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Arcadia, California

Located in Los Angeles County, California, Arcadia was established in 1903. Santa Anita Park is one of America's most famous horse racing tracks. During WWII, Santa Anita was used as a Japanese American internment assembly center.

Founded 1903 | Population 56,000 | Peak 56,000 (2024) | County Los Angeles County

Top 10 Most Important Events for Arcadia, California

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1885 Railroad Era: Railroad connections spurred growth and commerce in Arcadia.

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1903 Founded: Arcadia was founded as a railroad town in Los Angeles County.

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1934 Santa Anita: Santa Anita Park racetrack opens.

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1942 Military Presence: Military installations became a major part of Arcadia's identity and economy.

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1950 Economic Development: Arcadia grew through the lumber industry.

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Latest News in Arcadia

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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…

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

1885 Transport

Railroad Era

1903 Culture

Founded

1934 Sports

Santa Anita

1942 Government

Military Presence

1950 Industry

Economic Development

Did You Know?

1

Santa Anita Park is one of America's most famous horse racing tracks.

2

During WWII, Santa Anita was used as a Japanese American internment assembly center.

3

The LA County Arboretum is in Arcadia.

4

Arcadia is located in Los Angeles County, California.

5

Arcadia was founded in 1903.

Famous People from Arcadia, California

TD

Tracy Caldwell Dyson

Astronaut, Physicist · Born Aug 14, 1969 · Age 56

SL

Steven Lindsey

Astronaut, Engineer · Born Aug 24, 1960 · Age 65

LP

Lindsay Price

Actor, Singer · Born Dec 6, 1976 · Age 49

BM

Beverley Mitchell

Screenwriter, Actor · Born Jan 22, 1981 · Age 45

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Rena Sofer

Actor, Television Actor · Born Dec 2, 1968 · Age 57

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