Kentucky Citizen Voting-age Population By County in 2020 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for Kentucky was 3,362,355 and represented 75.36% of the total Kentucky population.
Among all Kentucky counties, Jefferson had the highest citizen voting-age population (569.28K), followed by Fayette (235.53K), and Kenton (123.53K).
In terms of percentages, Lyon had the highest percentage of its population being citizens of voting-age (84.74%), followed by Elliott (81.97%), and Edmonson (81.02%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| Jefferson | 569275 | 74.08 |
| Fayette | 235530 | 73.10 |
| Kenton | 123530 | 74.17 |
| Warren | 94720 | 72.40 |
| Boone | 93910 | 70.94 |
| Hardin | 81305 | 74.17 |
| Daviess | 74610 | 73.87 |
| Campbell | 73115 | 78.11 |
| Madison | 71800 | 77.97 |
| Bullitt | 62640 | 77.41 |
| Christian | 51255 | 71.72 |
| McCracken | 50680 | 77.39 |
| Pulaski | 49675 | 76.67 |
| Oldham | 48635 | 73.12 |
| Laurel | 46540 | 76.76 |
| Pike | 46385 | 79.16 |
| Scott | 40955 | 73.19 |
| Jessamine | 39305 | 73.50 |
| Franklin | 38800 | 76.46 |
| Boyd | 36935 | 77.99 |
| Shelby | 35250 | 73.29 |
| Henderson | 34855 | 76.52 |
| Nelson | 34855 | 75.91 |
| Hopkins | 34495 | 76.58 |
| Barren | 33040 | 75.05 |
| Calloway | 31185 | 79.98 |
| Floyd | 28025 | 78.00 |
| Clark | 27770 | 76.82 |
| Greenup | 27660 | 78.22 |
| Graves | 27610 | 74.37 |
| Whitley | 26855 | 74.08 |
| Marshall | 24815 | 79.47 |
| Muhlenberg | 24220 | 78.60 |
| Knox | 23715 | 75.79 |
| Boyle | 23660 | 78.63 |
| Meade | 21855 | 77.01 |
| Montgomery | 21265 | 75.84 |
| Bell | 20830 | 78.83 |
| Carter | 20610 | 76.40 |
| Logan | 20475 | 75.69 |
| Harlan | 20205 | 76.81 |
| Perry | 19970 | 76.03 |
| Grayson | 19835 | 75.38 |
| Taylor | 19580 | 76.57 |
| Woodford | 19555 | 73.83 |
| Rowan | 19465 | 79.34 |
| Lincoln | 18515 | 75.59 |
| Grant | 18295 | 72.87 |
| Ohio | 17860 | 74.17 |
| Johnson | 17280 | 77.06 |
| Letcher | 17155 | 78.21 |
| Anderson | 17110 | 75.78 |
| Mercer | 16485 | 76.00 |
| Allen | 15915 | 75.55 |
| Wayne | 15885 | 77.70 |
| Clay | 15760 | 78.37 |
| Breckinridge | 15575 | 76.78 |
| Adair | 15325 | 79.14 |
| Bourbon | 14860 | 74.30 |
| Spencer | 14540 | 76.75 |
| Harrison | 14410 | 76.79 |
| Marion | 14405 | 74.81 |
| Hart | 14105 | 74.89 |
| Simpson | 13725 | 74.92 |
| Russell | 13575 | 76.07 |
| Garrard | 13495 | 76.87 |
| McCreary | 13435 | 77.50 |
| Rockcastle | 13095 | 77.97 |
| Mason | 13015 | 76.02 |
| Casey | 12185 | 76.30 |
| Henry | 12070 | 75.44 |
| Knott | 11970 | 79.59 |
| Lawrence | 11805 | 75.65 |
| Union | 11780 | 80.80 |
| Trigg | 11275 | 77.39 |
| Pendleton | 11170 | 76.59 |
| Estill | 11110 | 78.32 |
| Fleming | 10965 | 75.52 |
| Larue | 10760 | 75.40 |
| Morgan | 10750 | 81.01 |
| Jackson | 10370 | 77.56 |
| Lewis | 10335 | 77.44 |
| Breathitt | 10140 | 79.22 |
| Edmonson | 9880 | 81.02 |
| Caldwell | 9750 | 76.89 |
| Webster | 9665 | 74.23 |
| Butler | 9620 | 75.42 |
| Magoffin | 9490 | 76.87 |
| Bath | 9210 | 74.16 |
| Powell | 9200 | 74.89 |
| Martin | 9140 | 80.04 |
| Washington | 9115 | 75.68 |
| Todd | 8820 | 71.50 |
| Green | 8585 | 78.05 |
| Owen | 8425 | 77.69 |
| Monroe | 8080 | 76.12 |
| Leslie | 7950 | 78.87 |
| Carroll | 7855 | 73.48 |
| Clinton | 7855 | 77.20 |
| Metcalfe | 7685 | 76.39 |
| Livingston | 7180 | 78.30 |
| McLean | 6975 | 75.82 |
| Lyon | 6970 | 84.74 |
| Crittenden | 6905 | 77.24 |
| Hancock | 6570 | 75.09 |
| Trimble | 6500 | 76.20 |
| Gallatin | 6465 | 73.80 |
| Bracken | 6315 | 75.99 |
| Ballard | 6225 | 78.65 |
| Elliott | 6115 | 81.97 |
| Lee | 5600 | 78.98 |
| Wolfe | 5510 | 76.63 |
| Nicholas | 5495 | 76.43 |
| Cumberland | 5165 | 77.55 |
| Menifee | 5100 | 78.89 |
| Fulton | 4755 | 78.40 |
| Carlisle | 3650 | 77.00 |
| Hickman | 3570 | 80.05 |
| Owsley | 3570 | 80.86 |
| Robertson | 1615 | 75.47 |
