Median Age in Sussex County, DE
ACS 2024 5-Year Estimates
How Sussex County Compares
National Distribution
Where Sussex County falls among all 3,222 U.S. counties for median age.
■ Sussex County: 51.9 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #137 | Plumas County, CA | 52.0 years |
| #138 | Treasure County, MT | 52.0 years |
| #139 | Northampton County, NC | 52.0 years |
| #140 | Sussex County, DE | 51.9 years |
| #141 | Essex County, VT | 51.9 years |
| #142 | Marion County, AR | 51.8 years |
| #143 | McIntosh County, GA | 51.8 years |
Median Age in Sussex County, Delaware
Sussex County, Delaware has a median age of 51.9 years, which ranks #140 of 3,222 out of 3,222 counties nationwide. This is 33.4% above the national value of 38.9 years.
Within Delaware, Sussex County ranks #1 of 3 out of 3 counties. This places it in the 96th 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.