Kentucky Population By County in 2024

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2024, the population of Kentucky was 4,588,372. Among all Kentucky counties, Jefferson had the highest population (793,881), followed by Fayette (329,437), and Kenton (174,862). Robertson was the least populated county (2,382).

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 2024
Kentucky Population By County in 2024
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County Population % of State Population
Adair 19239 0.42
Allen 22037 0.48
Anderson 24883 0.54
Ballard 7626 0.17
Barren 45609 0.99
Bath 12951 0.28
Bell 23051 0.50
Boone 144135 3.14
Bourbon 20333 0.44
Boyd 47777 1.04
Boyle 31394 0.68
Bracken 8497 0.19
Breathitt 12804 0.28
Breckinridge 21221 0.46
Bullitt 85802 1.87
Butler 12551 0.27
Caldwell 12611 0.28
Calloway 38975 0.85
Campbell 94008 2.05
Carlisle 4777 0.10
Carroll 11111 0.24
Carter 26098 0.57
Casey 15948 0.35
Christian 71006 1.55
Clark 37673 0.82
Clay 19592 0.43
Clinton 9183 0.20
Crittenden 8982 0.20
Cumberland 6047 0.13
Daviess 104457 2.28
Edmonson 12635 0.28
Elliott 7263 0.16
Estill 14002 0.31
Fayette 329437 7.18
Fleming 15591 0.34
Floyd 34532 0.75
Franklin 52442 1.14
Fulton 6282 0.14
Gallatin 8805 0.19
Garrard 18040 0.39
Grant 25722 0.56
Graves 36821 0.80
Grayson 27070 0.59
Green 11552 0.25
Greenup 35273 0.77
Hancock 9013 0.20
Hardin 112826 2.46
Harlan 25052 0.55
Harrison 19525 0.43
Hart 19923 0.43
Henderson 44175 0.96
Henry 16198 0.35
Hickman 4393 0.10
Hopkins 45218 0.99
Jackson 13358 0.29
Jefferson 793881 17.30
Jessamine 56495 1.23
Johnson 22098 0.48
Kenton 174862 3.81
Knott 13438 0.29
Knox 29657 0.65
Larue 15128 0.33
Laurel 63353 1.38
Lawrence 15798 0.34
Lee 7313 0.16
Leslie 9729 0.21
Letcher 20139 0.44
Lewis 12875 0.28
Lincoln 24910 0.54
Livingston 8815 0.19
Logan 28467 0.62
Lyon 9078 0.20
McCracken 67550 1.47
McCreary 16824 0.37
McLean 9126 0.20
Madison 99582 2.17
Magoffin 11118 0.24
Marion 19851 0.43
Marshall 31734 0.69
Martin 10696 0.23
Mason 16956 0.37
Meade 30442 0.66
Menifee 6341 0.14
Mercer 23515 0.51
Metcalfe 10558 0.23
Monroe 11163 0.24
Montgomery 28771 0.63
Morgan 14300 0.31
Muhlenberg 30512 0.67
Nelson 48706 1.06
Nicholas 7816 0.17
Ohio 23933 0.52
Oldham 70525 1.54
Owen 11435 0.25
Owsley 3928 0.09
Pendleton 14844 0.32
Perry 26739 0.58
Pike 55430 1.21
Powell 12928 0.28
Pulaski 66842 1.46
Robertson 2382 0.05
Rockcastle 16226 0.35
Rowan 24675 0.54
Russell 18458 0.40
Scott 61700 1.35
Shelby 50124 1.09
Simpson 20350 0.44
Spencer 20823 0.45
Taylor 26809 0.58
Todd 12757 0.28
Trigg 14559 0.32
Trimble 8591 0.19
Union 13178 0.29
Warren 147936 3.22
Washington 12269 0.27
Wayne 19629 0.43
Webster 12854 0.28
Whitley 37233 0.81
Wolfe 6364 0.14
Woodford 27728 0.60