Kentucky Citizen Voting-age Population By County in 2015 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Kentucky was 3,297,110 and represented 74.98% of the total Kentucky population.
Among all Kentucky counties, Jefferson had the highest citizen voting-age population (557.49K), followed by Fayette (225.71K), and Kenton (120.61K).
In terms of percentages, Lyon had the highest percentage of its population being citizens of voting-age (84.94%), followed by Elliott (81.04%), and Robertson (81.00%).
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 | 557485 | 73.76 |
| Fayette | 225710 | 73.21 |
| Kenton | 120605 | 73.99 |
| Boone | 86780 | 69.64 |
| Warren | 86320 | 72.57 |
| Hardin | 78350 | 72.86 |
| Daviess | 73185 | 74.55 |
| Campbell | 69970 | 76.49 |
| Madison | 66740 | 77.75 |
| Bullitt | 58540 | 76.07 |
| Christian | 52080 | 70.23 |
| McCracken | 50290 | 76.88 |
| Pike | 49615 | 78.21 |
| Pulaski | 48795 | 76.68 |
| Oldham | 45680 | 72.47 |
| Laurel | 45015 | 75.34 |
| Boyd | 38375 | 78.45 |
| Franklin | 38325 | 76.99 |
| Jessamine | 36685 | 72.89 |
| Scott | 36090 | 71.92 |
| Hopkins | 35635 | 76.60 |
| Henderson | 35225 | 75.92 |
| Nelson | 32990 | 74.03 |
| Barren | 32185 | 74.98 |
| Shelby | 31355 | 70.80 |
| Floyd | 30060 | 77.78 |
| Calloway | 29805 | 78.22 |
| Greenup | 28330 | 77.67 |
| Graves | 27520 | 73.39 |
| Clark | 27220 | 76.34 |
| Whitley | 26995 | 75.42 |
| Marshall | 24715 | 79.27 |
| Muhlenberg | 24615 | 78.62 |
| Knox | 24240 | 76.20 |
| Boyle | 22960 | 78.12 |
| Harlan | 21905 | 77.13 |
| Perry | 21855 | 77.94 |
| Bell | 21840 | 78.14 |
| Meade | 21510 | 73.92 |
| Carter | 21030 | 76.96 |
| Montgomery | 20440 | 75.24 |
| Logan | 20270 | 75.49 |
| Grayson | 19605 | 75.40 |
| Taylor | 19135 | 76.56 |
| Rowan | 18785 | 79.56 |
| Lincoln | 18630 | 76.04 |
| Woodford | 18625 | 73.57 |
| Letcher | 18430 | 77.86 |
| Ohio | 18005 | 74.82 |
| Johnson | 17985 | 77.02 |
| Grant | 17595 | 71.32 |
| Clay | 16635 | 78.10 |
| Mercer | 16260 | 76.19 |
| Anderson | 16210 | 74.49 |
| Wayne | 16025 | 77.58 |
| Breckinridge | 15325 | 76.40 |
| Allen | 15295 | 75.14 |
| Adair | 14755 | 78.28 |
| Marion | 14725 | 74.69 |
| Bourbon | 14590 | 72.90 |
| Harrison | 14130 | 75.76 |
| Hart | 13825 | 74.97 |
| McCreary | 13815 | 76.75 |
| Russell | 13465 | 76.20 |
| Spencer | 13285 | 75.59 |
| Simpson | 13275 | 74.98 |
| Mason | 13150 | 76.03 |
| Rockcastle | 13150 | 77.63 |
| Garrard | 12980 | 76.47 |
| Knott | 12600 | 78.75 |
| Casey | 12185 | 76.37 |
| Lawrence | 12085 | 76.39 |
| Union | 11850 | 78.27 |
| Henry | 11630 | 75.25 |
| Estill | 11270 | 77.86 |
| Pendleton | 11140 | 76.75 |
| Trigg | 11030 | 77.40 |
| Fleming | 10965 | 75.39 |
| Larue | 10810 | 76.40 |
| Morgan | 10800 | 80.42 |
| Breathitt | 10640 | 78.29 |
| Lewis | 10605 | 76.90 |
| Jackson | 10310 | 77.20 |
| Webster | 10040 | 75.18 |
| Magoffin | 9955 | 76.69 |
| Martin | 9945 | 78.74 |
| Caldwell | 9935 | 77.47 |
| Butler | 9740 | 75.89 |
| Edmonson | 9650 | 79.72 |
| Powell | 9385 | 75.41 |
| Todd | 9010 | 71.94 |
| Washington | 8975 | 75.36 |
| Bath | 8905 | 74.33 |
| Green | 8685 | 77.89 |
| Leslie | 8610 | 78.31 |
| Monroe | 8140 | 75.61 |
| Owen | 8140 | 76.00 |
| Carroll | 7720 | 71.28 |
| Metcalfe | 7690 | 77.02 |
| Clinton | 7665 | 75.22 |
| Livingston | 7450 | 79.30 |
| McLean | 7215 | 75.95 |
| Lyon | 7135 | 84.94 |
| Crittenden | 7085 | 76.84 |
| Trimble | 6655 | 75.75 |
| Hancock | 6435 | 74.22 |
| Ballard | 6420 | 77.77 |
| Bracken | 6315 | 74.96 |
| Elliott | 6260 | 81.04 |
| Gallatin | 6180 | 72.15 |
| Lee | 5635 | 79.14 |
| Wolfe | 5535 | 76.24 |
| Nicholas | 5405 | 76.40 |
| Cumberland | 5280 | 77.59 |
| Fulton | 5055 | 78.74 |
| Menifee | 4835 | 76.20 |
| Carlisle | 3870 | 77.63 |
| Hickman | 3775 | 79.98 |
| Owsley | 3635 | 78.77 |
| Robertson | 1790 | 81.00 |
