Antioch, California
City in California, United States / From Wikipedia, the free encyclopedia
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Antioch is the third-largest 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.[11] The city has grown substantially more diverse since the 1970s.[14]
Quick Facts Country, State ...
Antioch, California | |
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Motto: | |
Coordinates: 38°00′18″N 121°48′21″W | |
Country | United States |
State | California |
County | Contra Costa |
Incorporated | February 6, 1872[3] |
Government | |
• Mayor | Lamar Thorpe[4] |
• State senator | Steve Glazer (D)[5] |
• Assembly member | Tim Grayson (D)[6] |
• United States representatives | John Garamendi (D) and Mark DeSaulnier (D)[7][8] |
Area | |
• City | 29.94 sq mi (77.55 km2) |
• Land | 29.17 sq mi (75.55 km2) |
• Water | 0.77 sq mi (2.00 km2) 2.52% |
Elevation | 43 ft (13 m) |
Population | |
• City | 115,291 |
• Rank | 3rd in Contra Costa County 55th in California |
• Density | 3,952.25/sq mi (1,525.96/km2) |
• Urban | 326,205 (US: 124th)[12] |
• Urban density | 4,447.4/sq mi (1,717.2/km2) |
• Metro | 7,468,390 |
Time zone | UTC−8 (Pacific) |
• Summer (DST) | UTC−7 (PDT) |
ZIP codes[13] | 94509, 94531 |
Area code | 925 |
FIPS code | 06-02252 |
GNIS feature IDs | 1657936, 2409715 |
Website | www |
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