American Canyon, CA ZIP code
The ZIP code for American Canyon, California is 94503. It is in Napa County.
- Population in these ZIPs
- 21,841
- Avg. median income
- $121,100population-weighted
- Typical home value
- $727,900population-weighted
- Metro area
- Napa, CA
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American Canyon, CA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 94503 | 21,841 | $121,088 | $727,900 |
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 American Canyon
Frequently asked questions
What is the ZIP code for American Canyon, CA?
The ZIP code for American Canyon, CA is 94503.
What county is American Canyon, California in?
American Canyon ZIP codes are in Napa County.