Ohio 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 Ohio was 8,855,290 and represented 75.85% of the total Ohio population.
Among all Ohio counties, Cuyahoga had the highest citizen voting-age population (952.41K), followed by Franklin (935.90K), and Hamilton (606.74K).
In terms of percentages, Athens had the highest percentage of its population being citizens of voting-age (82.77%), followed by Ottawa (81.20%), and Noble (80.99%).
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 | 952410 | 76.72 |
| Franklin | 935900 | 71.73 |
| Hamilton | 606735 | 74.37 |
| Summit | 415335 | 76.80 |
| Montgomery | 402745 | 75.71 |
| Lucas | 324850 | 75.49 |
| Stark | 288800 | 77.74 |
| Butler | 280560 | 73.42 |
| Lorain | 237795 | 76.92 |
| Mahoning | 180840 | 79.16 |
| Lake | 179045 | 77.93 |
| Warren | 168395 | 72.42 |
| Trumbull | 157750 | 79.21 |
| Clermont | 156525 | 76.13 |
| Delaware | 143865 | 70.02 |
| Medina | 137680 | 76.87 |
| Licking | 133355 | 76.03 |
| Greene | 130285 | 77.61 |
| Portage | 129125 | 79.47 |
| Fairfield | 116555 | 74.62 |
| Clark | 103075 | 76.69 |
| Wood | 102080 | 78.13 |
| Richland | 94025 | 77.68 |
| Wayne | 86525 | 74.55 |
| Columbiana | 81275 | 79.28 |
| Miami | 80675 | 76.06 |
| Allen | 78255 | 76.12 |
| Ashtabula | 75420 | 77.42 |
| Geauga | 71540 | 76.39 |
| Tuscarawas | 70135 | 76.10 |
| Muskingum | 66245 | 77.00 |
| Ross | 60095 | 78.23 |
| Scioto | 58795 | 77.94 |
| Erie | 58665 | 78.83 |
| Hancock | 57280 | 75.60 |
| Athens | 54585 | 82.77 |
| Belmont | 54535 | 80.88 |
| Jefferson | 53085 | 80.50 |
| Marion | 51085 | 78.38 |
| Washington | 47855 | 79.47 |
| Knox | 47310 | 76.58 |
| Lawrence | 46515 | 77.65 |
| Pickaway | 45435 | 78.19 |
| Sandusky | 45050 | 76.62 |
| Huron | 43760 | 75.10 |
| Union | 42635 | 73.67 |
| Seneca | 42560 | 77.03 |
| Ashland | 41070 | 76.72 |
| Darke | 38895 | 75.69 |
| Shelby | 36210 | 74.49 |
| Madison | 34770 | 78.58 |
| Logan | 34565 | 76.28 |
| Auglaize | 34500 | 75.48 |
| Brown | 33495 | 76.98 |
| Ottawa | 32930 | 81.20 |
| Highland | 32645 | 75.78 |
| Crawford | 32210 | 77.42 |
| Fulton | 31995 | 75.84 |
| Clinton | 31895 | 75.94 |
| Preble | 31655 | 77.22 |
| Guernsey | 30265 | 77.61 |
| Holmes | 30215 | 68.74 |
| Champaign | 30075 | 77.39 |
| Mercer | 30050 | 73.23 |
| Defiance | 28930 | 76.08 |
| Williams | 28100 | 76.44 |
| Coshocton | 27900 | 76.31 |
| Perry | 27545 | 76.36 |
| Morrow | 27090 | 77.07 |
| Putnam | 25055 | 74.05 |
| Jackson | 24710 | 76.17 |
| Hardin | 23880 | 76.06 |
| Gallia | 22960 | 76.55 |
| Hocking | 22085 | 78.03 |
| Carroll | 21595 | 79.41 |
| Fayette | 21515 | 75.20 |
| Van Wert | 21510 | 76.24 |
| Pike | 21295 | 76.29 |
| Adams | 20975 | 75.76 |
| Henry | 20585 | 76.04 |
| Meigs | 17790 | 77.43 |
| Wyandot | 16895 | 77.13 |
| Paulding | 14230 | 75.93 |
| Harrison | 11900 | 78.65 |
| Noble | 11670 | 80.99 |
| Morgan | 11515 | 79.11 |
| Monroe | 10965 | 79.31 |
| Vinton | 10105 | 77.46 |
