Ohio Citizen Voting-age Population By County in 2024 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2024, the citizen voting-age population for Ohio was 8,956,209 and represented 75.83% of the total Ohio population.
Among all Ohio counties, Cuyahoga had the highest citizen voting-age population (958.74K), followed by Franklin (946.20K), and Hamilton (614.99K).
In terms of percentages, Athens had the highest percentage of its population being citizens of voting-age (82.93%), followed by Ottawa (82.02%), and Belmont (80.86%).
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 | 958739 | 76.95 |
| Franklin | 946203 | 70.98 |
| Hamilton | 614988 | 74.03 |
| Summit | 414626 | 77.09 |
| Montgomery | 405073 | 75.56 |
| Lucas | 324542 | 75.82 |
| Stark | 289977 | 77.59 |
| Butler | 286457 | 72.91 |
| Lorain | 245284 | 77.35 |
| Lake | 183503 | 79.02 |
| Warren | 181036 | 72.41 |
| Mahoning | 178434 | 78.78 |
| Clermont | 162461 | 76.93 |
| Delaware | 160739 | 70.86 |
| Trumbull | 158959 | 79.11 |
| Medina | 142726 | 77.71 |
| Licking | 138167 | 75.98 |
| Greene | 131935 | 77.75 |
| Portage | 129535 | 79.98 |
| Fairfield | 122338 | 74.85 |
| Wood | 103139 | 78.10 |
| Clark | 102475 | 75.82 |
| Richland | 97201 | 77.70 |
| Wayne | 87142 | 74.74 |
| Miami | 83936 | 76.10 |
| Columbiana | 79854 | 79.30 |
| Allen | 76554 | 75.54 |
| Ashtabula | 75045 | 77.23 |
| Geauga | 73943 | 77.44 |
| Tuscarawas | 69736 | 75.48 |
| Muskingum | 66512 | 76.97 |
| Ross | 60113 | 78.59 |
| Erie | 59007 | 79.12 |
| Hancock | 57111 | 76.28 |
| Scioto | 56542 | 77.85 |
| Belmont | 52943 | 80.86 |
| Jefferson | 51758 | 80.22 |
| Athens | 51199 | 82.93 |
| Marion | 50845 | 78.20 |
| Union | 49310 | 73.24 |
| Knox | 48210 | 76.35 |
| Pickaway | 47010 | 78.18 |
| Washington | 46992 | 79.68 |
| Sandusky | 45611 | 77.60 |
| Lawrence | 44361 | 78.07 |
| Huron | 43979 | 75.41 |
| Seneca | 42675 | 77.92 |
| Ashland | 40206 | 76.94 |
| Darke | 39067 | 75.72 |
| Shelby | 35941 | 74.99 |
| Logan | 35229 | 76.44 |
| Madison | 35180 | 79.20 |
| Auglaize | 35024 | 75.94 |
| Brown | 33727 | 76.93 |
| Highland | 32954 | 75.72 |
| Ottawa | 32802 | 82.02 |
| Crawford | 32378 | 77.63 |
| Fulton | 32122 | 76.05 |
| Clinton | 31916 | 75.97 |
| Preble | 31613 | 77.55 |
| Mercer | 31113 | 73.24 |
| Holmes | 30902 | 69.57 |
| Champaign | 30092 | 77.55 |
| Guernsey | 29595 | 77.43 |
| Defiance | 29524 | 77.00 |
| Williams | 28361 | 77.24 |
| Coshocton | 27916 | 75.98 |
| Morrow | 27621 | 78.02 |
| Perry | 27080 | 76.20 |
| Putnam | 25313 | 73.77 |
| Jackson | 24737 | 75.77 |
| Hardin | 23368 | 76.67 |
| Gallia | 22131 | 76.13 |
| Van Wert | 21972 | 76.22 |
| Fayette | 21831 | 75.60 |
| Hocking | 21799 | 78.42 |
| Carroll | 21171 | 79.42 |
| Henry | 21046 | 76.34 |
| Adams | 20824 | 75.61 |
| Pike | 20626 | 76.27 |
| Meigs | 17315 | 79.09 |
| Wyandot | 16557 | 76.66 |
| Paulding | 14119 | 75.13 |
| Noble | 11529 | 80.70 |
| Harrison | 11288 | 78.91 |
| Morgan | 10769 | 78.89 |
| Monroe | 10501 | 79.39 |
| Vinton | 10003 | 79.19 |
