🇺🇸 94531 ZIP Code Details

Find detailed information for ZIP Code 94531 in Antioch, California, including county, population, area codes, maps, and official USPS mailing information.

Home › United States › California › 94531
🇺🇸
94531
Antioch, California
Contra Costa · 🇺🇸 United States
ZIP Code
Population
46,387
Density/mi²
1,276
Complete ZIP Code Details
ZIP Code94531
CityAntioch
StateCalifornia (CA)
CountyContra Costa
TimezoneAmerica/Los_Angeles
Coordinates37.9566500, -121.7777700
Population46,387
ZIP TypeSTANDARD
CountryUnited States

About 94531 - Antioch, California

The ZIP code 94531 of Antioch falls within California, the United States - a densely populated area by population. It sits within Contra Costa County.

Census data puts the population of this ZIP code at 46,387 residents. That's noticeably above the average for a California ZIP code, which sits near 22,296 people.

Population density runs around 1,276 people per sq. mile, making it a suburban area.

Nearby communities in California include Fontana, Pittsburg, Los Angeles.

94531 vs. California Average
Population Share vs. Nearby ZIP Codes
Frequently Asked Questions
What is the ZIP code for Antioch?

The ZIP code for Antioch, California is 94531.

What county is 94531 located in?

94531 is located in Contra Costa County, California.

What is the population of 94531?

The population of 94531 (Antioch) is approximately 46,387 people.

Is 94531 bigger or smaller than a typical California ZIP code?

94531 is more populated than the typical California ZIP code, which averages around 22,296 people.

What are the ZIP code codes near 94531?

ZIP code codes near 94531 include 92336, 94565, 90011.