ZIP codes with the highest home values in Napa County, CA
These are the 7 ZIP codes in Napa County with the highest median home value, out of 7 with at least 1,000 residents. 94574 (Saint Helena, $1,637,800), 94559 (Napa, $898,600) and 94558 (Napa, $890,500) lead the list. There is no single "best" ZIP code in Napa County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
ZIP codes with the highest home values in Napa County
| Rank | ZIP | Mailing city | Median home value | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 94574 | Saint Helena | $1,637,800 ±$321,730 | 7,457 | 3,220 | 4,053 |
| 2 | 94559 | Napa | $898,600 ±$28,315 | 27,714 | 10,651 | 11,753 |
| 3 | 94558 | Napa | $890,500 ±$15,003 | 63,657 | 24,521 | 26,606 |
| 4 | 94515 | Calistoga | $824,900 ±$133,479 | 6,946 | 2,615 | 3,122 |
| 5 | 94599 | Yountville | $808,900 ±$124,676 | 3,348 | 1,491 | 1,153 |
| 6 | 94508 | Angwin | $775,600 ±$130,189 | 3,495 | 1,034 | 1,031 |
| 7 | 94503 | American Canyon | $697,400 ±$32,500 | 21,841 | 6,063 | 7,078 |
How we ranked them
Ranked by median value of owner-occupied homes as reported by owners (ACS 5-year estimates, 2020–2024). Published medians are capped at $2,000,000. ZIP codes need at least 1,000 residents to be ranked; 7 of 11 qualify.
Which of these to mail, and why
Home value tracks what owners spend on the house itself: renovations, landscaping, pest control, security, interior design. Pair it with the homeowner share so the mailer reaches owners, not tenants.
The top five ZIP codes on this list hold 42,498 households, on 84 carrier routes with 46,687 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 94574 on the EDDM route map
More rankings
- Richest ZIP codes in Napa County
- ZIP codes with the highest homeownership in Napa County
- ZIP codes with the most families with kids in Napa County
- ZIP codes with the most new movers in Napa County
- Youngest ZIP codes in Napa County
- Oldest ZIP codes in Napa County
- Fastest-growing ZIP codes in Napa County
- All Napa County ZIP codes
Businesses that mail these ZIP codes
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EDDM guides
Frequently asked questions
- Which ZIP code in Napa County has the highest median home value?
- 94574 (Saint Helena), at $1,637,800 (±$321,730), among 7 ZIP codes with at least 1,000 residents.
- How is this ranking calculated?
- Ranked by median value of owner-occupied homes as reported by owners (ACS 5-year estimates, 2020–2024). Published medians are capped at $2,000,000.
- Why are some ZIP codes missing?
- ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.