General information about the city of Antioch
in California's Contra Costa County.
Quick Facts About Antioch
STATUS: Incorporated City
INCORPORATED: 1872 February 6
POPULATION: Greater than 108,000
SIZE: About 29 square miles
POPULATION DENSITY: More than 3,500 people per square mile
TELEPHONE AREA CODE: 925
POSTAL ZIP CODE: 94509 and 94531
COUNTY: Contra Costa County
TOURISM REGION: California Delta | SF East Bay Area
LOCATION: Northern California
Wikipedia Introduction to Antioch California
Artcle with general information and facts about Antioch, California.
Includes the city's history, geography, climate, natural areas,
demographics, economy, top employers, transportation, arts,
culture, science, government, education, media, fraternal orders,
sister cities, and notable residents.
Antioch Historical Solciety
Census Bureau Antioch Facts
Antioch California Travel Guide
About Contra Costa County
California Delta Region
San Francisco East Bay Area