Zip Code 94582 — San Ramon, CA

ZIP Code 94582 is associated with San Ramon, CA, in Contra Costa County. The listed population estimate is 47,424; estimated density is 1,365.3 people per square mile. Among records with population estimates, it ranks #6 of 43 in Contra Costa County and #255 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.763570, -121.914690)

Data MetricLocal Statistic
Postal / Zip Code94582
Primary CitySan Ramon
State / ProvinceCA
CountyContra Costa
Total Population47,424
Population Density1,365.3 people/sq mi
TimezoneAmerica/Los_Angeles

How 94582 Compares

MetricZIP 94582Contra Costa County recordsCA records
Population estimate47,4241,171,369 (sum)39,286,245 (sum)
Population Density1,365.3 /sq mi----
County population rank#6 of 43----
State population rank#255 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 94588Pleasanton2.5 mi34,328
ZIP 94506Danville3.2 mi27,055
ZIP 94568Dublin3.4 mi70,803
ZIP 94583San Ramon4.2 mi39,583
ZIP 94526Danville5.2 mi32,584

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 →