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Zip Code 92831 — Fullerton, CA

92831 is a ZIP Code associated with Fullerton, CA, located within Orange. The postal region supports an estimated population of 35,618 residents across Data Pending housing units, with a population density of 2,311.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.879500, -117.896070)

Data MetricLocal Statistic
Postal / Zip Code92831
Primary CityFullerton
State / ProvinceCA
CountyOrange
Total Population35,618
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,311.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 92831 Compares

MetricZIP 92831Orange CountyCA State Average
Population35,6183,138,33139,286,245
Median IncomeData PendingN/AN/A
Population Density2,311.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 92835Fullerton1.9 mi26,005N/A
Zip 92832Fullerton2.0 mi27,298N/A
Zip 92870Placentia2.3 mi52,826N/A
Zip 92806Anaheim3.2 mi41,003N/A
Zip 92805Anaheim3.5 mi74,661N/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 →