Total Population in St. Johns County, FL
ACS 2024 5-Year Estimates
306,934
Rank #236/3,222 · #22 in FL
93th
St. Johns 306,934
FL 22M -98.6%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How St. Johns County's total population of 306,934 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 St. Johns County for total population.
Nearby Rankings
Full ranking →| #233 | McHenry County, IL | 312,591 |
| #234 | Cumberland County, ME | 308,827 |
| #235 | Gloucester County, NJ | 306,954 |
| #236 | St. Johns County, FL | 306,934 |
| #237 | Lexington County, SC | 304,887 |
| #238 | Benton County, AR | 303,632 |
| #239 | Greene County, MO | 303,375 |
About Total Population
St. Johns County, Florida has a total population of 306,934, ranking #236 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Florida, it ranks #22 of 67. This places it in the 93th 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.