Home > CA > Placer County > Auburn > Zip 95603

Zip Code 95603 — Auburn, CA

95603 is a ZIP Code associated with Auburn, CA, located within Placer. The postal region supports an estimated population of 28,432 residents across Data Pending housing units, with a population density of 307.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.911670, -121.085590)

Data MetricLocal Statistic
Postal / Zip Code95603
Primary CityAuburn
State / ProvinceCA
CountyPlacer
Total Population28,432
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density307.0 people/sq mi
TimezoneAmerica/Los_Angeles

How 95603 Compares

MetricZIP 95603Placer CountyCA State Average
Population28,432422,74939,286,245
Median IncomeData PendingN/AN/A
Population Density307.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 95604Auburn0.7 mi27N/A
Zip 95658Newcastle4.2 mi5,894N/A
Zip 95614Cool5.5 mi3,954N/A
Zip 95602Auburn5.6 mi19,701N/A
Zip 95663Penryn6.4 mi3,090N/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 →