Median Age in St. Lucie County, FL
ACS 2024 5-Year Estimates
45.1 years
Rank #722/3,222 · #27 in FL
78th
St. Lucie 45.1 years
FL 42.6 years +5.9%
US 38.9 years +15.9%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How St. Lucie County's median age of 45.1 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to St. Lucie County for median age.
Nearby Rankings
Full ranking →| #719 | Monroe County, TN | 45.2 years |
| #720 | Aguadilla Municipio, PR | 45.2 years |
| #721 | Culebra Municipio, PR | 45.2 years |
| #722 | St. Lucie County, FL | 45.1 years |
| #723 | Crawford County, GA | 45.1 years |
| #724 | Page County, IA | 45.1 years |
| #725 | Ness County, KS | 45.1 years |
About Median Age
St. Lucie County, Florida has a median age of 45.1 years, ranking #722 of 3,222 counties nationwide — 15.9% above the national value of 38.9 years. Within Florida, it ranks #27 of 67. This places it in the 78th percentile nationally.
The median age of the total population. 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.