Kentucky Voting-age Population By County in 2021 (ACS-5Yrs)
Updated on July 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, the voting-age population of Kentucky was 3.47M which was 77.26% of the total Kentucky population. Among all Kentucky counties, Jefferson had the highest voting-age population (606.87K), followed by Fayette (253.89K), and Kenton (128.16K).
On the other hand, the counties with the least voting-age population were: Robertson (1.66K), Owsley (3.27K), and Hickman (3.63K).
The chart and table below shows the voting-age population of each county and the percentage of each county's population that are of voting-age.
You can see similar information for other states and by state for the United States.
Related Topics: Kentucky ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Kentucky Voting-age Population By County in 2021
Kentucky Voting-age Population By County in 2021
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| County | Voting-age Population | % of County Population |
|---|---|---|
| Adair | 14997 | 79.64 |
| Allen | 15775 | 76.56 |
| Anderson | 18030 | 76.25 |
| Ballard | 6195 | 79.28 |
| Barren | 33740 | 76.20 |
| Bath | 9392 | 74.07 |
| Bell | 19351 | 78.43 |
| Boone | 99346 | 73.81 |
| Bourbon | 15661 | 77.22 |
| Boyd | 37981 | 78.40 |
| Boyle | 24283 | 79.70 |
| Bracken | 6357 | 75.73 |
| Breathitt | 10789 | 79.03 |
| Breckinridge | 15699 | 77.16 |
| Bullitt | 63892 | 78.18 |
| Butler | 9541 | 76.86 |
| Caldwell | 9773 | 77.31 |
| Calloway | 30495 | 81.78 |
| Campbell | 73542 | 79.06 |
| Carlisle | 3698 | 76.71 |
| Carroll | 7950 | 73.56 |
| Carter | 20698 | 77.17 |
| Casey | 12202 | 76.92 |
| Christian | 52680 | 72.79 |
| Clark | 28459 | 77.51 |
| Clay | 16130 | 78.74 |
| Clinton | 7355 | 78.48 |
| Crittenden | 6974 | 77.52 |
| Cumberland | 4712 | 78.23 |
| Daviess | 77285 | 75.41 |
| Edmonson | 9817 | 80.70 |
| Elliott | 6076 | 81.95 |
| Estill | 11034 | 77.94 |
| Fayette | 253885 | 79.01 |
| Fleming | 11339 | 75.61 |
| Floyd | 28098 | 77.78 |
| Franklin | 40525 | 78.97 |
| Fulton | 5098 | 78.35 |
| Gallatin | 6584 | 75.73 |
| Garrard | 13337 | 78.37 |
| Grant | 18082 | 72.57 |
| Graves | 27842 | 75.67 |
| Grayson | 19989 | 75.86 |
| Green | 8739 | 78.44 |
| Greenup | 28211 | 78.37 |
| Hancock | 6817 | 75.33 |
| Hardin | 82902 | 75.27 |
| Harlan | 20650 | 76.71 |
| Harrison | 14436 | 77.24 |
| Hart | 14427 | 75.16 |
| Henderson | 34771 | 77.09 |
| Henry | 11964 | 76.25 |
| Hickman | 3629 | 80.13 |
| Hopkins | 34977 | 76.99 |
| Jackson | 10021 | 76.91 |
| Jefferson | 606872 | 77.76 |
| Jessamine | 40317 | 76.05 |
| Johnson | 17724 | 77.76 |
| Kenton | 128157 | 76.16 |
| Knott | 11607 | 80.02 |
| Knox | 23163 | 76.28 |
| Larue | 11513 | 77.96 |
| Laurel | 47645 | 76.74 |
| Lawrence | 12378 | 76.06 |
| Lee | 5825 | 80.20 |
| Leslie | 8386 | 78.95 |
| Letcher | 16989 | 77.99 |
| Lewis | 10078 | 76.91 |
| Lincoln | 18505 | 76.11 |
| Livingston | 7133 | 79.35 |
| Logan | 20799 | 76.13 |
| Lyon | 7477 | 85.94 |
| McCracken | 52322 | 77.64 |
| McCreary | 13126 | 77.01 |
| McLean | 7020 | 76.45 |
| Madison | 72963 | 79.14 |
| Magoffin | 9112 | 77.10 |
| Marion | 14898 | 76.18 |
| Marshall | 25139 | 79.40 |
| Martin | 9140 | 80.22 |
| Mason | 13177 | 77.05 |
| Meade | 23047 | 77.51 |
| Menifee | 4725 | 76.84 |
| Mercer | 17493 | 77.85 |
| Metcalfe | 7844 | 76.34 |
| Monroe | 8668 | 76.92 |
| Montgomery | 21424 | 76.29 |
| Morgan | 11163 | 81.06 |
| Muhlenberg | 24561 | 79.20 |
| Nelson | 35384 | 76.19 |
| Nicholas | 5756 | 76.57 |
| Ohio | 18174 | 76.17 |
| Oldham | 50371 | 74.53 |
| Owen | 8671 | 77.70 |
| Owsley | 3270 | 79.87 |
| Pendleton | 11156 | 76.28 |
| Perry | 21734 | 76.47 |
| Pike | 46611 | 79.12 |
| Powell | 9875 | 75.67 |
| Pulaski | 50091 | 77.40 |
| Robertson | 1664 | 75.77 |
| Rockcastle | 12642 | 78.20 |
| Rowan | 19822 | 80.40 |
| Russell | 13744 | 76.74 |
| Scott | 42107 | 74.83 |
| Shelby | 36734 | 77.30 |
| Simpson | 14656 | 75.84 |
| Spencer | 14820 | 76.96 |
| Taylor | 19898 | 76.68 |
| Todd | 8931 | 73.17 |
| Trigg | 10936 | 77.74 |
| Trimble | 6693 | 78.72 |
| Union | 11272 | 81.76 |
| Warren | 102573 | 77.00 |
| Washington | 9173 | 76.72 |
| Wayne | 15656 | 79.30 |
| Webster | 9947 | 76.55 |
| Whitley | 27291 | 74.61 |
| Wolfe | 5144 | 77.17 |
| Woodford | 20814 | 77.79 |