Total Population in Hamilton County, IN
ACS 2024 5-Year Estimates
365,056
Rank #206/3,222 · #4 in IN
94th
Hamilton 365,056
IN 6,851,073 -94.7%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Hamilton County's total population of 365,056 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 →| #203 | Anoka County, MN | 370,349 |
| #204 | Washtenaw County, MI | 369,822 |
| #205 | Larimer County, CO | 367,368 |
| #206 | Hamilton County, IN | 365,056 |
| #207 | Rutherford County, TN | 360,646 |
| #208 | St. Lucie County, FL | 360,500 |
| #209 | Galveston County, TX | 358,990 |
About Total Population
Hamilton County, Indiana has a total population of 365,056, ranking #206 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Indiana, it ranks #4 of 92. This places it in the 94th 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.