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Zip Code 92603 — Irvine, CA

92603 is a ZIP Code associated with Irvine, CA, located within Orange. The postal region supports an estimated population of 18,387 residents across Data Pending housing units, with a population density of 710.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.629270, -117.794080)

Data MetricLocal Statistic
Postal / Zip Code92603
Primary CityIrvine
State / ProvinceCA
CountyOrange
Total Population18,387
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density710.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 92603 Compares

MetricZIP 92603Orange CountyCA State Average
Population18,3873,138,33139,286,245
Median IncomeData PendingN/AN/A
Population Density710.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 92612Irvine2.7 mi33,714N/A
Zip 92617Irvine2.8 mi24,017N/A
Zip 92657Newport Coast3.1 mi9,920N/A
Zip 92697Irvine3.6 miN/AN/A
Zip 92604Irvine4.1 mi26,491N/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 →