Total Population in Marion County, OH
ACS 2024 5-Year Estimates
How Marion County Compares
National Distribution
Where Marion County falls among all 3,222 U.S. counties for total population.
■ Marion County: 65,020
Ranking Context
| Rank | County | Value |
|---|---|---|
| #844 | Warrick County, IN | 65,261 |
| #845 | Tehama County, CA | 65,167 |
| #846 | Nacogdoches County, TX | 65,162 |
| #847 | Marion County, OH | 65,020 |
| #848 | Harrison County, WV | 64,984 |
| #849 | Rutherford County, NC | 64,930 |
| #850 | Walker County, AL | 64,841 |
Total Population in Marion County, Ohio
Marion County, Ohio has a total population of 65,020, which ranks #847 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Ohio, Marion County ranks #38 of 88 out of 88 counties. This places it in the 74th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
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.