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Santa Ana, California

"Downtown of Orange County"

The county seat and urban heart of Orange County — a vibrant, densely populated Latino city serving as the governmental center of one of America's wealthiest counties.

Founded 1869 | Population 318,663 | Peak 340,378 (2010) | County Orange County

Top 10 Most Important Events for Santa Ana, California

1889 Orange County Created: Orange County separated from LA County with Santa Ana as county seat, anchoring the city's identity as OC's governmental hub.

1970 Latino Immigration Transforms City: Demographics shifted dramatically as Mexican and Central American immigrants settled in the city. By 2000, over 76% of residents were Latino.

1869 Santa Ana Founded: William Spurgeon purchased acreage and platted the town along the Santa Ana River, growing as an agricultural center.

1933 Earthquake Devastates Downtown: The 1933 earthquake caused significant damage, leading to rebuilding that shaped the modern downtown.

2012 Downtown Arts Renaissance: The Artists Village and monthly art walks transformed downtown into a vibrant cultural destination.

1906 Pacific Electric Railway Arrives: The Red Car connected Santa Ana to LA and the rest of Southern California.

1877 Southern Pacific Railroad Arrives: The railroad transformed the agricultural town into a shipping center for citrus and produce.

1990 Most Densely Populated City in OC: Santa Ana reached over 11,000 people per square mile, reflecting its role as OC's urban core.

2017 Sanctuary City Declaration: Santa Ana declared sanctuary status, reflecting its large immigrant population and sparking debate.

1955 Disneyland Opens Nearby: Disneyland's opening in adjacent Anaheim transformed the entire region's growth patterns.

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Latest News in Santa Ana

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

1769 Government

Portolá expedition camps along the Santa Ana River

1869 Government

William Spurgeon founds Santa Ana

1877 Transport

Southern Pacific Railroad reaches city

1886 Government

Santa Ana incorporated

1889 Government

Becomes county seat of new Orange County

1906 Transport

Pacific Electric connects to LA

1933 Disaster

Earthquake damages downtown

1955 Business

Disneyland opens nearby

1970 Social

Latino immigration transformation begins

1990 Government

Most densely populated city in OC

2012 Culture

Artists Village revitalizes downtown

2017 Politics

Sanctuary city declaration

2024 Transport

OC Streetcar project advances

Did You Know?

Santa Ana is the most densely populated city in Orange County, with over 11,000 people per square mile.

The Bowers Museum is considered one of the finest cultural art museums in Southern California.

Despite being the county seat of one of America's wealthiest counties, Santa Ana has one of OC's lowest median household incomes.

Famous People from Santa Ana, California

Michelle Pfeiffer

Singer, Stage Actor · Born Apr 29, 1958 · Age 67

Michael B. Jordan

Actor, Executive Producer · Born Feb 9, 1987 · Age 39

Jolene Marie Rotinsulu

Actor, Singer · Born May 15, 1996 · Age 29

Lindsey Stirling

Composer, Singer · Born Sep 21, 1986 · Age 39

Jeffree Star

Businessperson, Singer · Born Nov 15, 1985 · Age 40

Other Cities in California

View all California cities →

Los Angeles

Pop. 3,898,747

San Diego

Pop. 1,386,932

San Jose

Pop. 1,013,240

San Francisco

Pop. 873,965

Fresno

Pop. 542,107

Sacramento

Pop. 524,943

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