St. Helena, CA ZIP Codes
One ZIP code serves St. Helena, California: 94574. Together they are home to 7,457 residents in 3,220 households. That is more than the 5,318 people counted inside St. Helena city limits, because these ZIP codes reach past its boundary.
St. Helena city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 5,318 |
| Households | 2,341 |
| Median household income | $148,750 |
| Median home value | $1,647,700 |
| Median age | 48.9 |
| Median rent | $2,535 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,457 |
| Households (sum of ZIP codes) | 3,220 |
| Median household income, range across ZIP codes | $139,474 (94574) to $139,474 (94574) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $139,474 |
| Homeowners | 66.0% |
| Households with kids under 18 | 30.5% |
| Moved in the past year | 9.7% |
| Carrier routes in EDDM2GO's route library | 8 routes, 4,053 homes (1 of 1 ZIP codes) |
Every ZIP code in St. Helena
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 94574 | Saint Helena | 7,457 | 3,220 | $139,474 | $1,637,800 | 66.0% | 30.5% | 9.7% | 8 | 4,632 | 4% of its land |
A ZIP code is listed for St. Helena when at least 10% of its land lies inside St. Helena city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is St. Helena. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside St. Helena.
Counties
- Napa County — 11 ZIP codes
Price a mailing to St. Helena ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in St. Helena, CA?
- 94574. A ZIP code is listed for St.
- What is the population of St. Helena, CA?
- The Census Bureau counts 5,318 residents inside St. Helena city limits (ACS 2020–2024). The 1 ZIP code that serve St. Helena hold 7,457 residents in all.
- What is the median household income in St. Helena, CA?
- $148,750 inside St. Helena city limits, per the Census Bureau. Across its ZIP codes the medians run from $139,474 to $139,474.
- How many carrier routes and mailboxes are in St. Helena, CA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 8 carrier routes reaching 4,053 residential and 549 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.