Sonoma County, California
Sonoma County is a county in California with an estimated population of 481,812 in 2023. 9 cities, towns and Census places in it are indexed here.
Largest places in Sonoma County
Santa Rosa 175,845Petaluma 58,800Rohnert Park 44,546Windsor 25,828Healdsburg 11,137Sonoma 10,619Cloverdale 8,825Cotati 7,430Sebastopol 7,380
About Sonoma County
Sonoma County is one of the counties of California. County governments in California handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.