Home > CA > Alameda County > Pleasanton > Zip 94588

Zip Code 94588 — Pleasanton, CA

ZIP Code 94588 is associated with Pleasanton, CA, in Alameda County. The listed population estimate is 34,328; estimated density is 404.8 people per square mile. Among records with population estimates, it ranks #23 of 49 in Alameda County and #504 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.738010, -121.881780)

Data MetricLocal Statistic
Postal / Zip Code94588
Primary CityPleasanton
State / ProvinceCA
CountyAlameda
Total Population34,328
Population Density404.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 94588 Compares

MetricZIP 94588Alameda County recordsCA records
Population estimate34,3281,668,635 (sum)39,286,245 (sum)
Population Density404.8 /sq mi----
County population rank#23 of 49----
State population rank#504 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 94568Dublin1.9 mi70,803
ZIP 94582San Ramon2.5 mi47,424
ZIP 94506Danville5.0 mi27,055
ZIP 94566Pleasanton6.2 mi44,222
ZIP 94583San Ramon6.5 mi39,583

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 →