Colusa County, California Population 2021

Colusa County, California's estimated population is 21,805 with a growth rate of 0.60% in the past year according to the most recent United States census data. Colusa County, California is the 51st largest county in California. The 2010 Population was 21,437 and has seen a growth of 1.72% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202121,8051290.60%
202021,6761290.60%
201921,5471290.60%
201821,418-161-0.75%
201721,579830.39%
201621,4962651.25%
201521,231550.26%
201421,176-74-0.35%
201321,250-34-0.16%
201221,284-39-0.18%
201121,323-114-0.53%
201021,4375,16231.72%
199016,2753,48427.24%
198012,7913612.90%
197012,4303552.94%
196012,0754243.64%
195011,6511,86319.03%
19409,788-470-4.58%
193010,25896810.42%
19209,2901,55820.15%
19107,7323685.00%
19007,364-7,276-49.70%
189014,6401,52211.60%
188013,1186,953112.78%
18706,1653,891171.11%
18602,2742,1591877.39%
18501150.00%
2021 Growth Rate
0.60%
County Website
County Seat
2010 Population
21,437
Growth (since 2010)
1.72%
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Colusa County, California Population Growth

Population by Race

Race Population Percentage
White18,94988.32%
Some Other Race9974.65%
Two or More Races6092.84%
Black or African American3271.52%
Asian3091.44%
American Indian and Alaska Native2251.05%
Native Hawaiian and Other Pacific Islander380.18%
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Colusa County, California Population by Race

Colusa County, California Population Pyramid 2021

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Colusa County, California Median Age

35.3


Total

34.3


Male

36.3


Female

Colusa County, California Adults

There are 15,612 adults, (3,082 of whom are seniors) in Colusa County, California.

Colusa County, California Age Dependency

71.2

Age Dependency Ratio

24.6

Old Age Dependency Ratio

46.6

Child Dependency Ratio

Colusa County, California Sex Ratio

Female

10,460

48.76%

Male

10,994

51.24%

Colusa County, California Population by Age

Colusa County, California Renter vs Owner Occupied by Household Type

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Colusa County, California Household Types

Type Owner Renter
Married70.1%29.9%
All61%39%
Non Family58.1%41.9%
Male48%52%
Female31.4%68.6%

61.0%

Rate of Home Ownership

Colusa County, California Households and Families

Type Count Average Size Owned
All7,2272.9461
Married4,0123.5870.1
Non Family1,9001.2458.1
Female8253.5431.4
Male4903.2848

3.45

Average Family Size

2.94

Average Household Size

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Colusa County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,60819.07%
9th to 12th Grade1,3249.68%
High School Graduate3,58626.22%
Some College2,82620.66%
Associates Degree1,2819.37%
Bachelors Degree1,52311.14%
Graduate Degree5293.87%
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Colusa County, California Educational Attainment by Sex (over 25)

Colusa County, California Educational Attainment by Race

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Name Total High School Bachelors
Hispanic6,9523,533506
White5,8625,4841,435
Other Race66427568
Multiple Races30225241
Black28721525
Asian25824665
Native American19215245
Islander3818

The highest rate of high school graduation is among asian people with a rate of 95.35%.

The highest rate of bachelors degrees is among asian people with a rate of 25.19%.

Colusa County, California Educational Attainment by Race

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Name Average Male Female
Overall$32,500$40,998$22,471
Less Than High School$26,989$32,029$15,966
High School Grad$33,563$43,138$21,929
Some College$35,378$41,845$24,555
Bachelors Degree$51,335$57,344$41,071
Graduate Degree$53,214$82,321$42,872

$32,500

Average Earnings

$40,998

Average Male

$22,471

Average Female

Colusa County, California Earnings by Educational Attainment

Colusa County, California Language by Age

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Colusa County, California Language

48.34% of Colusa County, California residents speak only English, while 51.66% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 50.16% of the population.

Colusa County, California Language

Colusa County, California Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic12,6781,48411.71%
White7,5071,10814.76%
Other98814514.68%
Asian2967625.68%
Multiple609579.36%
Black2885218.06%
Native22562.67%

13.04%

Overall Poverty Rate

11.76%

Male Poverty Rate

14.37%

Female Poverty Rate

Poverty in Colusa County, California

The race most likely to be in poverty in Colusa County, California is Asian, with 25.68% below the poverty level.

The race least likely to be in poverty in Colusa County, California is Native, with 2.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.46%. Among those working part-time, it was 11.73%, and for those that did not work, the poverty rate was 19.79%.

Colusa County, California Poverty

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Name Poverty
Some College12.46%
Less Than High School12.19%
High School11.29%
Bachelors or Greater2.92%

Colusa County, California Poverty Rate by Education

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Name Poverty
Male Unemployed38.46%
Female Unemployed31.23%
Female Employed6.05%
Male Employed3.53%

Colusa County, California Poverty Rate by Employment Status and Sex

Colusa County, California Income by Household Type

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Name Median Mean
Households$59,401$77,196
Families$66,910$86,863
Married Families$79,577-
Non Families$30,389$44,445
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Income by Household Type

Colusa County, California Marital Status

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Marriage Rates

53.4%

Overall Marriage Rate

54.9%

Male Marriage Rate

51.8%

Female Marriage Rate

Colusa County, California Married by Age and Sex

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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 35-44.

Colusa County, California Marital Status by Race

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Colusa County, California Marital Status

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830

Number of Veterans

739

Male Veterans

91

Female Veterans

War Veterans
Vietnam378
First Gulf War112
Second Gulf War92
Korea72
World War II25

Colusa County, California Veterans by War

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Age Group Veterans
65 to 74315
75+201
55 to 64163
18 to 3488
35 to 5463

Colusa County, California Veterans by Age

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Name Veterans % of Total
White6784.96%
Hispanic1892.25%
Black8126.64%
Asian3312.18%
2 or More328.56%
Indian62.91%

Colusa County, California Veterans by Race

Colusa County, California Veterans by Education

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11.22%

Veteran Poverty Rate

34.16%

Veteran Disability Rate

Colusa County, California Veterans by Education

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62.4%

Labor Force Participation

59.6%

Employment Rate

4.3%

Unemployment Rate

Colusa County, California Employment by Age

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Colusa County, California Employment by Race

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Colusa County, California Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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63.85%

Born in California

72.96%

Native Born

27.04%

Foreign Born

16.01%

Non Citizen

11.03%

Naturalized

Place of Birth

72.96% of Colusa County, California residents were born in the United States, with 63.85% having been born in California. 16.01% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources