94509 Frequently Asked Questions

A: ZIP Code 94509 is Located in Antioch California. Portions of 94509 are also in Pittsburg, Oakley.

A: ZIP Code 94509 is Located Entirely in Contra Costa County California.

A: The Current Sales Tax in ZIP Code 94509 is 9.8%

A: The Area Code for 94509 is 925.

A: 94509 is within by the California 8th Congressional District and the California 10th Congressional District.

A: ZIP Code 94509 is in California State Assembly District 11.

A: ZIP Code 94509 is in California State Senate District 7.

A: The 2022 population of ZIP Code 94509 is 70889. The population growth rate in 94509 is 0.00%. The population density of 94509 is 3,513.

A: The majority race/ethnicity of people residing in 94509 is Hispanic (37.47%). The majority race/ethnicity of students attending public schools in 94509 is Hispanic(52.58%).

A: The median household income in 94509 is $71,905 (2021) and the average adjusted income is $345,680 (2021).