ZIP code · El Cajon · California · United States
ZIP code 92020 — El Cajon
ZIP code 92020 serves El Cajon, California.
- Postal code
- 92020Single source Value from one source, not cross-checked.
- City
- El Cajon
- County
- San Diego
- State
- California
- Country
- United States
- Coordinates
- 32.7928, -116.9665 — precision precise (locality)
View on OpenStreetMap - Population
- 58,490 (ZCTA, ACS 5-year)
- Median household income
- $72,822
- Median age
- 36.3
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page