Colusa County, CA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
21,895
Male
11,300
51.6%
Female
10,595
48.4%
Median Age
35.7 yrs
Avg Household Size
2.9
Foreign Born
27.5%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher9.3%
High School or Higher28.2%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
3.6%
Disability
0.0%
Non-English Home
17.1%
Married
41.5%
Colusa County, CA has a population of 21,895 according to 2023 Census Bureau estimates. The median age is 35.7 years. The largest racial or ethnic group is White at 51.2% of the population. 9.3% of residents hold a bachelor's degree or higher. 27.5% of residents are foreign-born.