St. Helena city, California
Official LSAD Designation: St. Helena city • Census GEOID: 0664140
• Napa County
St. Helena city is an incorporated city in Napa County, California. According to official records from the Census (2025), St. Helena city had an estimated population of 5,194 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Helena city (GEOID 0664140).
Local Government Administration U.S. Census Bureau GMAF
City Of St Helena
Municipal
Official Title:
Mayor
Address:
1480 MAIN ST, SAINT HELENA CA 94574-1899
County Of Napa
County
Official Title:
Chair
Address:
1195 THIRD ST, STE 310, NAPA CA 94559-3035
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 5,194 | 2025 |
| Median Household Income | $148,750 | 2020-2024 |
| Median Home Value | $1,647,700 | 2020-2024 |
| Land Area | 4.96 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).