Median Age in St. Johns County, FL
ACS 2024 5-Year Estimates
How St. Johns County Compares
National Distribution
Where St. Johns County falls among all 3,222 U.S. counties for median age.
■ St. Johns County: 44.2 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #880 | Hall County, TX | 44.3 years |
| #881 | Lamar County, AL | 44.2 years |
| #882 | Monroe County, AL | 44.2 years |
| #883 | St. Johns County, FL | 44.2 years |
| #884 | Gem County, ID | 44.2 years |
| #885 | Macoupin County, IL | 44.2 years |
| #886 | Washington County, IL | 44.2 years |
Median Age in St. Johns County, Florida
St. Johns County, Florida has a median age of 44.2 years, which ranks #883 of 3,222 out of 3,222 counties nationwide. This is 13.6% above the national value of 38.9 years.
Within Florida, St. Johns County ranks #30 of 67 out of 67 counties. This places it in the 73th percentile nationally.
The median age of the total population. 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.