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2 Zip Codes in Antioch, California

View a list of Zip Codes in Antioch, California
TimezonePacific Time
Area29.08 sq mi
Population106,053 (More Details)
Male Population51,628 (48.7%)
Female Population54,425 (51.3%)
Median Age33.8
Zip Codes94509, 94531
Area Codes408, 510, 925
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2 Zip Codes in Antioch, California
Zip Code▲City↕Population↕Median AgeArea
94509Antioch, California65,49933.917.82 sq mi
94531Antioch, California41,60833.610.94 sq mi
Antioch, California Demographic Information
Population106,053
Population Density3,647 / mi²
Male Population51,628 (48.7%)
Female Population54,425 (51.3%)
Median Age33.8
Male Median Age32.5
Female Median Age35.0
Businesses in Antioch, California14,675
Population (1975)66,612
Population (2000)92,619
Population change from 1975 to 2015+59.2%
Population change from 2000 to 2015+14.5%

Antioch, California

Antioch (formerly, East Antioch, Smith's Landing, and Marshs Landing) is a city in Contra Costa County, California, United States. Located in the East Bay region of the San Francisco Bay Area along the San Joaquin-Sacramento River Delta, it is a subu..

Antioch, California Wikipedia Page
Image of Antioch, California
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