In 2023, Sonoma County, CA had a population of 486k people with a median age of 42.7 and a median household income of $102,840. Between 2022 and 2023 the population of Sonoma County, CA declined from 488,436 to 485,642, a −0.572% decrease and its median household income grew from $99,266 to $102,840, a 3.6% increase.
The 5 largest ethnic groups in Sonoma County, CA are White (Non-Hispanic) (59.1%), Other (Hispanic) (13.6%), Two+ (Hispanic) (9.12%), White (Hispanic) (5.41%), and Two+ (Non-Hispanic) (4.58%).
None of the households in Sonoma County, CA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
91.4% of the residents in Sonoma County, CA are U.S. citizens.
The largest universities in Sonoma County, CA are Santa Rosa Junior College (123013) (5,856 degrees awarded in 2022), Sonoma State University (2,454 degrees), and Lytles Redwood Empire Beauty College (82 degrees).
In 2023, the median property value in Sonoma County, CA was $779,000, and the homeownership rate was 62.2%.
Most people in Sonoma County, CA drove alone to work, and the average commute time was 25.3 minutes. The average car ownership in Sonoma County, CA was 2 cars per household.
Sonoma County, CA borders Contra Costa County, CA, Lake County, CA, Marin County, CA, Mendocino County, CA, Napa County, CA, and Solano County, CA.