Antioch is a city in Contra Costa County, California. It has an approximate population of 302,420 inhabitants. The population density is 1,400 people per square kilometer.


The postal code of Antioch is 94509, with area code: 925.
Antioch’s time zone is Pacific Daylight Time (PDT). It is now 01:01 hours there.
The over all area of Antioch is 75.32 square kilometers of which 73.42 square kilometers is land and 2.52 square km is water. The height in meters of Antioch is 13.00 meters.
Is Antioch CA a good place to live?
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Is Antioch a part of San Francisco?