What to know before you move: cost, market timing, who it fits.
If you're considering a move to St. Helena, CA, the most important variables are the local housing market, the cost structure (taxes, insurance, utilities), and how well the city fits your day-to-day life. This page summarizes the housing market read; pair it with the cost of living page for the full picture.
St. Helena is a city in Napa County, California, with an estimated population of 5,257. It anchors the Napa metro area. The population has contracted 0.8% per year on average since 2020. The median home value in St. Helena is $1,681,298 as of 2026-04, down 2.8% over the last 12 months. Over the last five years, home values have averaged -1.2% annual growth, and the market currently sits about 18% below its 5-year peak. The composite momentum score is 32 of 100 (Declining). The market is well off recent highs — patient long-term buyers may find opportunities, but resale liquidity is reduced.
Prices well off recent highs (-18.5% from peak, -2.8% YoY). Patient long-term buyers may find opportunities, but resale liquidity is reduced.
Reasons people move here
- The data is the data: St. Helena has at least 5 years of Zillow tracking, full Census identification, and is included in the 1-criteria momentum score on this page.
- Data is sourced from public datasets (Zillow, US Census) with full citations on the methodology page.
Things to know first
- Expensive AND not growing: median home $1,681,298 with only -2.8% YoY. You're paying premium pricing for a flat trend.
- Cooling: -2.8% over the trailing year — momentum has stalled.
- 18% off recent peak — buyers are getting through-the-cycle pricing, not the peak.
- Flat or shrinking population: -0.8% per year. Housing demand has to come from somewhere — verify the source.
More about St. Helena
Sources: Zillow ZHVI (home values), Zillow ZORI (rents), US Census ACS + place population. Updated when source agencies publish revisions.