Median Household Income in San Mateo County, CA
ACS 2024 5-Year Estimates
How San Mateo County Compares
National Distribution
Where San Mateo County falls among all 3,222 U.S. counties for median household income.
■ San Mateo County: $158,855
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1 | Loudoun County, VA | $181,765 |
| #2 | Santa Clara County, CA | $164,281 |
| #3 | San Mateo County, CA | $158,855 |
| #4 | Fairfax County, VA | $153,637 |
| #5 | Howard County, MD | $149,763 |
| #6 | Douglas County, CO | $149,594 |
Median Household Income in San Mateo County, California
San Mateo County, California has a median household income of $158,855, which ranks #3 of 3,222 out of 3,222 counties nationwide. This is 111.4% above the national value of $75,149.
Within California, San Mateo County ranks #2 of 58 out of 58 counties. This places it in the 100th percentile nationally.
The median annual income for all households, including wages, investments, and government transfers. 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.