South San Francisco, CA ZIP codes
South San Francisco, California has 2 ZIP codes, including 1 PO Box ZIP. They are in San Mateo County.
- Population in these ZIPs
- 64,761
- Avg. median income
- $136,700population-weighted
- Typical home value
- $1,214,100population-weighted
- Metro area
- San Francisco-Oakland-Fremont, CA
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South San Francisco, CA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 94080 | San Mateo County | 64,761 | $136,733 | $1,214,100 |
| 94083 PO Box | San Mateo County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near South San Francisco
- San Bruno 2 mi
- Brisbane 2 mi
- Millbrae 4 mi
- Daly City 4 mi
- Pacifica 5 mi
- Burlingame 6 mi
- San Francisco 8 mi
- Montara 8 mi
- Moss Beach 9 mi
- San Mateo 9 mi
- El Granada 11 mi
- Alameda 11 mi
Frequently asked questions
What is the ZIP code for South San Francisco, CA?
What county is South San Francisco, California in?
South San Francisco ZIP codes are in San Mateo County.
Which South San Francisco ZIP codes are PO Boxes?
94083 is a PO Box or single-organization ZIP code; it has no residential delivery area.