Kentucky Population By County in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the population of Kentucky was 4,472,345. Among all Kentucky counties, Jefferson had the highest population (767,785), followed by Fayette (323,922), and Kenton (167,333). Robertson was the least populated county (2,149).

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 2019
Kentucky Population By County in 2019
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County Population % of State Population
Adair 19472 0.44
Allen 21320 0.48
Anderson 22700 0.51
Ballard 7817 0.18
Barren 44185 0.99
Bath 12532 0.28
Bell 26026 0.58
Boone 133670 2.99
Bourbon 19774 0.44
Boyd 46839 1.05
Boyle 30000 0.67
Bracken 8330 0.19
Breathitt 12612 0.28
Breckinridge 20471 0.46
Bullitt 81803 1.83
Butler 12861 0.29
Caldwell 12731 0.28
Calloway 39073 0.87
Campbell 93841 2.10
Carlisle 4721 0.11
Carroll 10658 0.24
Carter 26766 0.60
Casey 16204 0.36
Christian 71577 1.60
Clark 36280 0.81
Clay 19912 0.45
Clinton 10200 0.23
Crittenden 8807 0.20
Cumberland 6626 0.15
Daviess 101555 2.27
Edmonson 12149 0.27
Elliott 7485 0.17
Estill 14143 0.32
Fayette 323922 7.24
Fleming 14574 0.33
Floyd 35515 0.79
Franklin 50887 1.14
Fulton 5989 0.13
Gallatin 8842 0.20
Garrard 17684 0.40
Grant 25120 0.56
Graves 37170 0.83
Grayson 26435 0.59
Green 10949 0.25
Greenup 35164 0.79
Hancock 8716 0.20
Hardin 110970 2.48
Harlan 25960 0.58
Harrison 18838 0.42
Hart 19014 0.43
Henderson 45276 1.01
Henry 16063 0.36
Hickman 4365 0.10
Hopkins 44660 1.00
Jackson 13316 0.30
Jefferson 767785 17.17
Jessamine 54012 1.21
Johnson 22188 0.50
Kenton 167333 3.74
Knott 14861 0.33
Knox 31151 0.70
Larue 14393 0.32
Laurel 60842 1.36
Lawrence 15395 0.34
Lee 7390 0.17
Leslie 9880 0.22
Letcher 21560 0.48
Lewis 13309 0.30
Lincoln 24519 0.55
Livingston 9148 0.21
Logan 27111 0.61
Lyon 8256 0.19
McCracken 65622 1.47
McCreary 17260 0.39
McLean 9162 0.21
Madison 93099 2.08
Magoffin 12184 0.27
Marion 19237 0.43
Marshall 31113 0.70
Martin 11258 0.25
Mason 17049 0.38
Meade 28610 0.64
Menifee 6483 0.14
Mercer 21921 0.49
Metcalfe 10084 0.23
Monroe 10654 0.24
Montgomery 28197 0.63
Morgan 13297 0.30
Muhlenberg 30681 0.69
Nelson 46221 1.03
Nicholas 7248 0.16
Ohio 24043 0.54
Oldham 66818 1.49
Owen 10884 0.24
Owsley 4413 0.10
Pendleton 14566 0.33
Perry 25801 0.58
Pike 57919 1.30
Powell 12303 0.28
Pulaski 65243 1.46
Robertson 2149 0.05
Rockcastle 16736 0.37
Rowan 24519 0.55
Russell 17944 0.40
Scott 57079 1.28
Shelby 49022 1.10
Simpson 18530 0.41
Spencer 19302 0.43
Taylor 25735 0.57
Todd 12318 0.28
Trigg 14666 0.33
Trimble 8529 0.19
Union 14497 0.32
Warren 132759 2.97
Washington 12098 0.27
Wayne 20278 0.45
Webster 12945 0.29
Whitley 36362 0.81
Wolfe 7151 0.16
Woodford 26654 0.60