Total Population in Ohio
ACS 2024 5-Year Estimates
Total Population
12M
Rank #7 of 52
How Ohio Compares
Ohio
12M
National
330M
96.4% below
State Ranking
| Rank | State | Value |
|---|---|---|
| #4 | New York | 20M |
| #5 | Pennsylvania | 13M |
| #6 | Illinois | 13M |
| #7 | Ohio | 12M |
| #8 | Georgia | 11M |
| #9 | North Carolina | 11M |
| #10 | Michigan | 10M |
Highest Population Counties in Ohio
| # | County | Population |
|---|---|---|
| 1 | Franklin County | 1,333,048 |
| 2 | Cuyahoga County | 1,245,873 |
| 3 | Hamilton County | 830,774 |
| 4 | Summit County | 537,864 |
| 5 | Montgomery County | 536,096 |
| 6 | Lucas County | 428,018 |
| 7 | Butler County | 392,876 |
| 8 | Stark County | 373,713 |
| 9 | Lorain County | 317,129 |
| 10 | Warren County | 250,008 |
Lowest Population Counties in Ohio
| # | County | Population |
|---|---|---|
| 88 | Vinton County | 12,630 |
| 87 | Monroe County | 13,227 |
| 86 | Morgan County | 13,651 |
| 85 | Noble County | 14,282 |
| 84 | Harrison County | 14,306 |
| 83 | Paulding County | 18,791 |
| 82 | Wyandot County | 21,598 |
| 81 | Meigs County | 21,896 |
| 80 | Carroll County | 26,659 |
| 79 | Pike County | 27,044 |
Total Population in Ohio
Ohio has a total population of 12M, ranking #7 of 52 among all 52 states and territories. This is 96.4% below the national value of 330M.
Across Ohio's 88 counties, total population ranges from 12,630 to 1,333,048. The county with the highest value is Franklin County at 1,333,048.
Total population count from the American Community Survey.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.