ZIP Code 92021

ZIP code 92021 is classified by USPS as a standard delivery area and covers roughly 77.0 square miles in El Cajon, San Diego County, California. The area is home to 65,068 residents, producing a population density of 845 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 92021 against California and the nation.

On the economic side, the median household income for ZIP 92021 sits at $74,013 (27% below the California average), while per-capita income is $35,192. The poverty rate stands at 18.5% and the unemployment rate at 8.0%. On housing, the median home value is $611,900 (21% below the state average) with median rent at $1,893 per month, and 53.8% of occupied units are owner-occupied, a direct signal of whether 92021 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 22.4% of adults hold a bachelor's degree or higher, the median age is 36.3, and the average commute is 26 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing San Diego County, so you can benchmark 92021 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →