Sonoma County Map
The County of Sonoma is located in the State of California. Find directions to Sonoma County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Sonoma County population is estimated at 489,819 people. The Sonoma County time zone is Pacific Daylight Time which is 8 hours behind Coordinated Universal Time (UTC).
Nearby counties include Contra Costa County, Lake County, Marin County, Mendocino County, Napa County, Solano County.
Top cities include Santa Rosa, Petaluma, Rohnert Park, Windsor, Healdsburg