Napa County, California ZIP codes
11 ZIP codes are in Napa County, plus 3 that cross in from neighboring counties. It's part of the Napa, CA metro area.
- ZIP codes
- 11
- Population in these ZIPs
- 128,367
- Avg. median income
- $113,600population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Napa County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 94503 | American Canyon | 21,841 | $121,088 | $727,900 |
| 94508 | Angwin | 3,495 | $116,667 | $905,900 |
| 94558 | Napa | 63,657 | $113,269 | $892,000 |
| 94559 | Napa | 27,714 | $105,188 | $784,000 |
| 94562 | Oakville | 0 | — | — |
| 94567 | Pope Valley | 668 | $80,833 | $437,800 |
| 94573 | Rutherford | 84 | $250,001 | — |
| 94574 | Saint Helena | 7,457 | $139,474 | $1,632,500 |
| 94576 | Deer Park | 103 | $170,677 | $986,100 |
| 94581 PO Box | Napa | — | — | — |
| 94599 | Yountville | 3,348 | $80,372 | $1,317,200 |
ZIP codes partly in Napa County
These ZIP codes are mostly in a neighboring county but cover part of Napa County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 94515 | Calistoga | Sonoma County | 6,946 | $94,464 | $1,065,600 |
| 94591 | Vallejo | Solano County | 58,193 | $104,550 | $583,900 |
| 95476 | Sonoma | Sonoma County | 35,196 | $105,374 | $932,000 |
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 and towns in Napa County
Nearby counties
Frequently asked questions
How many ZIP codes are in Napa County, California?
11 ZIP codes are mainly in Napa County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Napa County?
ZIP codes in Napa County use the city names American Canyon, Angwin, Deer Park, Napa, Oakville, Pope Valley, Rutherford, Saint Helena and Yountville.
What metro area is Napa County in?
Napa County is part of the Napa, CA metropolitan statistical area.