Home > CA > San Diego County > Lakeside > Zip 92040

Zip Code 92040 — Lakeside, CA

92040 is a ZIP Code associated with Lakeside, CA, located within San Diego. The postal region supports an estimated population of 46,216 residents across Data Pending housing units, with a population density of 265.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (32.906650, -116.888750)

Data MetricLocal Statistic
Postal / Zip Code92040
Primary CityLakeside
State / ProvinceCA
CountySan Diego
Total Population46,216
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density265.6 people/sq mi
TimezoneAmerica/Los_Angeles

How 92040 Compares

MetricZIP 92040San Diego CountyCA State Average
Population46,2163,322,51239,286,245
Median IncomeData PendingN/AN/A
Population Density265.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 92021El Cajon5.0 mi70,501N/A
Zip 92071Santee7.3 mi59,590N/A
Zip 92019El Cajon8.9 mi45,351N/A
Zip 92020El Cajon9.0 mi57,842N/A
Zip 92064Poway9.0 mi48,683N/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 →