San Mateo County, California Race & Ethnicity Demographics (2024)
Racial distribution and diversity statistics for San Mateo County, California
San Mateo County, California Diversity Indicators (2024)
Total Population
742,340
Diversity Score
71.8
Diversity Tier
High
Largest Group
White (Non-Hispanic)
34.7%%
San Mateo County, California Racial & Ethnic Breakdown
San Mateo County, California Historical Diversity Trend (2010–2024)
Since 2010, the diversity index of San Mateo County, California has increased slightly.
San Mateo County, California Population by Race & Ethnicity
| Race / Ethnicity | Population | Percentage |
|---|---|---|
| White (Non-Hispanic) | 257,595 | 34.7% |
| Asian | 230,413 | 31.0% |
| Hispanic or Latino | 184,940 | 24.9% |
| Two or More Races | 38,779 | 5.2% |
| Black / African American | 14,709 | 2.0% |
| Pacific Islander | 8,031 | 1.1% |
| Other Race | 7,012 | 0.9% |
| Native American | 861 | 0.1% |
Diversity & Demographics FAQs for San Mateo County, California
The largest racial or ethnic group in San Mateo County, California is White (Non-Hispanic), which makes up 34.7% of the total population.
Since 2010, the diversity index for San Mateo County, California has increased slightly. The area currently has a diversity score of 71.8/100, which is considered a High level of diversity.