Napa County, California Zip Codes

Zip Code	City	Population
94558	Napa	65,084
94559	Napa	28,224
94503	American Canyon	21,791
94574	Saint Helena	7,827
94599	Yountville	3,428
94508	Angwin	3,406
94567	Pope Valley	719
94576	Deer Park	171
94573	Rutherford	107
94562	Oakville	0

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.