Napa County's 2026 population is estimated at 131,293, reflecting a -0.54% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Napa County is the 34th largest county in California. The 2010 population was 136,752 and has grown -3.99% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.9 years
Female: 44 years
Male: 42.2 years
There are 108,643 adults, (28,455 of whom are seniors) in Napa County.
Female: 67,435 (50%)
Male: 67,434 (50%)
The racial composition of Napa County includes 55.62% White, 16.28% other race, 8.21% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 75,020 | 55.62% |
| Two or more races | 22,093 | 16.38% |
| Other race | 21,959 | 16.28% |
| Asian | 11,077 | 8.21% |
| Black or African American | 2,684 | 1.99% |
| Native American | 1,546 | 1.15% |
| Native Hawaiian or Pacific Islander | 490 | 0.36% |
Napa County 's average per capita income is $62,411. Household income levels show a median of $111,471. The poverty rate stands at 8.46%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $154,516 | $207,392 |
| Families | $137,457 | $184,274 |
| Households | $111,471 | $161,672 |
| Non Families | $66,995 | $108,165 |
Average Income
Median Household Income
Poverty Rate