Zip Code 92020 — El Cajon, CA

92020 is a ZIP Code associated with El Cajon, CA, located within San Diego. The postal region supports an estimated population of 57,842 residents across Data Pending housing units, with a population density of 2,009.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (32.795570, -116.969700)

Data MetricLocal Statistic
Postal / Zip Code92020
Primary CityEl Cajon
State / ProvinceCA
CountySan Diego
Total Population57,842
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,009.1 people/sq mi
TimezoneAmerica/Los_Angeles

How 92020 Compares

MetricZIP 92020San Diego CountyCA State Average
Population57,8423,322,51239,286,245
Median IncomeData PendingN/AN/A
Population Density2,009.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 91941La Mesa2.8 mi33,218N/A
Zip 91942La Mesa3.3 mi41,424N/A
Zip 92119San Diego3.8 mi24,456N/A
Zip 92071Santee4.1 mi59,590N/A
Zip 91977Spring Valley5.2 mi61,064N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →