In 2020, Marin County, CA had a population of 259k people with a median age of 47.1 and a median household income of $121,671. Between 2019 and 2020 the population of Marin County, CA declined from 259,943 to 259,441, a −0.193% decrease and its median household income grew from $115,246 to $121,671, a 5.58% increase.
The 5 largest ethnic groups in Marin County, CA are White (Non-Hispanic) (70.6%), Other (Hispanic) (7.27%), White (Hispanic) (6.09%), Asian (Non-Hispanic) (5.7%), and Two+ (Non-Hispanic) (4.43%).
None of the households in Marin 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.
90.7% of the residents in Marin County, CA are U.S. citizens.
In 2020, the median property value in Marin County, CA was $1.05M, and the homeownership rate was 63.6%. Most people in Marin County, CA drove alone to work, and the average commute time was 31.8 minutes. The average car ownership in Marin County, CA was 2 cars per household.