Napa, California

Napa population, 2020 to 2024

Napa lost 2,420 residents from July 2020 to July 2024, a change of -3.1%. In the latest year it moved by -621. Among 429 California places of 5,000 or more, that growth ranks 329th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Napa is 2.1 times that size.

Napa covers 18.05 square miles of land and 0.31 of water, for 4,262 people per square mile of land. The median California place of 5,000+ has 3,725, so Napa is denser than the typical town.

What county Napa is in

All of Napa's residents live in Napa County, which had 132,727 residents in 2024. Napa holds 58.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Napa

2 ZIP Code Tabulation Areas (ZCTAs) overlap Napa by at least 10% of the ZCTA's or the city's land: 94558, 94559. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Napa is

The Census internal point of Napa is at 38.297900, -122.300700. Sacramento, the capital, is 47.7 miles ENE in a straight line. The nearest larger place is Vallejo, CA (123,475 people), 13.4 miles away.

Daylight in Napa

At 38.30° N, Napa gets about 14 h 50 min of daylight around the June solstice and 9 h 30 min around the December solstice, a swing of 5 h 20 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Napa

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Yountville, 7.5 miles away, with 3,280 people.