Zip Code 94580 — San Lorenzo, CA
94580 is a ZIP Code associated with San Lorenzo, CA, located within Alameda. 94580 ranks #28 out of 49 ZIP codes in Alameda County by population (and #618 out of 1,802 in CA). The area supports an estimated population of 29,420 residents across Data Pending housing units, with a population density of 3,419.0 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (37.678030, -122.133340)
| Data Metric | Local Statistic |
| Postal / Zip Code | 94580 |
| Primary City | San Lorenzo |
| State / Province | CA |
| County | Alameda |
| Total Population | 29,420 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 3,419.0 people/sq mi |
| Timezone | America/Los_Angeles |
How 94580 Compares
| Metric | ZIP 94580 | Alameda County | CA State Average |
| Population | 29,420 | 1,668,635 (Total) | 39,286,245 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 3,419.0 /sq mi | -- | -- |
| County Pop Rank | #28 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 →