Kentucky Population By County in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the population of Kentucky was 4,455,590. Among all Kentucky counties, Jefferson had the highest population (770,383), followed by Fayette (321,554), and Kenton (165,835). Robertson was the least populated county (2,127).

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 2017
Kentucky Population By County in 2017
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County Population % of State Population
Adair 19311 0.43
Allen 20891 0.47
Anderson 22553 0.51
Ballard 8002 0.18
Barren 43787 0.98
Bath 12393 0.28
Bell 26865 0.60
Boone 131151 2.94
Bourbon 20088 0.45
Boyd 47867 1.07
Boyle 29992 0.67
Bracken 8284 0.19
Breathitt 12922 0.29
Breckinridge 20131 0.45
Bullitt 80309 1.80
Butler 12792 0.29
Caldwell 12660 0.28
Calloway 38841 0.87
Campbell 93366 2.10
Carlisle 4785 0.11
Carroll 10720 0.24
Carter 27216 0.61
Casey 15836 0.36
Christian 71293 1.60
Clark 35941 0.81
Clay 20264 0.46
Clinton 10214 0.23
Crittenden 9011 0.20
Cumberland 6706 0.15
Daviess 100508 2.26
Edmonson 12248 0.28
Elliott 7490 0.17
Estill 14186 0.32
Fayette 321554 7.22
Fleming 14439 0.32
Floyd 36301 0.82
Franklin 50564 1.14
Fulton 6151 0.14
Gallatin 8716 0.20
Garrard 17452 0.39
Grant 24998 0.56
Graves 37160 0.83
Grayson 26281 0.59
Green 11060 0.25
Greenup 35542 0.80
Hancock 8786 0.20
Hardin 108314 2.43
Harlan 26687 0.60
Harrison 18737 0.42
Hart 18737 0.42
Henderson 45915 1.03
Henry 15979 0.36
Hickman 4531 0.10
Hopkins 45303 1.02
Jackson 13418 0.30
Jefferson 770383 17.29
Jessamine 53274 1.20
Johnson 22618 0.51
Kenton 165835 3.72
Knott 15243 0.34
Knox 31461 0.71
Larue 14204 0.32
Laurel 60343 1.35
Lawrence 15757 0.35
Lee 6860 0.15
Leslie 10323 0.23
Letcher 22297 0.50
Lewis 13369 0.30
Lincoln 24500 0.55
Livingston 9249 0.21
Logan 27017 0.61
Lyon 8293 0.19
McCracken 65420 1.47
McCreary 17421 0.39
McLean 9202 0.21
Madison 91259 2.05
Magoffin 12525 0.28
Marion 19284 0.43
Marshall 31324 0.70
Martin 11504 0.26
Mason 17221 0.39
Meade 28054 0.63
Menifee 6465 0.14
Mercer 21557 0.48
Metcalfe 10085 0.23
Monroe 10594 0.24
Montgomery 27954 0.63
Morgan 13263 0.30
Muhlenberg 30944 0.69
Nelson 45606 1.02
Nicholas 7172 0.16
Ohio 24137 0.54
Oldham 66606 1.50
Owen 10794 0.24
Owsley 4404 0.10
Pendleton 14609 0.33
Perry 26605 0.60
Pike 58958 1.32
Powell 12284 0.28
Pulaski 64377 1.45
Robertson 2127 0.05
Rockcastle 16780 0.38
Rowan 24546 0.55
Russell 17721 0.40
Scott 54820 1.23
Shelby 47216 1.06
Simpson 18048 0.41
Spencer 18583 0.42
Taylor 25517 0.57
Todd 12203 0.27
Trigg 14426 0.32
Trimble 8535 0.19
Union 14656 0.33
Warren 129232 2.90
Washington 11871 0.27
Wayne 20621 0.46
Webster 13012 0.29
Whitley 36135 0.81
Wolfe 7264 0.16
Woodford 26375 0.59