Home > CA > Alameda County > San Leandro > Zip 94577

Zip Code 94577 — San Leandro, CA

ZIP Code 94577 is associated with San Leandro, CA, in Alameda County. The listed population estimate is 46,317; estimated density is 2,203.8 people per square mile. Among records with population estimates, it ranks #12 of 49 in Alameda County and #280 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.715950, -122.166150)

Data MetricLocal Statistic
Postal / Zip Code94577
Primary CitySan Leandro
State / ProvinceCA
CountyAlameda
Total Population46,317
Population Density2,203.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 94577 Compares

MetricZIP 94577Alameda County recordsCA records
Population estimate46,3171,668,635 (sum)39,286,245 (sum)
Population Density2,203.8 /sq mi----
County population rank#12 of 49----
State population rank#280 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 94603Oakland1.7 mi35,742
ZIP 94579San Leandro2.1 mi20,017
ZIP 94578San Leandro2.3 mi41,769
ZIP 94621Oakland2.7 mi33,840
ZIP 94580San Lorenzo3.2 mi29,420

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 →