Ohio Citizen Voting-age Population By County in 2019 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, the citizen voting-age population for Ohio was 8,820,895 and represented 75.68% of the total Ohio population.
Among all Ohio counties, Cuyahoga had the highest citizen voting-age population (953.17K), followed by Franklin (922.21K), and Hamilton (604.01K).
In terms of percentages, Athens had the highest percentage of its population being citizens of voting-age (82.33%), followed by Noble (81.03%), and Ottawa (80.91%).
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 |
|---|---|---|
| Cuyahoga | 953170 | 76.41 |
| Franklin | 922205 | 71.47 |
| Hamilton | 604005 | 74.24 |
| Summit | 414870 | 76.64 |
| Montgomery | 402195 | 75.65 |
| Lucas | 324770 | 75.33 |
| Stark | 288885 | 77.57 |
| Butler | 278505 | 73.29 |
| Lorain | 235870 | 76.66 |
| Mahoning | 182005 | 79.15 |
| Lake | 178680 | 77.70 |
| Warren | 165580 | 72.27 |
| Trumbull | 158330 | 79.02 |
| Clermont | 154740 | 75.75 |
| Delaware | 141115 | 70.16 |
| Medina | 136420 | 76.65 |
| Licking | 131860 | 75.89 |
| Greene | 128710 | 77.30 |
| Portage | 128315 | 78.96 |
| Fairfield | 115185 | 74.58 |
| Clark | 103100 | 76.53 |
| Wood | 101385 | 77.90 |
| Richland | 94140 | 77.74 |
| Wayne | 86625 | 74.61 |
| Columbiana | 81595 | 79.07 |
| Miami | 80195 | 76.11 |
| Allen | 78410 | 76.00 |
| Ashtabula | 75625 | 77.30 |
| Geauga | 71460 | 76.15 |
| Tuscarawas | 70320 | 76.16 |
| Muskingum | 66040 | 76.68 |
| Ross | 60065 | 78.06 |
| Scioto | 59190 | 77.84 |
| Erie | 58935 | 78.81 |
| Hancock | 57430 | 75.73 |
| Belmont | 54905 | 80.71 |
| Athens | 54265 | 82.33 |
| Jefferson | 53275 | 80.27 |
| Marion | 51065 | 78.20 |
| Washington | 48065 | 79.55 |
| Knox | 47015 | 76.47 |
| Lawrence | 46740 | 77.66 |
| Sandusky | 45250 | 76.66 |
| Pickaway | 44995 | 77.90 |
| Huron | 43635 | 74.79 |
| Seneca | 42565 | 76.90 |
| Union | 41600 | 73.36 |
| Ashland | 41065 | 76.71 |
| Darke | 39035 | 75.77 |
| Shelby | 36120 | 74.09 |
| Madison | 34570 | 78.33 |
| Auglaize | 34480 | 75.40 |
| Logan | 34410 | 75.94 |
| Brown | 33450 | 76.77 |
| Ottawa | 32875 | 80.91 |
| Highland | 32570 | 75.72 |
| Crawford | 32490 | 77.69 |
| Clinton | 31855 | 75.93 |
| Fulton | 31850 | 75.38 |
| Preble | 31655 | 77.03 |
| Guernsey | 30325 | 77.54 |
| Mercer | 30000 | 73.38 |
| Champaign | 29985 | 77.19 |
| Holmes | 29950 | 68.22 |
| Defiance | 28955 | 75.88 |
| Williams | 28260 | 76.76 |
| Coshocton | 27905 | 76.27 |
| Perry | 27455 | 76.22 |
| Morrow | 26855 | 76.63 |
| Putnam | 25050 | 73.87 |
| Jackson | 24520 | 75.56 |
| Hardin | 23705 | 75.43 |
| Gallia | 23015 | 76.49 |
| Hocking | 22045 | 77.65 |
| Carroll | 21615 | 79.09 |
| Fayette | 21560 | 75.33 |
| Van Wert | 21550 | 76.26 |
| Pike | 21435 | 76.55 |
| Adams | 21055 | 75.81 |
| Henry | 20650 | 75.89 |
| Meigs | 18060 | 78.25 |
| Wyandot | 16740 | 76.09 |
| Paulding | 14205 | 75.52 |
| Harrison | 11950 | 78.57 |
| Noble | 11680 | 81.03 |
| Morgan | 11525 | 78.72 |
| Monroe | 11010 | 78.98 |
| Vinton | 10100 | 77.19 |
