Antioch, California

Antioch, California
City
View of Antioch
Flag
Seal
Motto: 
Opportunity Lives Here[1][2]
Location of Antioch in Contra Costa County, California
Antioch
Location in California
Antioch
Antioch (the United States)
Coordinates: 38°00′18″N 121°48′21″W / 38.00500°N 121.80583°W / 38.00500; -121.80583
Country United States
State California
CountyContra Costa
IncorporatedFebruary 6, 1872[3]
Government
 • State senatorTim Grayson (D)[4]
 • Assembly memberAnamarie Avila Farias (D)[5]
 • United States representativesJohn Garamendi (D) and Mark DeSaulnier (D)[6][7]
Area
[8]
 • City29.94 sq mi (77.55 km2)
 • Land29.17 sq mi (75.55 km2)
 • Water0.77 sq mi (2.00 km2)  2.52%
Elevation
[10]
43 ft (13 m)
Population
 (2020)[11]
 • City115,291
 • Rank3rd in Contra Costa County
55th in California
 • Density3,952/sq mi (1,526/km2)
 • Urban
326,205 (US: 124th)[9]
 • Urban density4,447/sq mi (1,717/km2)
Time zoneUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
ZIP codes[12]
94509, 94531
Area code925
FIPS code06-02252
GNIS feature IDs1657936, 2409715
Websitewww.antiochca.gov

Antioch is a city in the U.S. State of California. It is a suburb of San Francisco. At the 2020 census, 115,291 people lived there.[11]

References

  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. ↑ "Senators". State of California. Retrieved May 13, 2025.
  5. ↑ "Members Assembly". State of California. Retrieved April 24, 2023.
  6. ↑ "California's 8th Congressional District - Representatives & District Map". Civic Impulse, LLC.
  7. ↑ "California's 10th Congressional District - Representatives & District Map". Civic Impulse, LLC.
  8. ↑ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
  9. ↑ United States Census Bureau (December 29, 2022). "2020 Census Qualifying Urban Areas and Final Criteria Clarifications". Federal Register.
  10. ↑ "Antioch". Geographic Names Information System. United States Geological Survey. Retrieved October 18, 2014.
  11. ↑ 11.0 11.1 "Antioch (city) QuickFacts". United States Census Bureau. Retrieved April 10, 2021.
  12. ↑ "ZIP Code(tm) Lookup". United States Postal Service. Retrieved November 11, 2014.
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