Zip Code 94603 — Oakland, CA
94603 is a ZIP Code associated with Oakland, CA, located within Alameda. 94603 ranks #21 out of 49 ZIP codes in Alameda County by population (and #471 out of 1,802 in CA). The area supports an estimated population of 35,742 residents across Data Pending housing units, with a population density of 5,114.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (37.739230, -122.175540)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 94603 |
| Primary City | Oakland |
| State / Province | CA |
| County | Alameda |
| Total Population | 35,742 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 5,114.7 people/sq mi |
| Timezone | America/Los_Angeles |
How 94603 Compares
| Metric | ZIP 94603 | Alameda County | CA State Average |
|---|
| Population | 35,742 | 1,668,635 (Total) | 39,286,245 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 5,114.7 /sq mi | -- | -- |
| County Pop Rank | #21 of 49 | -- | -- |
Nearby ZIP Codes
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 →