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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.
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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

Mar 22, 2026
Parolee with Prior Double-Murder Conviction Sentenced to Life Without Parole in Killing of South Los Angeles Woman
LOS ANGELES—A man previously convicted of two murders in 1998 was sentenced to life in prison without the possibility of parole …
Mar 16, 2026
Study: Cannabis Ineffective for Most Mental Disorders
A major review of past studies has delivered a clear verdict on the role of cannabis-based medicines in treating mental health and…
Mar 16, 2026
Investigator Exposes $170M Fraud in California
Investigator Nick Shirley has brought to light a massive $170 million fraud scheme operating within California, representing a sig…
Mar 15, 2026
NYPD Captain Arrested for Assaulting Alleged Child Predator
NYPD Captain Kai Bowen is now facing serious legal repercussions following an off-duty incident that escalated into violence. Repo…
Mar 13, 2026
What’s Behind Trump’s Push to Revive California Oil?
The Trump administration’s directive to Sable Offshore Corp. to restore the Santa Ynez oil unit in California represents a s…
Mar 10, 2026
CBS Investigation Reveals Hospice Fraud Hotspot in Los Angeles
CBS News has exposed a troubling epicenter of hospice fraud in Los Angeles, California, shedding light on a systemic issue that ha…

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
RS
Rena Sofer
Actor, Television Actor · Born Dec 2, 1968 · Age 57

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SF
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F
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S
Sacramento
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