Zip Code 94621 — Oakland, CA

ZIP Code 94621 is associated with Oakland, CA, in Alameda County. The listed population estimate is 33,840; estimated density is 1,534.7 people per square mile. Among records with population estimates, it ranks #24 of 49 in Alameda County and #513 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.737900, -122.207940)

Data MetricLocal Statistic
Postal / Zip Code94621
Primary CityOakland
State / ProvinceCA
CountyAlameda
Total Population33,840
Population Density1,534.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 94621 Compares

MetricZIP 94621Alameda County recordsCA records
Population estimate33,8401,668,635 (sum)39,286,245 (sum)
Population Density1,534.7 /sq mi----
County population rank#24 of 49----
State population rank#513 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 94603Oakland1.8 mi35,742
ZIP 94502Alameda1.8 mi13,430
ZIP 94577San Leandro2.7 mi46,317
ZIP 94601Oakland2.7 mi53,259
ZIP 94613Oakland3.3 mi472

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 →