Kentucky Population By County in 2022

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2022, the population of Kentucky was 4,511,563. Among all Kentucky counties, Jefferson had the highest population (773,095), followed by Fayette (320,281), and Kenton (170,280). Robertson was the least populated county (2,247).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Kentucky Population By County in 2022
Kentucky Population By County in 2022
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County Population % of State Population
Adair 19097 0.42
Allen 21283 0.47
Anderson 24273 0.54
Ballard 7642 0.17
Barren 44872 1.00
Bath 12828 0.28
Bell 23611 0.52
Boone 139045 3.08
Bourbon 20109 0.45
Boyd 48059 1.07
Boyle 30851 0.68
Bracken 8435 0.19
Breathitt 13358 0.30
Breckinridge 20961 0.47
Bullitt 83774 1.86
Butler 12365 0.27
Caldwell 12608 0.28
Calloway 38093 0.84
Campbell 93272 2.07
Carlisle 4719 0.11
Carroll 10939 0.24
Carter 26343 0.58
Casey 15911 0.35
Christian 72286 1.60
Clark 36992 0.82
Clay 19874 0.44
Clinton 9139 0.20
Crittenden 8991 0.20
Cumberland 5969 0.13
Daviess 103189 2.29
Edmonson 12302 0.27
Elliott 7292 0.16
Estill 14024 0.31
Fayette 320281 7.10
Fleming 15278 0.34
Floyd 34918 0.77
Franklin 51548 1.14
Fulton 6371 0.14
Gallatin 8773 0.19
Garrard 17566 0.39
Grant 25474 0.56
Graves 36493 0.81
Grayson 26643 0.59
Green 11392 0.25
Greenup 35375 0.78
Hancock 9027 0.20
Hardin 111743 2.48
Harlan 25652 0.57
Harrison 19105 0.42
Hart 19594 0.43
Henderson 44032 0.98
Henry 15760 0.35
Hickman 4434 0.10
Hopkins 44926 1.00
Jackson 12989 0.29
Jefferson 773095 17.14
Jessamine 54236 1.20
Johnson 22235 0.49
Kenton 170280 3.77
Knott 13847 0.31
Knox 29773 0.66
Larue 15150 0.34
Laurel 62879 1.39
Lawrence 16097 0.36
Lee 7273 0.16
Leslie 10049 0.22
Letcher 20827 0.46
Lewis 12937 0.29
Lincoln 24419 0.54
Livingston 8968 0.20
Logan 27856 0.62
Lyon 9099 0.20
McCracken 67366 1.49
McCreary 16783 0.37
McLean 9107 0.20
Madison 95151 2.11
Magoffin 11348 0.25
Marion 19748 0.44
Marshall 31790 0.71
Martin 11096 0.25
Mason 16903 0.38
Meade 30010 0.67
Menifee 6236 0.14
Mercer 22900 0.51
Metcalfe 10408 0.23
Monroe 11353 0.25
Montgomery 28357 0.63
Morgan 14146 0.31
Muhlenberg 30696 0.68
Nelson 47359 1.05
Nicholas 7786 0.17
Ohio 23496 0.52
Oldham 69444 1.54
Owen 11294 0.25
Owsley 3958 0.09
Pendleton 14703 0.33
Perry 27367 0.61
Pike 56317 1.25
Powell 13041 0.29
Pulaski 65767 1.46
Robertson 2247 0.05
Rockcastle 16225 0.36
Rowan 24372 0.54
Russell 18185 0.40
Scott 59077 1.31
Shelby 48842 1.08
Simpson 19948 0.44
Spencer 20212 0.45
Taylor 26396 0.59
Todd 12394 0.28
Trigg 14348 0.32
Trimble 8527 0.19
Union 13104 0.29
Warren 140046 3.10
Washington 12060 0.27
Wayne 19634 0.44
Webster 12739 0.28
Whitley 36908 0.82
Wolfe 6416 0.14
Woodford 27053 0.60