Kentucky Counties by Population (2026)

by Kristen Carney

Updated: February 9, 2026

The most populous counties in Kentucky are Jefferson County with 783,022, Fayette County at 323,725, Kenton County with 171,288, Warren County at 140,918, and Boone County with 139,841. 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 American Community Survey.

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 783,022
2 Fayette County 323,725
3 Kenton County 171,288
4 Warren County 140,918
5 Boone County 139,841
6 Hardin County 111,942
7 Daviess County 103,648
8 Madison County 95,769
9 Campbell County 93,426
10 Bullitt County 84,027
11 Christian County 72,069
12 Oldham County 69,257
13 McCracken County 67,564
14 Pulaski County 65,897
15 Laurel County 62,983
16 Scott County 59,536
17 Pike County 56,727
18 Jessamine County 54,588
19 Franklin County 51,842
20 Shelby County 49,096
21 Boyd County 47,911
22 Nelson County 47,606
23 Hopkins County 45,119
24 Barren County 44,938
25 Henderson County 44,280
26 Calloway County 38,224
27 Clark County 37,192
28 Whitley County 36,920
29 Graves County 36,630
30 Greenup County 35,501
31 Floyd County 35,224
32 Marshall County 31,743
33 Boyle County 30,941
34 Muhlenberg County 30,591
35 Meade County 30,158
36 Knox County 29,865
37 Montgomery County 28,395
38 Logan County 27,986
39 Perry County 27,499
40 Woodford County 27,279
41 Grayson County 26,707
42 Taylor County 26,397
43 Carter County 26,341
44 Harlan County 25,772
45 Grant County 25,418
46 Rowan County 24,578
47 Lincoln County 24,504
48 Anderson County 24,353
49 Ohio County 23,735
50 Bell County 23,509
51 Mercer County 23,028
52 Johnson County 22,334
53 Allen County 21,293
54 Breckinridge County 20,881
55 Letcher County 20,808
56 Bourbon County 20,240
57 Spencer County 20,193
58 Simpson County 19,972
59 Clay County 19,921
60 Marion County 19,749
61 Hart County 19,603
62 Wayne County 19,602
63 Harrison County 19,140
64 Adair County 19,089
65 Russell County 18,221
66 Garrard County 17,568
67 Mason County 16,956
68 McCreary County 16,867
69 Rockcastle County 16,163
70 Lawrence County 16,077
71 Casey County 15,914
72 Henry County 15,856
73 Fleming County 15,323
74 Larue County 15,107
75 Pendleton County 14,723
76 Trigg County 14,315
77 Morgan County 14,053
78 Estill County 14,035
79 Knott County 13,830
80 Breathitt County 13,276
81 Union County 13,260
82 Jackson County 13,086
83 Powell County 13,038
84 Lewis County 12,965
85 Bath County 12,851
86 Webster County 12,842
87 Caldwell County 12,618
88 Todd County 12,469
89 Butler County 12,393
90 Edmonson County 12,355
91 Washington County 12,140
92 Green County 11,369
93 Magoffin County 11,348
94 Owen County 11,330
95 Monroe County 11,269
96 Martin County 11,027
97 Carroll County 10,954
98 Metcalfe County 10,425
99 Leslie County 10,079
100 Clinton County 9,202
101 McLean County 9,114
102 Hancock County 9,034
103 Crittenden County 8,979
104 Livingston County 8,903
105 Lyon County 8,900
106 Gallatin County 8,769
107 Trimble County 8,550
108 Bracken County 8,444
109 Nicholas County 7,708
110 Ballard County 7,654
111 Lee County 7,339
112 Elliott County 7,307
113 Wolfe County 6,443
114 Fulton County 6,409
115 Menifee County 6,230
116 Cumberland County 5,948
117 Carlisle County 4,762
118 Hickman County 4,439
119 Owsley County 3,971
120 Robertson County 2,283

United States Census Bureau. B01001 SEX BY AGE, 2024 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. January 29, 2026. http://www.census.gov/.

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