In 2018, Napa County, CA had a population of 141k people with a median age of 41.1 and a median household income of $84,753. Between 2017 and 2018 the population of Napa County, CA declined from 141,005 to 140,530, a -0.337% decrease and its median household income grew from $79,637 to $84,753, a 6.42% increase.
The 5 largest ethnic groups in Napa County, CA are White (Non-Hispanic) (52.8%), White (Hispanic) (20.3%), Other (Hispanic) (11.5%), Asian (Non-Hispanic) (7.98%), and Two+ (Non-Hispanic) (2.56%). 0% of the households in Napa County, CA speak a non-English language at home as their primary language, and 87.8% of the residents in Napa County, CA are U.S. citizens.
In 2018, the median property value in Napa County, CA was $603,700, and the homeownership rate was 63.7%. Most people in Napa County, CA drove alone to work, and the average commute time was 23.5 minutes. The average car ownership in Napa County, CA was 2 cars per household.