Home > CA > Solano County > Fairfield > Zip 94534

Zip Code 94534 — Fairfield, CA

94534 is a ZIP Code associated with Fairfield, CA, located within Solano. The postal region supports an estimated population of 41,203 residents across Data Pending housing units, with a population density of 205.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.241120, -122.121420)

Data MetricLocal Statistic
Postal / Zip Code94534
Primary CityFairfield
State / ProvinceCA
CountySolano
Total Population41,203
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density205.1 people/sq mi
TimezoneAmerica/Los_Angeles

How 94534 Compares

MetricZIP 94534Solano CountyCA State Average
Population41,203449,66339,286,245
Median IncomeData PendingN/AN/A
Population Density205.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94503American Canyon6.7 mi21,841N/A
Zip 94533Fairfield6.8 mi78,805N/A
Zip 94591Vallejo8.9 mi58,193N/A
Zip 94559Napa9.4 mi27,714N/A
Zip 94589Vallejo9.6 mi29,990N/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 →