Median Age in San Luis Obispo County, CA
ACS 2024 5-Year Estimates
How San Luis Obispo County Compares
National Distribution
Where San Luis Obispo County falls among all 3,222 U.S. counties for median age.
■ San Luis Obispo County: 40.4 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,973 | Falls Church city, VA | 40.5 years |
| #1,974 | Racine County, WI | 40.5 years |
| #1,975 | Pinal County, AZ | 40.4 years |
| #1,976 | San Luis Obispo County, CA | 40.4 years |
| #1,977 | Pueblo County, CO | 40.4 years |
| #1,978 | Clay County, FL | 40.4 years |
| #1,979 | Candler County, GA | 40.4 years |
Median Age in San Luis Obispo County, California
San Luis Obispo County, California has a median age of 40.4 years, which ranks #1,976 of 3,222 out of 3,222 counties nationwide. This is 3.9% above the national value of 38.9 years.
Within California, San Luis Obispo County ranks #23 of 58 out of 58 counties. This places it in the 39th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.