Kentucky Population By County in 2012

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the population of Kentucky was 4,387,865. Among all Kentucky counties, Jefferson[object Promise] had the highest population (751,802), followed by Fayette[object Promise] (306,062), and Kenton[object Promise] (161,774). Robertson[object Promise] was the least populated county (2,218).

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 2012
Kentucky Population By County in 2012
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County Population % of State Population
Adair 18939 0.43
Allen 20220 0.46
Anderson 21702 0.50
Ballard 8274 0.19
Barren 42610 0.97
Bath 11783 0.27
Bell 28288 0.65
Boone 123456 2.81
Bourbon 20050 0.46
Boyd 49238 1.12
Boyle 29026 0.66
Bracken 8464 0.19
Breathitt 13608 0.31
Breckinridge 20079 0.46
Bullitt 75906 1.73
Butler 12745 0.29
Caldwell 12988 0.30
Calloway 38065 0.87
Campbell 91659 2.09
Carlisle 5028 0.12
Carroll 10877 0.25
Carter 27633 0.63
Casey 16029 0.37
Christian 74975 1.71
Clark 35694 0.81
Clay 21530 0.49
Clinton 10282 0.23
Crittenden 9222 0.21
Cumberland 6849 0.16
Daviess 97871 2.23
Edmonson 12106 0.28
Elliott 7633 0.17
Estill 14512 0.33
Fayette 306062 6.98
Fleming 14527 0.33
Floyd 39142 0.89
Franklin 49455 1.13
Fulton 6557 0.15
Gallatin 8551 0.20
Garrard 17008 0.39
Grant 24522 0.56
Graves 37566 0.86
Grayson 25797 0.59
Green 11304 0.26
Greenup 36698 0.84
Hancock 8645 0.20
Hardin 108280 2.47
Harlan 28686 0.65
Harrison 18612 0.42
Hart 18399 0.42
Henderson 46436 1.06
Henry 15335 0.35
Hickman 4747 0.11
Hopkins 46618 1.06
Jackson 13303 0.30
Jefferson 751802 17.13
Jessamine 49469 1.13
Johnson 23419 0.53
Kenton 161774 3.69
Knott 16122 0.37
Knox 31493 0.72
Larue 14057 0.32
Laurel 59542 1.36
Lawrence 15881 0.36
Lee 7582 0.17
Leslie 11147 0.25
Letcher 24009 0.55
Lewis 13840 0.32
Lincoln 24412 0.56
Livingston 9438 0.22
Logan 26731 0.61
Lyon 8446 0.19
McCracken 65609 1.50
McCreary 18062 0.41
McLean 9478 0.22
Madison 85418 1.95
Magoffin 13066 0.30
Marion 19929 0.45
Marshall 31264 0.71
Martin 12734 0.29
Mason 17463 0.40
Meade 29257 0.67
Menifee 6337 0.14
Mercer 21333 0.49
Metcalfe 9973 0.23
Monroe 10845 0.25
Montgomery 26870 0.61
Morgan 13538 0.31
Muhlenberg 31387 0.72
Nelson 44401 1.01
Nicholas 7022 0.16
Ohio 24029 0.55
Oldham 62119 1.42
Owen 10762 0.25
Owsley 4685 0.11
Pendleton 14555 0.33
Perry 28296 0.65
Pike 64605 1.47
Powell 12470 0.28
Pulaski 63528 1.45
Robertson 2218 0.05
Rockcastle 17063 0.39
Rowan 23808 0.54
Russell 17648 0.40
Scott 48976 1.12
Shelby 43704 1.00
Simpson 17552 0.40
Spencer 17486 0.40
Taylor 25035 0.57
Todd 12617 0.29
Trigg 14412 0.33
Trimble 8843 0.20
Union 15092 0.34
Warren 117436 2.68
Washington 11813 0.27
Wayne 20816 0.47
Webster 13461 0.31
Whitley 35784 0.82
Wolfe 7197 0.16
Woodford 25114 0.57