Total Population in Marion County, FL
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: 400,078
Ranking Context
| Rank | County | Value |
|---|---|---|
| #182 | Orange County, NY | 406,616 |
| #183 | Madison County, AL | 405,718 |
| #184 | Genesee County, MI | 403,305 |
| #185 | Marion County, FL | 400,078 |
| #186 | Pulaski County, AR | 399,818 |
| #187 | Collier County, FL | 398,291 |
| #188 | Butler County, OH | 392,876 |
Total Population in Marion County, Florida
Marion County, Florida has a total population of 400,078, which ranks #185 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.
Within Florida, Marion County ranks #18 of 67 out of 67 counties. This places it in the 94th 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.