Zip Code 94566 — Pleasanton, CA

94566 is a ZIP Code associated with Pleasanton, CA, located within Alameda. The postal region supports an estimated population of 44,222 residents across Data Pending housing units, with a population density of 840.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.650320, -121.858810)

Data MetricLocal Statistic
Postal / Zip Code94566
Primary CityPleasanton
State / ProvinceCA
CountyAlameda
Total Population44,222
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density840.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 94566 Compares

MetricZIP 94566Alameda CountyCA State Average
Population44,2221,668,63539,286,245
Median IncomeData PendingN/AN/A
Population Density840.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94568Dublin5.1 mi70,803N/A
Zip 94586Sunol5.3 mi971N/A
Zip 94588Pleasanton6.2 mi34,328N/A
Zip 94582San Ramon8.4 mi47,424N/A
Zip 94536Fremont8.9 mi70,619N/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 →