Napa County, California Cities (2025)

12 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Napa176,26479,334-0.8%4,22618 City
American Canyon221,04521,799-0.71%3,4646 City
St. Helena35,1745,419-0.94%1,0445 City
Calistoga44,9485,222-1.1%1,9193 City
Fetters Hot Springs-Agua Caliente54,2443,5540.17%2,9051 CDP
Yountville63,3083,428-0.72%2,2201 City
Angwin72,6513,415-1.01%5495 CDP
Temelec81,7561,9151.21%1,1062 CDP
Silverado Resort99911,171-0.7%5242 CDP
Deer Park10727772-4.72%1296 CDP
Moskowite Corner1113069-3.7%463 CDP
Rutherford12103100-3.74%612 CDP

Napa County Cities Summary

Largest City

Napa is the largest city in Napa County, with a population of 76,264.

Smallest City

Rutherford is the smallest city in Napa County, with a population of 103.

10 Largest Cities

There are 12 cities in Napa County, California.

Location of Napa County