Kentucky Population By County in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the population of Kentucky was 4,526,154. Among all Kentucky counties, Jefferson had the highest population (772,144), followed by Fayette (320,154), and Kenton (171,321). Robertson was the least populated county (2,313).

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 2023
Kentucky Population By County in 2023
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County Population % of State Population
Adair 19264 0.43
Allen 21788 0.48
Anderson 24613 0.54
Ballard 7582 0.17
Barren 45008 0.99
Bath 12975 0.29
Bell 23317 0.52
Boone 140496 3.10
Bourbon 20134 0.45
Boyd 47826 1.06
Boyle 30988 0.69
Bracken 8426 0.19
Breathitt 12953 0.29
Breckinridge 21124 0.47
Bullitt 84863 1.88
Butler 12375 0.27
Caldwell 12551 0.28
Calloway 38280 0.85
Campbell 93702 2.07
Carlisle 4704 0.10
Carroll 10987 0.24
Carter 26366 0.58
Casey 15918 0.35
Christian 72032 1.59
Clark 37304 0.82
Clay 19648 0.43
Clinton 9148 0.20
Crittenden 8974 0.20
Cumberland 6000 0.13
Daviess 103458 2.29
Edmonson 12448 0.28
Elliott 7245 0.16
Estill 13936 0.31
Fayette 320154 7.07
Fleming 15442 0.34
Floyd 34423 0.76
Franklin 51644 1.14
Fulton 6338 0.14
Gallatin 8792 0.19
Garrard 17829 0.39
Grant 25619 0.57
Graves 36461 0.81
Grayson 26825 0.59
Green 11468 0.25
Greenup 35221 0.78
Hancock 8920 0.20
Hardin 112273 2.48
Harlan 25324 0.56
Harrison 19415 0.43
Hart 19724 0.44
Henderson 44119 0.98
Henry 15973 0.35
Hickman 4447 0.10
Hopkins 44929 0.99
Jackson 13104 0.29
Jefferson 772144 17.06
Jessamine 55017 1.22
Johnson 22116 0.49
Kenton 171321 3.79
Knott 13659 0.30
Knox 29794 0.66
Larue 15303 0.34
Laurel 63296 1.40
Lawrence 16000 0.35
Lee 7293 0.16
Leslie 9864 0.22
Letcher 20423 0.45
Lewis 12973 0.29
Lincoln 24776 0.55
Livingston 8892 0.20
Logan 28283 0.63
Lyon 9187 0.20
McCracken 67428 1.49
McCreary 17050 0.38
McLean 9054 0.20
Madison 96735 2.14
Magoffin 11228 0.25
Marion 19834 0.44
Marshall 31744 0.70
Martin 10928 0.24
Mason 16841 0.37
Meade 30131 0.67
Menifee 6286 0.14
Mercer 23097 0.51
Metcalfe 10482 0.23
Monroe 11306 0.25
Montgomery 28527 0.63
Morgan 14283 0.32
Muhlenberg 30568 0.68
Nelson 47730 1.06
Nicholas 7686 0.17
Ohio 23626 0.52
Oldham 70183 1.55
Owen 11313 0.25
Owsley 4001 0.09
Pendleton 14810 0.33
Perry 27133 0.60
Pike 55973 1.24
Powell 12972 0.29
Pulaski 66191 1.46
Robertson 2313 0.05
Rockcastle 16190 0.36
Rowan 24409 0.54
Russell 18279 0.40
Scott 60168 1.33
Shelby 49515 1.09
Simpson 20195 0.45
Spencer 20531 0.45
Taylor 26443 0.58
Todd 12494 0.28
Trigg 14369 0.32
Trimble 8607 0.19
Union 13106 0.29
Warren 142229 3.14
Washington 12267 0.27
Wayne 19580 0.43
Webster 12726 0.28
Whitley 36825 0.81
Wolfe 6282 0.14
Woodford 27268 0.60