Colusa County, California Population 2023

21,965

Colusa County, California's estimated 2023 population is 21,965 with a growth rate of 0.19% in the past year according to the most recent United States census data. Colusa County, California is the 50th largest county in California. The 2010 population was 21,419 and has seen a growth of 2.55% since that time.

Note: data after 2021 is projected based on recent change

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2023 Growth Rate
0.19% (42)
County Website
Colusa County
County Seat
Colusa
2010 Population
21,419
Growth Since 2010
2.55% (546)

Colusa County, California Population 2023

Population by Race

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White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Colusa County, California Population by Race

Colusa County, California Population Pyramid 2023

Colusa County, California Median Age

35.6

Total

34.9

Male

36.6

Female

Colusa County, California Adults

There are 15,844 adults, (3,171 of whom are seniors) in Colusa County, California.

Colusa County, California Age Dependency

71.9

Age Dependency Ratio

25

Old Age Dependency Ratio

46.8

Child Dependency Ratio

Colusa County, California Sex Ratio

Female10,63848.84%
Male11,14251.16%

Colusa County, California Population by Age

Colusa County, California Renter vs Owner Occupied by Household Type

3.72

Average Family Size

2.95

Average Household Size

61.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Colusa County, California Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Colusa County, California Educational Attainment by Sex (over 25)

Colusa County, California Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 87.34%.

The highest rate of bachelors degrees is among asian people with a rate of 29.11%.

Colusa County, California Educational Attainment by Race

All

Male

Female

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$37,297

Average Earnings

$43,991

Average Male

$28,199

Average Female

Colusa County, California Earnings by Educational Attainment

Colusa County, California Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Colusa County, California Language

48.37% of Colusa County, California residents speak only English, while 51.63% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 50.28% of the population.

Colusa County, California Language

Colusa County, California Poverty by Race

rate

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13%

Overall Poverty Rate

11.53%

Male Poverty Rate

14.55%

Female Poverty Rate

Poverty in Colusa County, California

The race most likely to be in poverty in Colusa County, California is Asian, with 42.41% below the poverty level.

The race least likely to be in poverty in Colusa County, California is Native, with 2.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.22%. Among those working part-time, it was 12.27%, and for those that did not work, the poverty rate was 18.14%.

Colusa County, California Poverty

rate

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Colusa County, California Poverty Rate by Education

rate

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Colusa County, California Poverty Rate by Employment Status and Sex

Colusa County, California Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Colusa County, California Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.8%

Overall Marriage Rate

51.0%

Male Marriage Rate

48.6%

Female Marriage Rate

Colusa County, California Married by Age and Sex

male

female

Colusa County, California Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Colusa County, California Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Colusa County, California Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

754

Number of Veterans

650

Male Veterans

104

Female Veterans

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Colusa County, California Veterans by War

count

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Colusa County, California Veterans by Age

count

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Colusa County, California Veterans by Race

Colusa County, California Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.89%

Veteran Poverty Rate

31.59%

Veteran Disability Rate

Colusa County, California Veterans by Education

LaborForceParticipation

61.1%

Labor Force Participation

57.8%

Employment Rate

5.5%

Unemployment Rate

Colusa County, California Employment by Age

LaborForceParticipation

Colusa County, California Employment by Race

LaborForceParticipation

Colusa County, California Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

64.04%

Born in Colusa County, California

72.98%

Native Born

26.56%

Foreign Born

14.2%

Non Citizen

12.36%

Naturalized

Place of Birth

72.98% of Colusa County, California residents were born in the United States, with 64.04% having been born in California. 14.2% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Colusa County, California Place of Birth

Sources