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San Mateo

A city of 103,105 people in California
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About San Mateo

City in California, United States
105,661Population
15.9 sq miArea
39 ftElevation

San Mateo is the most populous city in San Mateo County, California, United States, on the San Francisco Peninsula. It is part of the San Francisco Bay Area metropolitan region, and is located about 20 miles (32 km) south of San Francisco. San Mateo borders Burlingame to the north, Hillsborough to the west, San Francisco Bay and Foster City to the east and Belmont to the south. The population was 105,661 at the 2020 census. Some of the biggest economic drivers for the city include technology, health care and education.

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code94401, 94402, 94403
Area code650
Living in San Mateo

Housing in San Mateo

$1.67M▲ 4.6% in a year Typical home value · Zillow

The typical San Mateo home is worth about $1,672,000, up 4.6% in a year, 119% above the California typical home.

A strong seller's market

Buyer’sBalancedSeller’s
Days on market14
Sale-to-list106.8%
Sold in May88
Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in San Mateo

C

Safety Grade C

San Mateo reports more crime per resident than most U.S. towns we grade: about 68% report less. Compared with places its own size, it does better than 71%.

Violent crime per 1,000
San Mateo 1.7
California 4.3
U.S. 3.3
Property crime per 1,000
San Mateo 14.9
California 18.2
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Schools in San Mateo

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A−

School Grade A-

The public schools San Mateo’s kids attend, from kindergarten through graduation, outperform 81% of California’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#172Best public schoolsof 574 in CA
DistrictSan Mateo-Foster CitySchools33

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CA. Ratings are from neighbors.

Famous people from San MateoWriters, athletes, leaders and more who were born in San Mateo.Meet them →

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San Mateo

California · CA
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