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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

May 19, 2026
This Innocent Looking Boy Grew Up To Become One Of The World’s Most Evil Men
Theodore Kaczynski showed troubling signs of anger and isolation long before authorities accused him of carrying out one of the mo…
May 6, 2026
He Had A Tough Childhood And His Dad Was A Bank Robber But Today He’s A Hollywood Star
Before he ever put on a Spider-Man suit, Tobey Maguire was fighting battles far from Hollywood red carpets and blockbuster premier…
May 4, 2026
Wheel of Fortune Contestant Misses Out On $61,000 Over This Tough Puzzle
A Wheel of Fortune contestant saw $61,000 slip away in the Bonus Round last week, leaving fans stunned over what many called one o…
Apr 20, 2026
Dead or Missing Scientists Pose “National Security Threat,” Top House Republican Warns as Oversight Committee Launches Probe
House Oversight Committee Chairman James Comer (R-Ky.) has declared a series of deaths and disappearances involving at least 11 Am…
Apr 18, 2026
Trump’s Psychedelic Pivot: Executive Order Accelerates Review of Mind-Altering Drugs for Mental Health Crisis
President Donald Trump signed an executive order on Saturday directing federal agencies to fast-track the review and potential app…
Apr 16, 2026
White House Signals Review of Mysterious Deaths and Disappearances Among U.S. Scientists in Sensitive Fields
The Trump administration has indicated it will examine a cluster of unexplained deaths and disappearances involving at least 10 Am…

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

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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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