Median Age in Santa Clara County, CA
ACS 2024 5-Year Estimates
38.1 years
Rank #2,555/3,222 · #36 in CA
21th
Santa Clara 38.1 years
CA 37.9 years +0.5%
US 38.9 years -2.1%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Santa Clara County's median age of 38.1 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 Santa Clara County for median age.
Nearby Rankings
Full ranking →| #2,552 | Colonial Heights city, VA | 38.2 years |
| #2,553 | Brown County, WI | 38.2 years |
| #2,554 | Southeast Fairbanks Census Area, AK | 38.1 years |
| #2,555 | Santa Clara County, CA | 38.1 years |
| #2,556 | Baker County, FL | 38.1 years |
| #2,557 | Escambia County, FL | 38.1 years |
| #2,558 | Jackson County, GA | 38.1 years |
About Median Age
Santa Clara County, California has a median age of 38.1 years, ranking #2,555 of 3,222 counties nationwide — 2.1% below the national value of 38.9 years. Within California, it ranks #36 of 58. This places it in the 21th 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.