Antioch, California

Antioch, California
City
View of Antioch
View of Antioch
Flag of Antioch, California
Flag
Official seal of Antioch, California
Seal
Official logo of Antioch, California
Logo
Motto: 
Opportunity Lives Here[1][2]
Location of Antioch in Contra Costa County, California
Location of Antioch in Contra Costa County, California
Antioch is located in California
Antioch
Antioch
Location in California
Antioch is located in the United States
Antioch
Antioch
Antioch (the United States)
Coordinates: 38°00′18″N 121°48′21″W / 38.00500°N 121.80583°W / 38.00500; -121.80583
CountryUnited States
StateCalifornia
CountyContra Costa
IncorporatedFebruary 6, 1872[3]
Government
 • MayorLamar Thorpe[4]
 • State senatorSteve Glazer (D)[5]
 • Assembly memberTim Grayson (D)[6]
 • United States representativesJohn Garamendi (D) and Mark DeSaulnier (D)[7][8]
Area
[9]
 • City29.94 sq mi (77.55 km2)
 • Land29.17 sq mi (75.55 km2)
 • Water0.77 sq mi (2.00 km2)  2.52%
Elevation
[11]
43 ft (13 m)
Population
 (2020)[12]
 • City115,291
 • Rank3rd in Contra Costa County
55th in California
 • Density3,952.25/sq mi (1,525.96/km2)
 • Urban
326,205 (US: 124th)[10]
 • Urban density4,447.4/sq mi (1,717.2/km2)
 • Metro
7,468,390
Time zoneUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
ZIP codes[13]
94509, 94531
Area code925
FIPS code06-02252
GNIS feature IDs1657936, 2409715
Websitewww.ci.antioch.ca.us

Antioch is the third-most populous city in Contra Costa County, California, United States. The city is located in the East Bay region of the San Francisco Bay Area along the Sacramento–San Joaquin River Delta. The city's population was 115,291 at the 2020 census.[12] The city has grown substantially more diverse since the 1970s.[14]

  1. ^ Jackson, Candace (February 25, 2020). "Antioch, Calif.: 'Last Bastion of the Good Commute' in the Bay Area". The New York Times. Retrieved December 9, 2020.
  2. ^ "Antioch launches marketing campaign to attract business, improve image". East Bay Times. April 4, 2019. Retrieved December 9, 2020.
  3. ^ "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Archived from the original (Word) on November 3, 2014. Retrieved March 27, 2013.
  4. ^ "City Council". City of Antioch. Retrieved March 21, 2013.
  5. ^ "Senators". State of California. Retrieved March 21, 2013.
  6. ^ "Members Assembly". State of California. Retrieved April 24, 2023.
  7. ^ "California's 8th Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved April 24, 2023.
  8. ^ "California's 10th Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved April 24, 2023.
  9. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
  10. ^ United States Census Bureau (December 29, 2022). "2020 Census Qualifying Urban Areas and Final Criteria Clarifications". Federal Register.
  11. ^ "Antioch". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved October 18, 2014.
  12. ^ a b "Antioch (city) QuickFacts". United States Census Bureau. Retrieved April 10, 2021.
  13. ^ "ZIP Code(tm) Lookup". United States Postal Service. Retrieved November 11, 2014.
  14. ^ "U.S. Census Bureau QuickFacts: Antioch city, California". U.S. Census Bureau. Retrieved April 20, 2021.