Colusa County Flag

Colusa County

State:
California
County Seat:
Colusa

Colusa County's estimated 2025 population is 22,293 with a growth rate of 0.58% in the past year according to the most recent United States census data. Colusa County is the 50th largest county in California. The 2010 population was 21,435 and has seen a growth of 4% since that time.

22,293
Total Population
19
Population Density (mi²)
50
Population Rank (State)
128 0.58%
Annual Population Growth

Colusa County Population

Colusa County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Colusa County includes 51.2% White, 25.36% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White11,21051.2%
Other race5,55325.36%
Two or more races4,35419.89%
Black or African American3111.42%
Native American3081.41%
Asian1450.66%
Native Hawaiian or Pacific Islander140.06%

Colusa County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Colusa County's average per capita income is $45,193. Household income levels show a median of $75,149. The poverty rate stands at 10.8%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$100,662-
Families$89,214$110,132
Households$75,149$93,585
Non Families$35,667$50,860

$45,193

Average Income

$75,149

Median Household Income

10.8%

Poverty Rate