In 2019, Colusa County, CA had a population of 21.5k people with a median age of 35.3 and a median household income of $59,401. Between 2018 and 2019 the population of Colusa County, CA declined from 21,464 to 21,454, a −0.0466% decrease and its median household income grew from $56,704 to $59,401, a 4.76% increase.
The 5 largest ethnic groups in Colusa County, CA are White (Hispanic) (53%), White (Non-Hispanic) (35.3%), Other (Hispanic) (4.48%), Two+ (Non-Hispanic) (1.84%), and Asian (Non-Hispanic) (1.27%). 0% of the households in Colusa County, CA speak a non-English language at home as their primary language, and 84% of the residents in Colusa County, CA are U.S. citizens.
In 2019, the median property value in Colusa County, CA was $265,200, and the homeownership rate was 61%. Most people in Colusa County, CA drove alone to work, and the average commute time was 24.6 minutes. The average car ownership in Colusa County, CA was 2 cars per household.