Colusa County, California Population 2020

Colusa County, California's estimated population is 21,675 with a growth rate of 0.57% in the past year according to the most recent United States census data. Colusa County, California is the 50th largest county in California.

Year Population Growth Growth Rate
201821,627-48-0.22%
201721,6751220.57%
201621,5532841.34%
201521,269710.33%
201421,198-67-0.32%
201321,265-29-0.14%
201221,294-33-0.15%
201121,327-110-0.51%
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%

How Many People Live in Colusa County, California?

21,675

Colusa County, California Population Growth

Population by Race

Race Population Percentage
White18,85487.84%
Some Other Race1,1125.18%
Two or More Races5582.60%
Black or African American3621.69%
Asian3241.51%
American Indian and Alaska Native2010.94%
Native Hawaiian and Other Pacific Islander530.25%

Colusa County, California Population Pyramid 2020

Colusa County, California Median Age

35.1


Total

33.9


Male

36.1


Female

Colusa County, California Adults

There are 15,581 adults, (2,966 of whom are seniors) in Colusa County, California.

Colusa County, California Age Dependency

70.1

Age Dependency Ratio

23.5

Old Age Dependency Ratio

46.6

Child Dependency Ratio

Colusa County, California Sex Ratio

Female

10,340

48.17%

Male

11,124

51.83%

Colusa County, California Households and Families

Colusa County, California Renter vs Owner Occupied by Household Type

Colusa County, California Household Types

Type Owner Renter
Married70.2%29.8%
All61.5%38.5%
Non Family58.2%41.8%
Male42.4%57.6%
Female37.9%62.1%

61.5%

Rate of Home Ownership

Type Count Average Size Owned
All7,1132.9961.5
Married4,0623.570.2
Non Family1,6471.1758.2
Female7953.9137.9
Male6093.342.4

3.44

Average Family Size

2.99

Average Household Size

5.6%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Colusa County, California Education

Education Attained Count Percentage
Less Than 9th Grade2,68119.66%
9th to 12th Grade1,49310.95%
High School Graduate3,22523.65%
Some College2,81420.64%
Associates Degree1,3189.67%
Bachelors Degree1,57111.52%
Graduate Degree5323.90%

Colusa County, California Educational Attainment by Race

Name Total High School Bachelors
Hispanic6,8473,309463
White5,9255,4621,478
Other Race70432470
Asian29126174
Multiple Races24921744
Black24217759
Native American1338211
Islander5315

The highest rate of high school graduation is among white people with a rate of 92.19%.

The highest rate of bachelors degrees is among asian people with a rate of 25.43%.

Name Average Male Female
Overall$31,674$38,857$22,013
Less Than High School$24,757$31,529$14,975
High School Grad$31,834$38,897$22,538
Some College$34,375$41,453$26,799
Bachelors Degree$51,972$57,765$38,571
Graduate Degree$78,281$128,036$43,716

$31,674

Average Earnings

$38,857

Average Male

$22,013

Average Female

Colusa County, California Language

Colusa County, California Language by Age

Colusa County, California Language

48.33% of Colusa County, California residents speak only English, while 51.67% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 49.66% of the population.

Colusa County, California Poverty

Colusa County, California Poverty by Race

Name Total In Poverty Poverty Rate
Hispanic12,5961,93215.34%
White7,59884011.06%
Other1,09722620.60%
Multiple5537313.20%
Asian3067223.53%
Black3285115.55%
Native201157.46%

13.77%

Overall Poverty Rate

13.09%

Male Poverty Rate

14.50%

Female Poverty Rate

Poverty in Colusa County, California

The race most likely to be in poverty in Colusa County, California is Asian, with 23.53% below the poverty level.

The race least likely to be in poverty in Colusa County, California is Native, with 7.46% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.39%. Among those working part-time, it was 13.12%, and for those that did not work, the poverty rate was 18.32%.

Name Poverty
Less Than High School16.95%
Some College10.00%
High School8.35%
Bachelors or Greater2.45%

Colusa County, California Income

Colusa County, California Income by Household Type

Name Median Mean
Households$56,704$82,313
Families$64,177$92,973
Married Families$76,189-
Non Families$30,293$42,344

Colusa County, California Marital Status

Colusa County, California Marital Status

Marriage Rates

54.2%

Overall Marriage Rate

55.0%

Male Marriage Rate

53.4%

Female Marriage Rate

Colusa County, California Married by Age and Sex

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

Colusa County, California Veterans

795

Number of Veterans

718

Male Veterans

77

Female Veterans

War Veterans
Vietnam346
First Gulf War105
Korea92
Second Gulf War56
World War II12
Name Veterans % of Total
White6644.87%
Hispanic1431.72%
Asian4916.44%
Black3813.48%
2 or More3010.14%
Other141.69%

$Colusa County, California Veterans by Education

8.62%

Veteran Poverty Rate

35.91%

Veteran Disability Rate

Colusa County, California Employment Status

62.8%

Labor Force Participation

59.5%

Employment Rate

5.1%

Unemployment Rate

Colusa County, California Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

62.77%

Born in California

72.53%

Native Born

27.47%

Foreign Born

15.72%

Non Citizen

Place of Birth

72.53% of Colusa County, California residents were born in the United States, with 62.77% having been born in California. 15.72% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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