Antioch , Contra Costa County, California

City in California, United States of America

Antioch, CA locator map
Location of Antioch, CA on California map.


Antioch is a city located in the county of Contra Costa in the U.S. state of California. In the 2010 census it had a population of 102,372 inhabitants and a population density of 1,312 people per km². After 9 years in 2019 city had an estimated population of 111,502 inhabitants.

The city was created 149 years ago in 1872.

The city has a total area of 30.12 square miles (78.02 km2).

Antioch map

Antioch, CA Quick Facts

Population : 111,502 (2019)
Country : United States of America
State : California
County : Contra Costa County
Postal code : 94509, 94531
Phone Area Codes : 925
Area : 78.02 km2
Water as percent of area : 2.52%
Land as percent of area : 97.48%
Altitude : 43 feet / 13 meters
Establishment : February 02, 1872 (149 years ago)
Time Zone : UTC−08:00
Local time : 06:54:25 (14th April 2021)
Zip Code : 94509
Density : 1,429 Pop. per km² as of 2019
Population growth : 8.19% (2010-2019)

Antioch, CA has 3 neighbors .

  • Brentwood city in California, United States
  • Pittsburg city in California
  • Rio Vista city in Solano County, California, United States of America

Year Population Method
1870 700
2010 102,372 census
2011 104,193 estimation process
2012 105,565 estimation process
2013 107,351 estimation process
2014 109,071 estimation process
2015 110,308 estimation process
2016 111,088 estimation process
2017 111,494 estimation process
2018 111,578 estimation process
2019 111,502 estimation process

The population of Antioch increased by 8.19% in 9 years.

Antioch, CA zip code is 94509. County name: Contra Costa, County fips: 06013

Antioch, Antiocheia, Antiok, Antiokas, East Antioch, Marshs Landing, Smith's Landing, an tiao ke, antiokku, antywch kalyfrnya, antywk, entiyaka, Αντιόχεια, Антиок, Антиоч, آنتیوچ، کالیفرنیا, أنتيوك, اینٹیوخ, एन्टियक, アンティオック, 安條克

People born in Antioch, CA (30)

Many people were born here, including actor Tyler Steelman, conductor, composer, and arranger Carmen Dragon, lyricist Johnny Burke, you can see a list of people who born in Antioch, CA.

Stations (52)

Amtrak & bus stations near Antioch, CA

Code Name Address Type
ACA Antioch–Pittsburg 100 I Street RAIL
RVT Rio Vista, CA 28 South Front Street BUS
MTZ Martinez station 601 Marina Vista Ave. RAIL
SUI Suisun–Fairfield station 177 Main Street RAIL
LIV Livermore, California 2500 Railroad Avenue BUS
VAS Livermore, CA 575 South Vasco Road RAIL
DBP Dublin-Pleasanton, California 5801 Owens Drive BUS
PLS Pleasanton, CA 4950 Pleasanton Avenue RAIL
VMW Marine World (Seasonal), Vallejo, California Highway 37 and Fairgrounds Drive BUS
VAL Vallejo, California 4355 Sonoma Blvd. BUS

Other cities in Contra Costa County

Cities, Towns, Neighborhoods & Other Populated Places in Contra Costa County , CA. (more)

City Name Population Title
Concord 129,295 Capital city of state of New Hampshire, United States; county seat of Merrimack County, New Hampshire
Richmond 110,567 City in Contra Costa County, California, United States
San Ramon 75,995 City in California, United States
Pittsburg 72,588 City in California
Walnut Creek 70,166 City in Contra Costa County, California, USA
Brentwood 64,474 City in California, United States
Danville 44,510 Town in Contra Costa County, California
Oakley 42,543 City in California
Martinez 38,297 City in Contra Costa County, California, USA
Pleasant Hill 34,839 City in Contra Costa County, California, USA
San Pablo 30,990 City in Contra Costa County, California, United States
Lafayette 26,638 City in California
Hercules 26,276 Constellation in the northern celestial hemisphere
El Cerrito 25,508 City in Contra Costa County, California, United States
Orinda 19,926 City in California, USA
Pinole 19,250 City in California

Distance to Other Cities

Antioch, CA distances to biggest California cities

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