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Diamond Bar, California

Located in Los Angeles County, California, Diamond Bar was established in 1989. Named for the Diamond Bar Ranch which used a diamond-shaped brand. Significant Asian American population.
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Founded 1989 | Population 55,000 | Peak 55,000 (2024) | County Los Angeles County

Top 10 Most Important Events for Diamond Bar, California

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1890 Higher Education: Educational institutions helped define Diamond Bar's character and economy.
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1942 Military Presence: Military installations became a major part of Diamond Bar's identity and economy.
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1950 Economic Development: Diamond Bar grew through manufacturing and industry.
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1989 Founded: Diamond Bar was founded in Los Angeles County.
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2010 Modern Era: Diamond Bar continued to develop as part of the greater metropolitan area, with new infrastructure and community amenities.
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Latest News in Diamond Bar

Jan 1, 1970
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…
Jan 1, 1970
Outrage Builds as LA Backs Anti-Police Groups with Tax Dollars
LA City Hall’s recent approval of $177 million in contracts has sparked widespread controversy, as the funds are earmarked f…
Jan 1, 1970
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…
Jan 1, 1970
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…
Jan 1, 1970
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…
Jan 1, 1970
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…

Complete Historical Timeline

1890 Culture
Higher Education
1942 Government
Military Presence
1950 Industry
Economic Development
1989 Culture
Founded
2010 Culture
Modern Era

Did You Know?

1
Named for the Diamond Bar Ranch which used a diamond-shaped brand.
2
Significant Asian American population.
3
Affluent planned community in eastern LA County.
4
Diamond Bar is located in Los Angeles County, California.
5
Diamond Bar was founded in 1989.

Famous People from Diamond Bar, California

GP
Gia Paloma
Actor, Pornographic Actor · Born Jun 27, 1984 · Age 41
NM
Nadia Mejia
Beauty Pageant Contestant · Born Nov 22, 1995 · Age 30

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