St. Helena Flag

St. Helena

County:
Napa County
County Seat:
No
Area (mi²):
4.956
State:
California

St. Helena is a city located in Napa County, California. St. Helena has a 2026 population of 5,257. St. Helena is currently declining at a rate of -0.36% annually and its population has decreased by -3.06% since the most recent census, which recorded a population of 5,423 in 2020.

5.3K
Total Population
1,061
Density (mi²)
-19 -0.36%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)