Ohio 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 Ohio was 8,709,050 and represented 75.23% of the total Ohio population.
Among all Ohio counties, Cuyahoga had the highest citizen voting-age population (955.80K), followed by Franklin (866.42K), and Hamilton (596.88K).
In terms of percentages, Noble had the highest percentage of its population being citizens of voting-age (86.18%), followed by Athens (81.35%), and Belmont (80.45%).
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 | 955795 | 75.67 |
| Franklin | 866415 | 71.27 |
| Hamilton | 596880 | 74.22 |
| Summit | 412825 | 76.19 |
| Montgomery | 403570 | 75.61 |
| Lucas | 328325 | 75.26 |
| Stark | 288990 | 77.07 |
| Butler | 271980 | 73.01 |
| Lorain | 230310 | 75.97 |
| Mahoning | 182675 | 77.88 |
| Lake | 175860 | 76.65 |
| Trumbull | 161655 | 78.33 |
| Warren | 156515 | 71.17 |
| Clermont | 149480 | 74.63 |
| Medina | 131780 | 75.38 |
| Delaware | 129655 | 69.92 |
| Licking | 127150 | 75.37 |
| Portage | 126530 | 78.16 |
| Greene | 126010 | 76.75 |
| Fairfield | 110570 | 74.15 |
| Clark | 104010 | 76.02 |
| Wood | 99790 | 77.43 |
| Richland | 94845 | 77.55 |
| Wayne | 85660 | 74.25 |
| Columbiana | 83070 | 78.38 |
| Allen | 79930 | 75.98 |
| Miami | 78625 | 75.96 |
| Ashtabula | 76430 | 76.60 |
| Tuscarawas | 70440 | 75.99 |
| Geauga | 70270 | 74.86 |
| Muskingum | 65465 | 76.11 |
| Scioto | 60250 | 77.23 |
| Ross | 60020 | 77.61 |
| Erie | 59445 | 78.07 |
| Hancock | 57115 | 75.72 |
| Belmont | 55960 | 80.45 |
| Jefferson | 54405 | 79.94 |
| Athens | 52855 | 81.35 |
| Marion | 51440 | 78.00 |
| Washington | 48580 | 79.19 |
| Lawrence | 47620 | 77.02 |
| Knox | 46300 | 75.90 |
| Sandusky | 45775 | 76.06 |
| Pickaway | 43635 | 77.21 |
| Huron | 43090 | 73.11 |
| Seneca | 42800 | 76.52 |
| Ashland | 40390 | 75.94 |
| Darke | 39370 | 75.20 |
| Union | 38970 | 72.88 |
| Shelby | 35710 | 72.78 |
| Auglaize | 34440 | 75.07 |
| Logan | 34190 | 75.17 |
| Madison | 33805 | 77.79 |
| Brown | 33605 | 75.95 |
| Crawford | 33045 | 77.34 |
| Ottawa | 32905 | 79.94 |
| Highland | 32435 | 75.13 |
| Preble | 31700 | 76.06 |
| Fulton | 31665 | 74.53 |
| Clinton | 31565 | 75.35 |
| Guernsey | 30325 | 76.53 |
| Mercer | 30190 | 73.88 |
| Champaign | 29920 | 75.95 |
| Defiance | 29275 | 75.71 |
| Holmes | 28870 | 66.47 |
| Williams | 28600 | 76.50 |
| Coshocton | 28015 | 76.28 |
| Perry | 27090 | 75.20 |
| Morrow | 26270 | 75.07 |
| Putnam | 25190 | 73.69 |
| Jackson | 24750 | 75.33 |
| Hardin | 24100 | 75.94 |
| Gallia | 23275 | 76.15 |
| Carroll | 22080 | 77.86 |
| Hocking | 22020 | 76.15 |
| Van Wert | 21740 | 76.08 |
| Fayette | 21620 | 75.15 |
| Pike | 21415 | 75.42 |
| Adams | 21205 | 75.11 |
| Henry | 21055 | 75.16 |
| Meigs | 18220 | 77.61 |
| Wyandot | 17015 | 75.74 |
| Paulding | 14360 | 74.93 |
| Noble | 12505 | 86.18 |
| Harrison | 12305 | 78.70 |
| Morgan | 11560 | 77.51 |
| Monroe | 11425 | 78.55 |
| Vinton | 10070 | 76.09 |
