Median Household Income in San Mateo County, CA
ACS 2024 5-Year Estimates
Median Household Income Trend
Rankings →Percentile Rank Over Time
Year-over-Year Income Change
National Distribution
How San Mateo County's median household income of $158,855 compares to all 3,222 U.S. counties. Values range from $16,314 to $181,765.
Distribution of Median Household Income Across All Counties
Ranking Context
Counties ranked closest to San Mateo County for median household income.
Nearby Rankings
Full ranking →| #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 |
About Median Household Income
San Mateo County, California has a median household income of $158,855, ranking #3 of 3,222 counties nationwide — 111.4% above the national value of $75,149. Within California, it ranks #2 of 58. This places it in the 100th percentile nationally.
The median annual income for all households, including wages, investments, and government transfers. 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.