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ZIP code 91978

Spring Valley, CA · San Diego County

About ZIP code 91978

  • ZIP code 91978 is in Spring Valley, San Diego County, California.
  • About 10,014 people live in it, which is 323.8 people per square mile.
  • Time zone: Pacific Standard Time.
  • The middle of the ZIP code is at 32.712, -116.941.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Spring Valley CDP (San Diego County), CA

The closest town we cover is Spring Valley CDP (San Diego County), CA, about 2 miles from the middle of this ZIP code. 31,969 people live in Spring Valley CDP (San Diego County). Typical household income is $109,110. A typical home costs $714,700.

  • Stronger than most towns on: Pleasant weather for being outdoors, Diversity & community and Airport access.
  • Weaker than most towns on: Clean air and low disaster risk, Cost of living and Housing affordability.

See all figures for Spring Valley CDP (San Diego County)

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.