94528 Frequently Asked Questions

A: ZIP Code 94528 is Located in Diablo California. Portions of 94528 are also in Alamo.

A: ZIP Code 94528 is Located Entirely in Contra Costa County California.

A: The Current Sales Tax in ZIP Code 94528 is 8.8%

A: The Area Code for 94528 is 925.

A: ZIP Code 94528 is in the California 10th Congressional District.

A: ZIP Code 94528 is in California State Assembly District 16.

A: ZIP Code 94528 is in California State Senate District 7.

A: The 2022 population of ZIP Code 94528 is 726. The population growth rate in 94528 is 0.00%. The population density of 94528 is 884.

A: The majority race/ethnicity of people residing in 94528 is White (96.35%).