Zip Code 92020 — El Cajon, CA

ZIP Code 92020 is associated with El Cajon, CA, in San Diego County. The listed population estimate is 57,842; estimated density is 2,009.1 people per square mile. Among records with population estimates, it ranks #13 of 112 in San Diego County and #140 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (32.795570, -116.969700)

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

How 92020 Compares

MetricZIP 92020San Diego County recordsCA records
Population estimate57,8423,322,512 (sum)39,286,245 (sum)
Population Density2,009.1 /sq mi----
County population rank#13 of 112----
State population rank#140 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 91941La Mesa2.8 mi33,218
ZIP 91942La Mesa3.3 mi41,424
ZIP 92119San Diego3.8 mi24,456
ZIP 92071Santee4.1 mi59,590
ZIP 91977Spring Valley5.2 mi61,064

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 →