Median Age in San Juan County, WA
ACS 2024 5-Year Estimates
57.0 years
Rank #33/3,222 · #2 in WA
99th
San Juan 57.0 years
WA 38.3 years +48.8%
US 38.9 years +46.5%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How San Juan County's median age of 57.0 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 San Juan County for median age.
Nearby Rankings
Full ranking →| #30 | Towns County, GA | 57.4 years |
| #31 | Llano County, TX | 57.4 years |
| #32 | Keweenaw County, MI | 57.1 years |
| #33 | San Juan County, WA | 57.0 years |
| #34 | Citrus County, FL | 56.9 years |
| #35 | Montmorency County, MI | 56.9 years |
| #36 | Aitkin County, MN | 56.9 years |
About Median Age
San Juan County, Washington has a median age of 57.0 years, ranking #33 of 3,222 counties nationwide — 46.5% above the national value of 38.9 years. Within Washington, it ranks #2 of 39. This places it in the 99th 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.