San Carlos, CA ZIP code
The ZIP code for San Carlos, California is 94070. It is in San Mateo County.
- Population in these ZIPs
- 30,447
- Avg. median income
- $240,100population-weighted
- Typical home value
- $2,445,000population-weighted
- Metro area
- San Francisco-Oakland-Fremont, CA
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San Carlos, CA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 94070 | 30,447 | $240,074 | $2,445,000 |
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 San Carlos
- Belmont 2 mi
- Redwood City 3 mi
- San Mateo 4 mi
- Atherton 5 mi
- Menlo Park 6 mi
- Stanford 8 mi
- Burlingame 8 mi
- Half Moon Bay 8 mi
- Palo Alto 8 mi
- Portola Valley 9 mi
- Millbrae 10 mi
- El Granada 11 mi
Frequently asked questions
What is the ZIP code for San Carlos, CA?
The ZIP code for San Carlos, CA is 94070.
What county is San Carlos, California in?
San Carlos ZIP codes are in San Mateo County.