Home > CA > Alameda County > Pleasanton > Zip 94566

Zip Code 94566 — Pleasanton, CA

ZIP Code 94566 is associated with Pleasanton, CA, in Alameda County. The listed population estimate is 44,222; estimated density is 840.2 people per square mile. Among records with population estimates, it ranks #14 of 49 in Alameda County and #315 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.650320, -121.858810)

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

How 94566 Compares

MetricZIP 94566Alameda County recordsCA records
Population estimate44,2221,668,635 (sum)39,286,245 (sum)
Population Density840.2 /sq mi----
County population rank#14 of 49----
State population rank#315 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 94568Dublin5.1 mi70,803
ZIP 94586Sunol5.3 mi971
ZIP 94588Pleasanton6.2 mi34,328
ZIP 94582San Ramon8.4 mi47,424
ZIP 94536Fremont8.9 mi70,619

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 →