St. Helena is a city located in Napa County, California. St. Helena has a 2026 population of 5,174. St. Helena is currently declining at a rate of -0.79% annually and its population has decreased by -4.59% since the most recent census, which recorded a population of 5,423 in 2020.
The median household income in St. Helena is $148,750 with a poverty rate of 5.08%. The median age in St. Helena is 48.9 years: 47 years for males, and 51.3 years for females. For every 100 females there are 95.5 males.
Data after 2023 is projected based on recent change
Overall: 48.9 years
Female: 51.3 years
Male: 47 years
There are 4,267 adults, (1,739 of whom are seniors) in St. Helena.
Female: 2,720 (51.1%)
Male: 2,598 (48.9%)
The racial composition of St. Helena includes 67.26% White, 18.63% other race, and smaller percentages for Asian, Native American, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,577 | 67.26% |
| Other race | 991 | 18.63% |
| Two or more races | 596 | 11.21% |
| Asian | 93 | 1.75% |
| Native American | 38 | 0.71% |
| Black or African American | 23 | 0.43% |
St. Helena 's average per capita income is $100,610. Household income levels show a median of $148,750. The poverty rate stands at 5.08%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $250,001 | - |
| Families | $195,132 | $328,744 |
| Households | $148,750 | $267,881 |
| Non Families | $84,125 | $124,004 |
Average Income
Median Household Income
Poverty Rate