Ohio Citizen Voting-age Population By County in 2017 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Ohio was 8,761,635 and represented 75.47% of the total Ohio population.
Among all Ohio counties, Cuyahoga had the highest citizen voting-age population (957.13K), followed by Franklin (894.66K), and Hamilton (600.20K).
In terms of percentages, Athens had the highest percentage of its population being citizens of voting-age (81.83%), followed by Noble (81.31%), and Ottawa (80.46%).
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 | 957130 | 76.12 |
| Franklin | 894660 | 71.37 |
| Hamilton | 600195 | 74.22 |
| Summit | 412765 | 76.25 |
| Montgomery | 402540 | 75.67 |
| Lucas | 325815 | 75.18 |
| Stark | 289325 | 77.30 |
| Butler | 275265 | 73.27 |
| Lorain | 233035 | 76.30 |
| Mahoning | 182325 | 78.64 |
| Lake | 177460 | 77.26 |
| Warren | 160610 | 71.74 |
| Trumbull | 160185 | 78.78 |
| Clermont | 152135 | 75.25 |
| Delaware | 135285 | 70.09 |
| Medina | 134240 | 76.12 |
| Licking | 129195 | 75.69 |
| Portage | 126875 | 78.28 |
| Greene | 126745 | 76.90 |
| Fairfield | 112985 | 74.57 |
| Clark | 103360 | 76.27 |
| Wood | 100745 | 77.79 |
| Richland | 94440 | 77.71 |
| Wayne | 86385 | 74.52 |
| Columbiana | 82385 | 78.77 |
| Miami | 79275 | 76.17 |
| Allen | 79165 | 76.01 |
| Ashtabula | 75840 | 76.90 |
| Geauga | 70960 | 75.57 |
| Tuscarawas | 70325 | 76.00 |
| Muskingum | 65555 | 76.28 |
| Ross | 60055 | 77.87 |
| Scioto | 59645 | 77.59 |
| Erie | 59085 | 78.39 |
| Hancock | 56860 | 75.30 |
| Belmont | 55405 | 80.43 |
| Jefferson | 53980 | 80.15 |
| Athens | 53650 | 81.83 |
| Marion | 51185 | 78.16 |
| Washington | 48350 | 79.43 |
| Lawrence | 47240 | 77.37 |
| Knox | 46550 | 76.38 |
| Sandusky | 45355 | 76.15 |
| Pickaway | 44300 | 77.62 |
| Huron | 43270 | 73.97 |
| Seneca | 42570 | 76.63 |
| Ashland | 40470 | 75.93 |
| Union | 40070 | 73.27 |
| Darke | 39125 | 75.36 |
| Shelby | 35770 | 73.15 |
| Auglaize | 34450 | 75.25 |
| Logan | 34285 | 75.64 |
| Madison | 34280 | 78.39 |
| Brown | 33490 | 76.46 |
| Ottawa | 32805 | 80.46 |
| Crawford | 32760 | 77.58 |
| Highland | 32480 | 75.48 |
| Clinton | 31695 | 75.70 |
| Fulton | 31635 | 74.80 |
| Preble | 31605 | 76.47 |
| Guernsey | 30380 | 77.08 |
| Mercer | 30045 | 73.78 |
| Champaign | 29895 | 76.64 |
| Holmes | 29415 | 67.14 |
| Defiance | 29115 | 76.00 |
| Williams | 28370 | 76.55 |
| Coshocton | 27920 | 76.28 |
| Perry | 27325 | 75.93 |
| Morrow | 26335 | 75.38 |
| Putnam | 25245 | 74.17 |
| Jackson | 24680 | 75.65 |
| Hardin | 23875 | 75.61 |
| Gallia | 23115 | 76.53 |
| Hocking | 21945 | 76.88 |
| Carroll | 21885 | 78.65 |
| Pike | 21630 | 76.46 |
| Fayette | 21585 | 75.31 |
| Van Wert | 21520 | 76.15 |
| Adams | 21040 | 75.35 |
| Henry | 20755 | 75.57 |
| Meigs | 18145 | 78.09 |
| Wyandot | 16760 | 75.53 |
| Paulding | 14235 | 75.12 |
| Harrison | 12100 | 78.60 |
| Noble | 11790 | 81.31 |
| Morgan | 11525 | 78.00 |
| Monroe | 11225 | 78.83 |
| Vinton | 10135 | 77.13 |
