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San Mateo, California

Located in San Mateo County, California, San Mateo was established in 1863. San Mateo sits on the SF Peninsula between San Francisco and Silicon Valley. Home to many tech workers and companies in the Silicon Valley ecosystem.
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Founded 1863 | Population 105,000 | Peak 105,000 (2024) | County San Mateo County

Top 10 Most Important Events for San Mateo, California

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1863 Founded: Peninsula community between SF and San Jose.
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1929 San Mateo Bridge: Bay bridge connects to East Bay.
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1942 Military Presence: Military installations became a major part of San Mateo's identity and economy.
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2000 Tech Economy: Silicon Valley wealth transforms city.
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Latest News in San Mateo

Mar 9, 2026
Scrutiny Intensifies on California Governor’s Wife’s Nonprofit: High Pay and Donor Ties Raise Ethical Questions
In the glittering world of California politics, where public service often intersects with personal ambition and philanthropy, a f…
Mar 8, 2026
NYPD Confirms Viable IED at Mayor Mamdani Protests
New York City faces a grave security threat after the NYPD confirmed that a device thrown near protests at Mayor Mamdani’s r…
Mar 8, 2026
Could $8 Gas Be Coming to California Soon?
Gas prices in Southern California continue their relentless climb, with a stark warning from an expert suggesting that drivers mig…
Mar 6, 2026
Suspect Detained After Broad-Daylight Attack in SF
The recent surveillance footage from San Francisco’s Chinatown has exposed a harrowing incident of violence, where a stabbin…
Mar 6, 2026
Washington Passes Bill for Noncitizens in Law Enforcement
Washington state has enacted a new law that opens the door for noncitizens to join the ranks of law enforcement and prosecution, m…
Mar 5, 2026
Oregon Democrats Block ICE Notification for Felony Convicts
Oregon Democratic senators have unanimously blocked a bill that would have mandated state authorities to notify U.S. Immigration a…

Complete Historical Timeline

1863 Culture
Founded
1929 Transport
San Mateo Bridge
1942 Government
Military Presence
2000 Business
Tech Economy

Did You Know?

1
San Mateo sits on the SF Peninsula between San Francisco and Silicon Valley.
2
Home to many tech workers and companies in the Silicon Valley ecosystem.
3
San Mateo County is one of the wealthiest counties in America.
4
San Mateo was founded in 1863.
5
San Mateo has a population of approximately 105,000.

Famous People from San Mateo, California

TB
Tom Brady
American Football Player · Born Aug 3, 1977 · Age 48
BB
Barry Bostwick
Actor, Singer · Born Feb 24, 1945 · Age 81
DH
Dennis Haysbert
Actor, Voice Actor · Born Jun 2, 1954 · Age 71
KC
Keith Carradine
Screenwriter, Actor · Born Aug 8, 1949 · Age 76
DV
Diane Varsi
Actor, Ballet Dancer · Born Feb 23, 1938 · Died Nov 19, 1992 (age 54)

Other Cities in California

View all California cities →
LA
Los Angeles
Pop. 3,898,747
SD
San Diego
Pop. 1,386,932
SJ
San Jose
Pop. 1,013,240
SF
San Francisco
Pop. 873,965
F
Fresno
Pop. 542,107
S
Sacramento
Pop. 524,943
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