San Mateo is a city located in San Mateo County, California. San Mateo has a 2025 population of 98,441. San Mateo is currently declining at a rate of -1.44% annually and its population has decreased by -6.83% since the most recent census, which recorded a population of 105,656 in 2020.
The average household income in San Mateo is $204,984 with a poverty rate of 7.94%.The median age in San Mateo is 38 years: 36.3 years for males, and 40.1 years for females.
Data after 2023 is projected based on recent change
The racial composition of San Mateo includes 41.24% White, 27.06% Asian, 13.9% other race, and smaller percentages for Native Hawaiian or Pacific Islander, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 42,707 | 41.24% |
Asian | 28,025 | 27.06% |
Other race | 14,392 | 13.9% |
Two or more races | 13,801 | 13.33% |
Native Hawaiian or Pacific Islander | 1,701 | 1.64% |
Black or African American | 1,539 | 1.49% |
Native American | 1,390 | 1.34% |
Married
Widowed
Divorced
Separated
Never Married
San Mateo's average per capita income is $92,841. Household income levels show a median of $152,669. The poverty rate stands at 7.94%.
Name | Median | Mean |
---|---|---|
Married Families | $221,509 | - |
Families | $190,044 | $241,330 |
Households | $152,669 | $204,984 |
Non Families | $101,675 | $136,387 |
Average Income
Median Household Income
Poverty Rate