Port Costa, CA ZIP code
The ZIP code for Port Costa (also written Pt. Costa), California is 94569. It is in Contra Costa County.
- Population in these ZIPs
- 296
- Avg. median income
- $38,900population-weighted
- Typical home value
- $656,500population-weighted
- Metro area
- San Francisco-Oakland-Fremont, CA
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Port Costa, CA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 94569 | 296 | $38,929 | $656,500 |
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 Port Costa
- Crockett 2 mi
- Rodeo 3 mi
- Hercules 4 mi
- Martinez 5 mi
- Vallejo 6 mi
- Pinole 6 mi
- Benicia 6 mi
- El Sobrante 7 mi
- Pleasant Hill 9 mi
- San Pablo 9 mi
- American Canyon 10 mi
- El Cerrito 10 mi
Frequently asked questions
What is the ZIP code for Port Costa, CA?
The ZIP code for Port Costa, CA is 94569.
What county is Port Costa, California in?
Port Costa ZIP codes are in Contra Costa County.