United States › California › San Mateo CITY · 2020 ACS
San Mateo California · 105,661 residents · 12.1 sq mi
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The short version
With 105,661 people, San Mateo is a city in California. Home values have more than doubled since 2000, reaching $1,186,400. Renters pay $2,658 a month at the median. 56% of adults hold a bachelor's degree, against 33% nationally. Households here earn about 60% more than in California as a whole. 35% of locals were born outside the United States.
At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 38.3
US median: 38.8
More educated
56% hold a bachelor's degree
US average: 33%
Less affordable
home values up 74%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 37.5 in 2000
US average: 38.8
Population, 1990 – 2024
83K 90K 96K 102K 108K 1990 2000 2010 2020 2024 San Mateo Age distribution, 2020
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Section 02
Income & economy $126,102
+30%inflation adjusted, since 2000
from $64,757 in 2000
US average: $66,278
from $36,176 in 2000
US average: $35,364
Households earning $100K+
from 54.5% in 2009
US average: 43.9%
from 6.1% in 2000
US average: 12.8%
Workforce by industry, 2020
Public administration 6.1%
Arts, entertainment, food 4.9%
Professional, scientific, technical 4.1%
Transportation & warehousing 2%
Agriculture, forestry, fishing 0.5%
Education & health services 0.4%
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$1,186,400
+74%inflation adjusted, since 2000
from $453,600 in 2000
US average: $265,253
$2,658
+51%inflation adjusted, since 2000
from $1,168 in 2000
US average: $1,124
from 53.9% in 2000
50.2% rent
from 2.47 people in 2009
US average: 2.61
from 9.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 56.5%(52,260)
Hispanic / Latino 20.5%(18,973)
2020
White, non-Hispanic 38.3%(40,519)
Hispanic / Latino 25.7%(27,198)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 9 more hispanic origin groups with data Asian origin
+ 1 more asian origin group with data Ancestry
+ 42 more ancestry groups with data from 38.6% in 2000
US average: 32.9%
High school or higher
from 85.9% in 2000
US average: 88.5%
from 13.1% in 2000
US average: 12.7%
Section 06
Commute & transportation from 17.5 min in 2000
US average: 26.9
from 72.0% in 2009
US average: 75.1%
from 7.2% in 2009
US average: 8.4%
Section 07
Work & employment from 6.6% in 2011
US average: 5.4%
from 70.6% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 43.6% in 2009
US average: 39.3%
Section 08
People & community from 33.7% in 2009
US average: 13.5%
from 11.7% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 38.9%(16,351)
Women 15+
Never married 32.6%(14,360)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 11.7% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 13.9%(365)
Share of the 2,633 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to San Mateo Head to head
Compare San Mateo to nearby cities SAN MATEO VS
Hillsborough
Income $250,001 +98%
Home value $2,000,001 +69%
Population 11,206 −89%
SEE FULL COMPARISON →
SAN MATEO VS
Foster City
Income $199,143 +58%
Home value $1,838,200 +55%
Population 32,411 −69%
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SAN MATEO VS
Belmont
Income $205,297 +63%
Home value $2,000,001 +69%
Population 28,752 −72%
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SAN MATEO VS
Burlingame
Income $174,000 +38%
Home value $2,000,001 +69%
Population 31,929 −69%
SEE FULL COMPARISON →
Frequently asked
How many people live in San Mateo, California? San Mateo, California has about 105,661 residents according to the 2020 American Community Survey.
What is the median household income in San Mateo, California? The typical household in San Mateo, California earns about $126,102 a year. Half of households make more than that, and half make less.
Is San Mateo, California expensive? In San Mateo, California, the median home is worth about $1,186,400, and the typical rent is about $2,658 a month.
How educated are people in San Mateo, California? About 56.4% of adults age 25 and over in San Mateo, California hold a bachelor's degree or higher.
What is the poverty rate in San Mateo, California? About 7.8% of people in San Mateo, California live below the federal poverty line.
Has San Mateo, California grown since 1990? Yes, San Mateo, California has grown since 1990. The population has added about 20,175 residents, a change of about 24 percent over that period.
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