Zip Code 94538 — Fremont, CA

ZIP Code 94538 is associated with Fremont, CA, in Alameda County. The listed population estimate is 67,781; estimated density is 1,582.5 people per square mile. Among records with population estimates, it ranks #4 of 49 in Alameda County and #71 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.506530, -121.963610)

Data MetricLocal Statistic
Postal / Zip Code94538
Primary CityFremont
State / ProvinceCA
CountyAlameda
Total Population67,781
Population Density1,582.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 94538 Compares

MetricZIP 94538Alameda County recordsCA records
Population estimate67,7811,668,635 (sum)39,286,245 (sum)
Population Density1,582.5 /sq mi----
County population rank#4 of 49----
State population rank#71 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 94539Fremont2.9 mi52,396
ZIP 94560Newark3.4 mi46,903
ZIP 94536Fremont4.6 mi70,619
ZIP 95002Alviso5.0 mi1,542
ZIP 95134San Jose5.4 mi30,471

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 →