United States › California › Colusa County COUNTY
Colusa County California · 21,836 residents (2025 est.) · 1,151 sq mi
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The short version
Colusa County is home to 21,984 people in California. 16% of adults hold a bachelor's degree, below the 36% national rate. Few US counties rank higher on income. The foreign-born share is 28%. There are 19 people per square mile. Households here earn about 24% less than in California as a whole.
At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 35.9
US median: 38.9
Less educated
16% hold a bachelor's degree
US average: 36%
Less affordable
home values up 95%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 18,804 in 2000
21,836 in 2025 (Census Bureau estimate)
from 18 / sq mi in 2009
US average: 281
from 31.5 in 2000
US average: 38.9
Population, 1990 – 2024
16K 17K 19K 21K 23K 1990 2000 2010 2020 2024 Colusa County Age distribution, 2024
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Section 02
Income & economy $75,672
+18%inflation adjusted, since 2000
from $35,062 in 2000
US average: $82,259
from $14,730 in 2000
US average: $44,673
Households earning $100K+
from 27.0% in 2009
US average: 53.3%
from 16.1% in 2000
US average: 12.5%
from 0.429 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 20.6%
Professional, scientific, technical 6.3%
Public administration 2.3%
Transportation & warehousing 2.2%
Education & health services 1.4%
Arts, entertainment, food 0.9%
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$393,400
+95%inflation adjusted, since 2000
from $111,000 in 2000
US average: $376,019
$1,157
+29%inflation adjusted, since 2000
from $494 in 2000
US average: $1,442
from 63.2% in 2000
37.8% rent
from 10.1% in 2009
US average: 10.0%
from 2.96 people in 2009
US average: 2.54
from 34.2% in 2009
US average: 22.9%
from 40.8% in 2009
US average: 47.4%
from 6.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 48%(9,018)
Hispanic / Latino 46.5%(8,752)
2024
White, non-Hispanic 29.8%(6,550)
Hispanic / Latino 62.9%(13,832)
from 69 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 21 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 17 more ancestry groups with data from 10.6% in 2000
US average: 35.6%
High school or higher
from 64.0% in 2000
US average: 89.6%
from 2.8% in 2000
US average: 14.0%
Section 06
Commute & transportation from 16.3 min in 2000
US average: 26.5
from 72.2% in 2009
US average: 68.9%
from 18.3% in 2009
US average: 8.5%
from 0.4% in 2009
US average: 3.2%
from 2.7% in 2009
US average: 15.0%
from 4.3% in 2009
US average: 2.4%
from 1.1% in 2009
US average: 0.4%
from 7.2% in 2009
US average: 8.3%
Section 07
Work & employment from 13.8% in 2011
US average: 5.2%
from 65.8% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 68.9% in 2020
US average: 74.6%
from 13.2% in 2009
US average: 13.1%
from 24.3% in 2009
US average: 42.5%
Section 08
People & community from 26.4% in 2009
US average: 14.1%
from 8.1% in 2009
US average: 6.2%
from 12.4% in 2012
US average: 13.3%
from 21.7% in 2013
US average: 8.4%
from 74.5% in 2017
US average: 91.0%
Computer in household
from 87.5% in 2020
US average: 95.5%
from 89.7% in 2020
US average: 87.7%
from 51.9% in 2016
US average: 77.7%
from 46.3% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 33.3%(3,003)
Women 15+
Never married 30.4%(2,524)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 21.7% in 2013
US average: 8.4%
from 43.4% in 2020
US average: 54.8%
Direct-purchase
from 13.8% in 2020
US average: 13.8%
from 15.4% in 2020
US average: 18.4%
from 34.5% in 2020
US average: 20.9%
VA health care
from 1.2% in 2020
US average: 2.2%
Any private
from 55.9% in 2020
US average: 67.1%
Any public
from 46.3% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 25.8%(186)
Gulf War (1990s) 17.3%(125)
Share of the 722 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Colusa County Head to head
Compare Colusa County to nearby counties COLUSA COUNTY VS
Lake County
Income $60,621 −20%
Home value $324,300 −18%
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COLUSA COUNTY VS
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COLUSA COUNTY VS
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COLUSA COUNTY VS
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Home value $620,700 +58%
Population 224,410 +928%
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Frequently asked
How many people live in Colusa County, California? Colusa County, California has about 21,984 residents according to the 2024 American Community Survey.
What is the median household income in Colusa County, California? The typical household in Colusa County, California earns about $75,672 a year. Half of households make more than that, and half make less.
Is Colusa County, California expensive? In Colusa County, California, the median home is worth about $393,400, and the typical rent is about $1,157 a month.
How educated are people in Colusa County, California? About 16.4% of adults age 25 and over in Colusa County, California hold a bachelor's degree or higher.
What is the poverty rate in Colusa County, California? About 11.4% of people in Colusa County, California live below the federal poverty line.
Has Colusa County, California grown since 1990? Yes, Colusa County, California has grown since 1990. The population has added about 5,709 residents, a change of about 35 percent over that period.
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