San Mateo County, California's estimated 2023 population is 778,239 with a growth rate of 0.59% in the past year according to the most recent United States census data. San Mateo County, California is the 15th largest county in California. The 2010 population was 718,451 and has seen a growth of 8.32% since that time.
White
Asian
Other race
Two or more races
Black or African American
Native Hawaiian or Pacific Islander
Native American
3.36
Average Family Size
2.87
Average Household Size
59.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 87.58%.
The highest rate of bachelors degrees is among white people with a rate of 55.48%.
All
Male
Female
$64,489
Average Earnings
$72,259
Average Male
$56,781
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
54.43% of San Mateo County, California residents speak only English, while 45.57% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 26.65% of the population.
rate
7.39%
Overall Poverty Rate
5.54%
Male Poverty Rate
6.8%
Female Poverty Rate
The race most likely to be in poverty in San Mateo County, California is Native, with 28.64% below the poverty level.
The race least likely to be in poverty in San Mateo County, California is White, with 5.26% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.11%. Among those working part-time, it was 8.26%, and for those that did not work, the poverty rate was 13.1%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
52.6%
Overall Marriage Rate
54.1%
Male Marriage Rate
51.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
23,314
Number of Veterans
21,699
Male Veterans
1,615
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
5%
Veteran Poverty Rate
26.67%
Veteran Disability Rate
LaborForceParticipation
68.8%
Labor Force Participation
66%
Employment Rate
4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
48.25%
Born in San Mateo County, California
65.15%
Native Born
35.01%
Foreign Born
14.4%
Non Citizen
20.6%
Naturalized
65.15% of San Mateo County, California residents were born in the United States, with 48.25% having been born in California. 14.4% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.