In 2020, Sonoma County, CA had a population of 497k people with a median age of 42.4 and a median household income of $86,173. Between 2019 and 2020 the population of Sonoma County, CA declined from 499,772 to 496,801, a −0.594% decrease and its median household income grew from $81,018 to $86,173, a 6.36% increase.
The 5 largest ethnic groups in Sonoma County, CA are White (Non-Hispanic) (62.5%), Other (Hispanic) (12.8%), White (Hispanic) (9.98%), Asian (Non-Hispanic) (4.17%), and Two+ (Non-Hispanic) (3.6%).
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.
90.9% of the residents in Sonoma County, CA are U.S. citizens.
In 2020, the median property value in Sonoma County, CA was $640,000, and the homeownership rate was 61.3%. Most people in Sonoma County, CA drove alone to work, and the average commute time was 25.6 minutes. The average car ownership in Sonoma County, CA was 2 cars per household.