Kentucky Citizen Voting-age Population By County in 2018 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Kentucky was 3,338,200 and represented 75.18% of the total Kentucky population.
Among all Kentucky counties, Jefferson had the highest citizen voting-age population (567.67K), followed by Fayette (232.52K), and Kenton (122.26K).
In terms of percentages, Lyon had the highest percentage of its population being citizens of voting-age (83.26%), followed by Robertson (81.35%), and Elliott (81.30%).
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 | 567665 | 74.00 |
| Fayette | 232515 | 72.95 |
| Kenton | 122255 | 74.23 |
| Warren | 91305 | 72.22 |
| Boone | 91280 | 70.71 |
| Hardin | 79775 | 73.80 |
| Daviess | 73860 | 73.91 |
| Campbell | 71635 | 77.64 |
| Madison | 69515 | 77.50 |
| Bullitt | 61400 | 77.27 |
| Christian | 51655 | 71.48 |
| McCracken | 50390 | 77.19 |
| Pulaski | 48995 | 76.38 |
| Oldham | 47830 | 73.16 |
| Pike | 47740 | 78.93 |
| Laurel | 46160 | 76.70 |
| Franklin | 38670 | 76.89 |
| Scott | 38660 | 72.24 |
| Jessamine | 38310 | 73.08 |
| Boyd | 37620 | 78.23 |
| Henderson | 35190 | 76.28 |
| Hopkins | 34865 | 76.35 |
| Nelson | 34150 | 75.24 |
| Shelby | 33630 | 71.88 |
| Barren | 32690 | 74.84 |
| Calloway | 30490 | 78.63 |
| Floyd | 28950 | 78.40 |
| Greenup | 27985 | 78.25 |
| Graves | 27435 | 73.56 |
| Clark | 27340 | 76.22 |
| Whitley | 26950 | 74.67 |
| Marshall | 24635 | 79.05 |
| Muhlenberg | 24415 | 78.56 |
| Knox | 23760 | 75.51 |
| Boyle | 23435 | 78.34 |
| Meade | 21500 | 75.91 |
| Bell | 21305 | 78.36 |
| Carter | 21065 | 77.19 |
| Montgomery | 20905 | 75.31 |
| Harlan | 20865 | 76.89 |
| Perry | 20615 | 76.59 |
| Logan | 20315 | 75.66 |
| Grayson | 19775 | 75.54 |
| Rowan | 19440 | 79.35 |
| Taylor | 19355 | 75.90 |
| Woodford | 19225 | 73.67 |
| Lincoln | 18495 | 75.61 |
| Grant | 18080 | 72.57 |
| Ohio | 18050 | 74.99 |
| Letcher | 17710 | 78.10 |
| Johnson | 17645 | 77.24 |
| Anderson | 16645 | 74.93 |
| Mercer | 16380 | 76.13 |
| Clay | 16130 | 78.22 |
| Wayne | 16085 | 78.05 |
| Allen | 15665 | 75.33 |
| Breckinridge | 15385 | 76.62 |
| Adair | 15175 | 78.87 |
| Bourbon | 14845 | 73.69 |
| Marion | 14315 | 74.44 |
| Harrison | 14250 | 76.33 |
| Spencer | 13995 | 76.71 |
| Hart | 13920 | 74.74 |
| McCreary | 13640 | 77.35 |
| Russell | 13440 | 75.68 |
| Simpson | 13410 | 74.23 |
| Garrard | 13330 | 76.92 |
| Rockcastle | 13115 | 77.95 |
| Mason | 13035 | 75.98 |
| Knott | 12285 | 79.18 |
| Casey | 12090 | 76.54 |
| Henry | 11945 | 75.53 |
| Lawrence | 11915 | 75.48 |
| Union | 11740 | 79.32 |
| Estill | 11255 | 78.62 |
| Trigg | 11155 | 77.76 |
| Pendleton | 11140 | 76.72 |
| Fleming | 10890 | 75.21 |
| Larue | 10745 | 75.91 |
| Morgan | 10655 | 80.20 |
| Lewis | 10470 | 77.61 |
| Breathitt | 10405 | 79.34 |
| Jackson | 10320 | 77.16 |
| Caldwell | 9870 | 77.56 |
| Edmonson | 9790 | 80.78 |
| Webster | 9790 | 74.42 |
| Magoffin | 9770 | 77.14 |
| Butler | 9720 | 76.27 |
| Martin | 9500 | 79.70 |
| Powell | 9330 | 75.73 |
| Bath | 9060 | 73.84 |
| Washington | 8970 | 74.63 |
| Todd | 8805 | 71.30 |
| Green | 8615 | 78.14 |
| Leslie | 8180 | 78.13 |
| Owen | 8115 | 75.56 |
| Monroe | 8090 | 76.07 |
| Clinton | 7765 | 76.05 |
| Carroll | 7730 | 72.18 |
| Metcalfe | 7630 | 76.26 |
| Livingston | 7275 | 78.52 |
| Crittenden | 7080 | 77.93 |
| McLean | 6995 | 74.97 |
| Lyon | 6815 | 83.26 |
| Trimble | 6605 | 76.49 |
| Hancock | 6435 | 73.80 |
| Gallatin | 6350 | 72.95 |
| Ballard | 6275 | 77.57 |
| Bracken | 6190 | 74.53 |
| Elliott | 6110 | 81.30 |
| Wolfe | 5540 | 76.68 |
| Nicholas | 5400 | 76.06 |
| Lee | 5295 | 78.44 |
| Cumberland | 5230 | 77.89 |
| Menifee | 5035 | 78.61 |
| Fulton | 4810 | 77.46 |
| Carlisle | 3785 | 78.20 |
| Hickman | 3660 | 80.09 |
| Owsley | 3555 | 79.62 |
| Robertson | 1745 | 81.35 |
