Median Age in San Bernardino County, CA
ACS 2024 5-Year Estimates
34.7 years
Rank #2,987/3,222 · #48 in CA
7th
San Bernardino 34.7 years
CA 37.9 years -8.4%
US 38.9 years -10.8%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How San Bernardino County's median age of 34.7 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 Bernardino County for median age.
Nearby Rankings
Full ranking →| #2,984 | Dawson County, TX | 34.8 years |
| #2,985 | Manassas city, VA | 34.8 years |
| #2,986 | Sevier County, AR | 34.7 years |
| #2,987 | San Bernardino County, CA | 34.7 years |
| #2,988 | Camden County, GA | 34.7 years |
| #2,989 | Madison County, KY | 34.7 years |
| #2,990 | Leflore County, MS | 34.7 years |
About Median Age
San Bernardino County, California has a median age of 34.7 years, ranking #2,987 of 3,222 counties nationwide — 10.8% below the national value of 38.9 years. Within California, it ranks #48 of 58. This places it in the 7th 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.