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Zip Code 95403 — Santa Rosa, CA

95403 is a ZIP Code associated with Santa Rosa, CA, located within Sonoma. The postal region supports an estimated population of 45,806 residents across Data Pending housing units, with a population density of 821.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.503260, -122.753580)

Data MetricLocal Statistic
Postal / Zip Code95403
Primary CitySanta Rosa
State / ProvinceCA
CountySonoma
Total Population45,806
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density821.1 people/sq mi
TimezoneAmerica/Los_Angeles

How 95403 Compares

MetricZIP 95403Sonoma CountyCA State Average
Population45,806458,79339,286,245
Median IncomeData PendingN/AN/A
Population Density821.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 95439Fulton1.5 mi486N/A
Zip 95492Windsor3.7 mi27,429N/A
Zip 95401Santa Rosa4.3 mi36,861N/A
Zip 95404Santa Rosa5.9 mi37,011N/A
Zip 95405Santa Rosa6.4 mi22,744N/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 →