Total Population in Hamilton County, OH
ACS 2024 5-Year Estimates
830,774
Rank #75/3,222 · #3 in OH
98th
Hamilton 830,774
OH 12M -93.0%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Hamilton County's total population of 830,774 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Hamilton County for total population.
Nearby Rankings
Full ranking →| #72 | Baltimore County, MD | 850,796 |
| #73 | Snohomish County, WA | 844,430 |
| #74 | Ventura County, CA | 837,469 |
| #75 | Hamilton County, OH | 830,774 |
| #76 | San Francisco County, CA | 830,235 |
| #77 | Lee County, FL | 817,666 |
| #78 | Essex County, MA | 813,054 |
About Total Population
Hamilton County, Ohio has a total population of 830,774, ranking #75 of 3,222 counties nationwide — 99.7% below the national value of 330M. Within Ohio, it ranks #3 of 88. This places it in the 98th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.