Median Age in Jefferson County, WA
ACS 2024 5-Year Estimates
How Jefferson County Compares
National Distribution
Where Jefferson County falls among all 3,222 U.S. counties for median age.
■ Jefferson County: 59.8 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #8 | Charlotte County, FL | 59.9 years |
| #9 | Terrell County, TX | 59.9 years |
| #10 | Ontonagon County, MI | 59.8 years |
| #11 | Jefferson County, WA | 59.8 years |
| #12 | McCormick County, SC | 59.5 years |
| #13 | Menard County, TX | 59.5 years |
| #14 | Real County, TX | 59.5 years |
Median Age in Jefferson County, Washington
Jefferson County, Washington has a median age of 59.8 years, which ranks #11 of 3,222 out of 3,222 counties nationwide. This is 53.7% above the national value of 38.9 years.
Within Washington, Jefferson County ranks #1 of 39 out of 39 counties. This places it in the 100th 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.