91978 Frequently Asked Questions

A: ZIP Code 91978 is Located in Spring Valley California. Portions of 91978 are also in Spring Valley (San Diego County), Jamul, Chula Vista.

A: ZIP Code 91978 is Located Entirely in San Diego County California.

A: The Current Sales Tax in ZIP Code 91978 is 7.8%

A: The Area Codes for 91978 are 619 and 858

A: 91978 is within by the California 51st Congressional District, the California 48th Congressional District and the California 52nd Congressional District.

A: 91978 is within California State Assembly District 71 and California State Assembly District 79.

A: 91978 is within California State Senate District 38 and California State Senate District 40.

A: The 2022 population of ZIP Code 91978 is 11006. The population growth rate in 91978 is 0.00%. The population density of 91978 is 948.

A: The majority race/ethnicity of people residing in 91978 is White (51.27%). The majority race/ethnicity of students attending public schools in 91978 is Hispanic(50.87%).

A: The median household income in 91978 is $82,885 (2021) and the average adjusted income is $332,530 (2021).