Median Age in San Juan County, CO
ACS 2024 5-Year Estimates
37.5 years
Rank #2,668/3,222 · #56 in CO
17th
San Juan 37.5 years
CO 37.7 years -0.5%
US 38.9 years -3.6%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How San Juan County's median age of 37.5 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 →| #2,665 | Sacramento County, CA | 37.5 years |
| #2,666 | Gunnison County, CO | 37.5 years |
| #2,667 | Morgan County, CO | 37.5 years |
| #2,668 | San Juan County, CO | 37.5 years |
| #2,669 | Cobb County, GA | 37.5 years |
| #2,670 | Cook County, GA | 37.5 years |
| #2,671 | Coles County, IL | 37.5 years |
About Median Age
San Juan County, Colorado has a median age of 37.5 years, ranking #2,668 of 3,222 counties nationwide — 3.6% below the national value of 38.9 years. Within Colorado, it ranks #56 of 64. This places it in the 17th 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.