Median Age in Washington County, ID
ACS 2024 5-Year Estimates
How Washington County Compares
National Distribution
Where Washington County falls among all 3,222 U.S. counties for median age.
■ Washington County: 45.0 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #739 | Quebradillas Municipio, PR | 45.1 years |
| #740 | Elbert County, CO | 45.0 years |
| #741 | Putnam County, FL | 45.0 years |
| #742 | Washington County, ID | 45.0 years |
| #743 | Owen County, IN | 45.0 years |
| #744 | Ballard County, KY | 45.0 years |
| #745 | Chase County, NE | 45.0 years |
Median Age in Washington County, Idaho
Washington County, Idaho has a median age of 45.0 years, which ranks #742 of 3,222 out of 3,222 counties nationwide. This is 15.7% above the national value of 38.9 years.
Within Idaho, Washington County ranks #12 of 44 out of 44 counties. This places it in the 77th 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.