Population 43,466 · Census ACS 2020–24
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Population and households in Siskiyou County
Household size in Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 2.19 | 3.04 | 2.68 |
| 2010–14 | 2.26 | 3.10 | 2.73 |
| 2015–19 | 2.24 | 3.09 | 2.71 |
| 2020–24 | 2.25 | 3.01 | 2.65 |
| Change | +0.06 | −0.03 | −0.03 |
Siskiyou County is a place of small households, averaging 2.25 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has crept up from 2.19 in 2006–10, even as the national average fell. Of California's 58 counties, only two have smaller households.
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 Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 45.6 | 35.8 | 37.7 |
| 2010–14 | 46.2 | 36.8 | 38.6 |
| 2015–19 | 47.1 | 37.9 | 39.6 |
| 2020–24 | 47.0 | 39.0 | 40.1 |
| Change | +1.4 | +3.1 | +2.3 |
Siskiyou County skews older: half of its residents are older than 47.0, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. Since 2006–10, the median age has climbed from 45.6, in line with the national trend.
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 Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 11.7% | 13.5% | 12.3% |
| 2010–14 | 10.5% | 13.5% | 12.3% |
| 2015–19 | 9.5% | 12.3% | 11.6% |
| 2020–24 | 10.7% | 12.3% | 11.6% |
| Change | −1.0 pts | −1.2 pts | −0.6 pts |
Single parents head just over one in ten households in Siskiyou County (10.7%), close to the national share of 11.6%. Single parents are less common here than in California as a whole (12.3%). The single-parent share is down 1.0 points from 2006–10, mirroring the country.
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 Siskiyou County
Renters in Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 34.8% | 42.6% | 33.3% |
| 2010–14 | 36.9% | 45.2% | 35.6% |
| 2015–19 | 35.0% | 45.2% | 36.0% |
| 2020–24 | 30.8% | 44.1% | 34.8% |
| Change | −4.0 pts | +1.5 pts | +1.5 pts |
About three in ten households in Siskiyou County rent their homes (30.8%), a little below the national share of 34.8%; the rest own. Among homeowners, 50.5% have no mortgage at all, well above the national share of 39.8%. Rentals cluster in the northeast; owners are most common in the northwest. The renter share has fallen 4.0 points since 2006–10, even as the national share rose.
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 Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 15.1% | 8.7% | 11.4% |
| 2010–14 | 17.7% | 8.1% | 11.4% |
| 2015–19 | 18.7% | 7.5% | 11.1% |
| 2020–24 | 15.8% | 7.3% | 9.6% |
| Change | +0.7 pts | −1.4 pts | −1.8 pts |
Vacant homes make up 15.8% of the housing in Siskiyou County, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand. Vacancy is up 0.7 points from 2006–10, even as the national rate fell.
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 Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 1972 | 1972 | 1974 |
| 2010–14 | 1973 | 1973 | 1975 |
| 2015–19 | 1974 | 1974 | 1977 |
| 2020–24 | 1974 | 1976 | 1980 |
| Change | +2 | +4 | +6 |
Housing in Siskiyou County leans a little older: the median home dates to 1974, against 1980 nationally. Newer construction is concentrated in the center, while the southeast has the oldest housing. Siskiyou County has older homes than at least four in five California counties.
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 Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | $751 | $1,298 | $965 |
| 2010–14 | $831 | $1,379 | $1,040 |
| 2015–19 | $883 | $1,721 | $1,213 |
| 2020–24 | $1,217 | $2,229 | $1,571 |
| Change | +$466 | +$931 | +$606 |
The median renter in Siskiyou County pays $1,217 a month for rent and utilities, well below the national median of $1,571. Rents are up $466 a month from 2006–10, a 62% jump, roughly in step with the nation. The typical renter here spends 33.6% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Renters on a budget will find the lowest rents in the northeast; the highest are in the south.
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 Siskiyou County
Bachelor's degrees in Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 22.6% | 29.1% | 28.4% |
| 2010–14 | 23.8% | 30.1% | 29.6% |
| 2015–19 | 23.0% | 32.9% | 32.1% |
| 2020–24 | 22.7% | 36.3% | 35.6% |
| Change | +0.0 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in Siskiyou County: 22.7% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. College graduates are most concentrated in the south and least in the northeast.
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 Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 88.4% | 79.9% | 84.9% |
| 2010–14 | 88.8% | 80.7% | 86.1% |
| 2015–19 | 89.8% | 82.6% | 87.7% |
| 2020–24 | 91.3% | 84.2% | 89.3% |
| Change | +3.0 pts | +4.3 pts | +4.3 pts |
About nine in ten adults in Siskiyou County have finished high school (91.3%), a bit above the national rate of 89.3%. The share with a diploma has risen 3.0 points since 2006–10, as it has nationally.
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 Siskiyou County
| Period | Siskiyou County | California | U.S. |
|---|---|---|---|
| 2006–10 | 12.1% | 9.2% | 8.1% |
| 2010–14 | 14.5% | 11.3% | 9.4% |
| 2015–19 | 7.2% | 6.3% | 5.6% |
| 2020–24 | 7.6% | 6.6% | 5.4% |
| Change | −4.5 pts | −2.6 pts | −2.7 pts |
Finding work has been harder in Siskiyou County: 7.6% of the labor force was out of work and looking, well above the national rate of 5.4%. Since 2006–10, unemployment has fallen 4.5 points, as it has nationally. 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).
Siskiyou 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Siskiyou County | 2.25 | 47.0 | 10.7% | 30.8% | 15.8% | 1974 | $1,217 | 22.7% | 91.3% | 7.6% |
| Modoc County | 2.52 | 51.3 | 5.6% | 22.6% | 28.4% | 1974 | $899 | 25.5% | 86.2% | 7.4% |
| Box Elder County | 3.19 | 33.4 | 8.6% | 24.0% | 6.5% | 1986 | $1,175 | 26.5% | 93.0% | 3.1% |
| Sweetwater County | 2.37 | 38.0 | 11.1% | 25.4% | 10.9% | 1978 | $946 | 21.3% | 92.8% | 5.9% |
| Carbon County | 2.34 | 42.5 | 12.2% | 23.7% | 24.6% | 1970 | $984 | 25.4% | 90.5% | 3.4% |
| Banner County | 2.43 | 51.5 | 4.6% | 32.1% | 20.4% | 1959 | $975 | 33.3% | 89.7% | 3.7% |
| Garden County | 2.02 | 48.9 | 8.3% | 21.3% | 26.4% | 1954 | $740 | 21.1% | 94.7% | 5.6% |
| Arthur County | 2.62 | 46.0 | 6.5% | 19.5% | 20.3% | 1974 | $750 | 36.6% | 98.8% | 0.4% |
| McPherson County | 2.24 | 45.8 | 0.9% | 34.9% | 20.9% | 1955 | $588 | 25.7% | 95.0% | 0.0% |
| Logan County | 2.59 | 45.5 | 1.3% | 21.1% | 9.4% | 1956 | $761 | 24.1% | 97.8% | 0.2% |
| Custer County | 2.33 | 43.9 | 10.4% | 31.1% | 15.8% | 1957 | $866 | 24.9% | 95.1% | 2.4% |
All figures 2020–24.
Counties with similar populations: Goodhue County, MN · Franklin County, IL · Franklin County, KY · Franklin County, NY · Franklin County, TN · Franklin County, VT · Fremont County, CO · Fremont County, WY · Fulton County, NY · Fulton County, OH
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 Siskiyou 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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