Sonoma County, California

Sonoma County is a county in the U.S. state of California. It is located north of the San Francisco Bay. It is the northernmost of the nine San Francisco Bay Area counties. Sonoma County is surrounded by 4 counties: Marin County to the south, Mendocino County to the north, Lake County to the northeast, and Napa County to the east. The county seat is in Santa Rosa.

Sonoma County was one of the original counties formed when California became a state in 1850.

The population was 488,863 in 2020.

Cities
Some of the cities in Sonoma County include:
 Jenner
 Petaluma
 Santa Rosa
 Sonoma

Related pages
 Sonoma Coast State Beach
 Sonoma County Transit

References

 Other websites 

 Sonoma County Official Website

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Category:1850 establishments in California