Napa County Flag

Napa County

State:
California
County Seat:
Napa

Napa County's estimated 2025 population is 132,010 with a growth rate of -0.54% in the past year according to the most recent United States census data. Napa County is the 34th largest county in California. The 2010 population was 136,752 and has seen a growth of -3.47% since that time.

132,010
Total Population
176
Population Density (mi²)
34
Population Rank (State)
-717 -0.54%
Annual Population Growth

Napa County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)