKY43,781–

18Floyd County, KYKY43,586–

19Laurel County, KYKY43,438–

20Henderson County, KYKY43,044–

21Greenup County, KYKY36,742–

22Harlan County, KYKY36,574–

23Barren County, KYKY34,001–

24Graves County, KYKY33,550–

25Whitley County, KYKY33,326–

26Oldham County, KYKY33,263–

27Bell County, KYKY31,506–

28Muhlenberg County, KYKY31,318–

29Calloway County, KYKY30,735–

30Jessamine County, KYKY30,508–

31Perry County, KYKY30,283–

32Nelson County, KYKY29,710–

33Knox County, KYKY29,676–

34Clark County, KYKY29,496–

35Marshall County, KYKY27,205–

36Letcher County, KYKY27,000–

37Boyle County, KYKY25,641–

38Shelby County, KYKY24,824–

39Logan County, KYKY24,416–

40Carter County, KYKY24,340–

41Meade County, KYKY24,170–

42Scott County, KYKY23,867–

43Johnson County, KYKY23,248–

44Clay County, KYKY21,746–

45Taylor County, KYKY21,146–

46Ohio County, KYKY21,105–

47Grayson County, KYKY21,050–

48Rowan County, KYKY20,353–

49Lincoln County, KYKY20,045–

50Woodford County, KYKY19,955–

51Montgomery County, KYKY19,561–

52Bourbon County, KYKY19,236–

53Mercer County, KYKY19,148–

54Knott County, KYKY17,906–

55Wayne County, KYKY17,468–

56Mason County, KYKY16,666–

57Union County, KYKY16,557–

58Marion County, KYKY16,499–

59Breckinridge County, KYKY16,312–

60Harrison County, KYKY16,248–

61Grant County, KYKY15,737–

62Breathitt County, KYKY15,703–

63McCreary County, KYKY15,603–

64Adair County, KYKY15,360–

65Simpson County, KYKY15,145–

66Hart County, KYKY14,890–

67Rockcastle County, KYKY14,803–

68Russell County, KYKY14,716–

69Allen County, KYKY14,628–

70Estill County, KYKY14,614–

71Anderson County, KYKY14,571–

72Casey County, KYKY14,211–

73Lawrence County, KYKY13,998–

74Webster County, KYKY13,955–

75Leslie County, KYKY13,642–

76Caldwell County, KYKY13,232–

77Magoffin County, KYKY13,077–

78Lewis County, KYKY13,029–

79Henry County, KYKY12,823–

80Martin County, KYKY12,526–

81Fleming County, KYKY12,292–

82Pendleton County, KYKY12,036–

83Jackson County, KYKY11,955–

84Powell County, KYKY11,686–

85Larue County, KYKY11,679–

86Morgan County, KYKY11,648–

87Garrard County, KYKY11,579–

88Monroe County, KYKY11,401–

89Butler County, KYKY11,245–

90Todd County, KYKY10,940–

91Washington County, KYKY10,441–

92Green County, KYKY10,371–

93Trigg County, KYKY10,361–

94Edmonson County, KYKY10,357–

95Bath County, KYKY9,692–

96McLean County, KYKY9,628–

97Carroll County, KYKY9,292–

98Crittenden County, KYKY9,196–

99Clinton County, KYKY9,135–

100Livingston County, KYKY9,062–

101Owen County, KYKY9,035–

102Metcalfe County, KYKY8,963–

103Fulton County, KYKY8,271–

104Ballard County, KYKY7,902–

105Hancock County, KYKY7,864–

106Bracken County, KYKY7,766–

107Lee County, KYKY7,422–

108Spencer County, KYKY6,801–

109Cumberland County, KYKY6,784–

110Nicholas County, KYKY6,725–

111Lyon County, KYKY6,624–

112Wolfe County, KYKY6,503–

113Elliott County, KYKY6,455–

114Trimble County, KYKY6,090–

115Hickman County, KYKY5,566–

116Gallatin County, KYKY5,393–

117Carlisle County, KYKY5,238–

118Menifee County, KYKY5,092–

119Owsley County, KYKY5,036–

120Robertson County, KYKY2,124–

SHOWING 1–120 OF 120

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