Kentucky Counties by Population (2025)

by Kristen Carney Kristen Carney

Updated: August 7, 2025

The most populous counties in Kentucky are Jefferson County with 793,881, Fayette County at 329,437, Kenton County with 174,862, Warren County at 147,936, and Boone County with 144,135. You can get the most current Census population data for all 120 Kentucky counties, sorted from the most populous counties in Kentucky to the least, according to the 2024 Population Estimates Program.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Kentucky counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

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Rank County Population
1 Jefferson County 793,881
2 Fayette County 329,437
3 Kenton County 174,862
4 Warren County 147,936
5 Boone County 144,135
6 Hardin County 112,826
7 Daviess County 104,457
8 Madison County 99,582
9 Campbell County 94,008
10 Bullitt County 85,802
11 Christian County 71,006
12 Oldham County 70,525
13 McCracken County 67,550
14 Pulaski County 66,842
15 Laurel County 63,353
16 Scott County 61,700
17 Jessamine County 56,495
18 Pike County 55,430
19 Franklin County 52,442
20 Shelby County 50,124
21 Nelson County 48,706
22 Boyd County 47,777
23 Barren County 45,609
24 Hopkins County 45,218
25 Henderson County 44,175
26 Calloway County 38,975
27 Clark County 37,673
28 Whitley County 37,233
29 Graves County 36,821
30 Greenup County 35,273
31 Floyd County 34,532
32 Marshall County 31,734
33 Boyle County 31,394
34 Muhlenberg County 30,512
35 Meade County 30,442
36 Knox County 29,657
37 Montgomery County 28,771
38 Logan County 28,467
39 Woodford County 27,728
40 Grayson County 27,070
41 Taylor County 26,809
42 Perry County 26,739
43 Carter County 26,098
44 Grant County 25,722
45 Harlan County 25,052
46 Lincoln County 24,910
47 Anderson County 24,883
48 Rowan County 24,675
49 Ohio County 23,933
50 Mercer County 23,515
51 Bell County 23,051
52 Johnson County 22,098
53 Allen County 22,037
54 Breckinridge County 21,221
55 Spencer County 20,823
56 Simpson County 20,350
57 Bourbon County 20,333
58 Letcher County 20,139
59 Hart County 19,923
60 Marion County 19,851
61 Wayne County 19,629
62 Clay County 19,592
63 Harrison County 19,525
64 Adair County 19,239
65 Russell County 18,458
66 Garrard County 18,040
67 Mason County 16,956
68 McCreary County 16,824
69 Rockcastle County 16,226
70 Henry County 16,198
71 Casey County 15,948
72 Lawrence County 15,798
73 Fleming County 15,591
74 Larue County 15,128
75 Pendleton County 14,844
76 Trigg County 14,559
77 Morgan County 14,300
78 Estill County 14,002
79 Knott County 13,438
80 Jackson County 13,358
81 Union County 13,178
82 Bath County 12,951
83 Powell County 12,928
84 Lewis County 12,875
85 Webster County 12,854
86 Breathitt County 12,804
87 Todd County 12,757
88 Edmonson County 12,635
89 Caldwell County 12,611
90 Butler County 12,551
91 Washington County 12,269
92 Green County 11,552
93 Owen County 11,435
94 Monroe County 11,163
95 Magoffin County 11,118
96 Carroll County 11,111
97 Martin County 10,696
98 Metcalfe County 10,558
99 Leslie County 9,729
100 Clinton County 9,183
101 McLean County 9,126
102 Lyon County 9,078
103 Hancock County 9,013
104 Crittenden County 8,982
105 Livingston County 8,815
106 Gallatin County 8,805
107 Trimble County 8,591
108 Bracken County 8,497
109 Nicholas County 7,816
110 Ballard County 7,626
111 Lee County 7,313
112 Elliott County 7,263
113 Wolfe County 6,364
114 Menifee County 6,341
115 Fulton County 6,282
116 Cumberland County 6,047
117 Carlisle County 4,777
118 Hickman County 4,393
119 Owsley County 3,928
120 Robertson County 2,382

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2024. Population Division. May 2025.

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