Population 21,984 · Census ACS 2020–24
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Population and households in Colusa County
Household size in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 2.99 | 3.04 | 2.68 |
| 2010–14 | 3.11 | 3.10 | 2.73 |
| 2015–19 | 3.01 | 3.09 | 2.71 |
| 2020–24 | 3.04 | 3.01 | 2.65 |
| Change | +0.05 | −0.03 | −0.03 |
Households in Colusa County are large by national standards, averaging 3.04 people against 2.65 for the U.S. That usually means more families with children at home. Household size has crept up from 2.99 in 2006–10, even as the national average fell.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 34.7 | 35.8 | 37.7 |
| 2010–14 | 36.2 | 36.8 | 38.6 |
| 2015–19 | 36.3 | 37.9 | 39.6 |
| 2020–24 | 36.7 | 39.0 | 40.1 |
| Change | +2.0 | +3.1 | +2.3 |
Colusa County is younger than the country as a whole: its median age is 36.7, against 40.1 nationally. The median age has climbed from 34.7 in 2006–10, mirroring the country.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 15.1% | 13.5% | 12.3% |
| 2010–14 | 14.0% | 13.5% | 12.3% |
| 2015–19 | 14.6% | 12.3% | 11.6% |
| 2020–24 | 14.4% | 12.3% | 11.6% |
| Change | −0.7 pts | −1.2 pts | −0.6 pts |
Single parents head about one in seven households in Colusa County (14.4%), above the national share of 11.6%. Since 2006–10, the single-parent share has edged down 0.7 points, as it has nationally.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Colusa County
Renters in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 35.6% | 42.6% | 33.3% |
| 2010–14 | 36.4% | 45.2% | 35.6% |
| 2015–19 | 39.0% | 45.2% | 36.0% |
| 2020–24 | 37.8% | 44.1% | 34.8% |
| Change | +2.2 pts | +1.5 pts | +1.5 pts |
Renting in Colusa County is about as common as it is nationally: 37.8% of households rent, against 34.8%. Renters make up a smaller share here than in California as a whole (44.1%). Among owners, 43.2% have paid off their mortgages, above the national share of 39.8%. The renter share has risen 2.2 points since 2006–10, mirroring the country.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 10.0% | 8.7% | 11.4% |
| 2010–14 | 12.4% | 8.1% | 11.4% |
| 2015–19 | 9.5% | 7.5% | 11.1% |
| 2020–24 | 8.1% | 7.3% | 9.6% |
| Change | −1.9 pts | −1.4 pts | −1.8 pts |
Fewer homes sit empty in Colusa County than nationally: 8.1%, against 9.6% for the U.S. That is in line with the rest of California. Since 2006–10, vacancy has fallen 1.9 points, in line with the national trend.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 1976 | 1972 | 1974 |
| 2010–14 | 1978 | 1973 | 1975 |
| 2015–19 | 1979 | 1974 | 1977 |
| 2020–24 | 1980 | 1976 | 1980 |
| Change | +4 | +4 | +6 |
The typical home in Colusa County was built around 1980, the same vintage as the country's housing overall. Homes here are newer than in California as a whole, where the median home dates to 1976. The median year built has moved up from 1976 in 2006–10, a sign of steady new building. The newest homes are mostly in the center, the oldest in the northwest.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | $946 | $1,298 | $965 |
| 2010–14 | $940 | $1,379 | $1,040 |
| 2015–19 | $930 | $1,721 | $1,213 |
| 2020–24 | $1,189 | $2,229 | $1,571 |
| Change | +$243 | +$931 | +$606 |
Rent in Colusa County runs $1,189 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $243 a month from 2006–10, a 26% rise, a slower climb than the nation's. Rent takes 30.4% of the typical renter's income, just over the 30% mark often used to define affordable rent. Renters on a budget will find the lowest rents in the center; the highest are in the west.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Colusa County
Bachelor's degrees in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 11.9% | 29.1% | 28.4% |
| 2010–14 | 14.0% | 30.1% | 29.6% |
| 2015–19 | 14.6% | 32.9% | 32.1% |
| 2020–24 | 15.3% | 36.3% | 35.6% |
| Change | +3.4 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in Colusa County: 15.3% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree is up 3.4 points from 2006–10, as it has nationally. Of California's 58 counties, only four have a lower share of college graduates.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 68.5% | 79.9% | 84.9% |
| 2010–14 | 68.2% | 80.7% | 86.1% |
| 2015–19 | 71.2% | 82.6% | 87.7% |
| 2020–24 | 73.4% | 84.2% | 89.3% |
| Change | +4.9 pts | +4.3 pts | +4.3 pts |
Just over a quarter of adults in Colusa County never finished high school, well above the national share: only 73.4% have a diploma or equivalent, against 89.3% nationally. The share with a diploma has risen 4.9 points since 2006–10, as it has nationally. Only four of California's 58 counties have a lower share of high school graduates.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Colusa County
| Period | Colusa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 14.1% | 9.2% | 8.1% |
| 2010–14 | 12.3% | 11.3% | 9.4% |
| 2015–19 | 4.5% | 6.3% | 5.6% |
| 2020–24 | 9.3% | 6.6% | 5.4% |
| Change | −4.8 pts | −2.6 pts | −2.7 pts |
Finding work has been harder in Colusa County: 9.3% of the labor force was out of work and looking, well above the national rate of 5.4%. Since 2006–10, unemployment has fallen 4.8 points, mirroring the country. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Colusa County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Colusa County | 3.04 | 36.7 | 14.4% | 37.8% | 8.1% | 1980 | $1,189 | 15.3% | 73.4% | 9.3% |
| Sutter County | 3.05 | 38.7 | 13.8% | 38.7% | 6.0% | 1982 | $1,627 | 20.8% | 79.8% | 7.4% |
| Yuba County | 3.00 | 35.8 | 16.1% | 36.5% | 7.6% | 1988 | $1,549 | 18.4% | 85.1% | 7.3% |
| Nevada County | 2.40 | 50.2 | 8.1% | 24.5% | 15.9% | 1982 | $1,836 | 41.0% | 94.4% | 5.5% |
| Mendocino County | 2.64 | 44.3 | 11.4% | 38.3% | 15.9% | 1977 | $1,445 | 24.5% | 86.4% | 9.4% |
| Carson City | 2.39 | 43.0 | 13.1% | 37.7% | 6.5% | 1984 | $1,363 | 23.0% | 88.4% | 6.5% |
| White Pine County | 2.20 | 43.8 | 9.4% | 24.6% | 17.6% | 1964 | $943 | 13.1% | 86.8% | 6.6% |
| Millard County | 3.00 | 34.7 | 9.3% | 18.2% | 14.3% | 1973 | $861 | 24.2% | 91.8% | 5.3% |
| Emery County | 2.91 | 37.3 | 9.2% | 19.9% | 16.3% | 1979 | $730 | 18.9% | 94.7% | 3.6% |
| Mesa County | 2.39 | 41.8 | 9.6% | 27.5% | 6.5% | 1986 | $1,394 | 32.0% | 93.0% | 5.4% |
| Pitkin County | 1.86 | 47.8 | 4.0% | 37.2% | 23.5% | 1986 | $1,864 | 61.5% | 96.3% | 2.7% |
All figures 2020–24.
Counties with similar populations: Jackson Parish, LA · Plaquemines Parish, LA · Piscataquis County, ME · Pine County, MN · Pike County, OH · Pike County, MO · Pike County, IL · Jefferson County, OR · Jefferson County, MT · Jefferson County, KS
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Colusa County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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