Median Age in Orange County, CA
ACS 2024 5-Year Estimates
39.4 years
Rank #2,281/3,222 · #31 in CA
29th
Orange 39.4 years
CA 37.9 years +4.0%
US 38.9 years +1.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Orange County's median age of 39.4 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 Orange County for median age.
Nearby Rankings
Full ranking →| #2,278 | Glasscock County, TX | 39.5 years |
| #2,279 | Hopkins County, TX | 39.5 years |
| #2,280 | Wise County, TX | 39.5 years |
| #2,281 | Orange County, CA | 39.4 years |
| #2,282 | Grady County, GA | 39.4 years |
| #2,283 | Habersham County, GA | 39.4 years |
| #2,284 | Murray County, GA | 39.4 years |
About Median Age
Orange County, California has a median age of 39.4 years, ranking #2,281 of 3,222 counties nationwide — 1.3% above the national value of 38.9 years. Within California, it ranks #31 of 58. This places it in the 29th 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.