Zip Code 92603 — Irvine, CA

ZIP Code 92603 is associated with Irvine, CA, in Orange County. The listed population estimate is 18,387; estimated density is 710.9 people per square mile. Among records with population estimates, it ranks #70 of 87 in Orange County and #848 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (33.629270, -117.794080)

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

How 92603 Compares

MetricZIP 92603Orange County recordsCA records
Population estimate18,3873,138,331 (sum)39,286,245 (sum)
Population Density710.9 /sq mi----
County population rank#70 of 87----
State population rank#848 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 92612Irvine2.7 mi33,714
ZIP 92617Irvine2.8 mi24,017
ZIP 92657Newport Coast3.1 mi9,920
ZIP 92697Irvine3.6 miN/A
ZIP 92604Irvine4.1 mi26,491

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 →