Zip Code 94599 — Yountville, CA
94599 is a ZIP Code associated with Yountville, CA, located within Napa. 94599 ranks #6 out of 10 ZIP codes in Napa County by population (and #1200 out of 1,802 in CA). The area supports an estimated population of 3,348 residents across Data Pending housing units, with a population density of 162.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (38.410120, -122.373650)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 94599 |
| Primary City | Yountville |
| State / Province | CA |
| County | Napa |
| Total Population | 3,348 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 162.7 people/sq mi |
| Timezone | America/Los_Angeles |
How 94599 Compares
| Metric | ZIP 94599 | Napa County | CA State Average |
|---|
| Population | 3,348 | 128,367 (Total) | 39,286,245 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 162.7 /sq mi | -- | -- |
| County Pop Rank | #6 of 10 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →