Population 1,347 · Census ACS 2020–24
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Population and households in Knightsen
Household size in Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.38 | 2.74 | 3.04 | 2.68 |
| 2010–14 | 3.39 | 2.79 | 3.10 | 2.73 |
| 2015–19 | 3.62 | 2.83 | 3.09 | 2.71 |
| 2020–24 | 3.36 | 2.75 | 3.01 | 2.65 |
| Change | −0.02 | +0.01 | −0.03 | −0.03 |
Knightsen is a place of big households: 3.36 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids.
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 Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 33.2 | 38.6 | 35.8 | 37.7 |
| 2010–14 | 35.2 | 39.4 | 36.8 | 38.6 |
| 2015–19 | 36.0 | 40.1 | 37.9 | 39.6 |
| 2020–24 | 37.1 | 41.3 | 39.0 | 40.1 |
| Change | +4.0 | +2.7 | +3.1 | +2.3 |
The median resident of Knightsen is 37.1 years old, a few years younger than the national median of 40.1. The median age has climbed from 33.2 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.
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 Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.9% | 10.3% | 13.5% | 12.3% |
| 2010–14 | 19.8% | 9.9% | 13.5% | 12.3% |
| 2015–19 | 21.5% | 9.1% | 12.3% | 11.6% |
| 2020–24 | 7.9% | 8.8% | 12.3% | 11.6% |
| Change | −4.9 pts | −1.5 pts | −1.2 pts | −0.6 pts |
Single-parent households are relatively rare in Knightsen: 7.9% of households, against 11.6% nationally. The picture is much the same across the San Francisco area.
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 Knightsen
Renters in Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 25.9% | 43.7% | 42.6% | 33.3% |
| 2010–14 | 28.4% | 46.2% | 45.2% | 35.6% |
| 2015–19 | 21.7% | 45.3% | 45.2% | 36.0% |
| 2020–24 | 10.6% | 44.5% | 44.1% | 34.8% |
| Change | −15.3 pts | +0.8 pts | +1.5 pts | +1.5 pts |
Knightsen is overwhelmingly a place of homeowners: only 10.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Just over one in six owners (17.5%) have paid off their mortgages, well below the national share of 39.8%.
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 Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.3% | 8.6% | 8.7% | 11.4% |
| 2010–14 | 5.3% | 7.1% | 8.1% | 11.4% |
| 2015–19 | 5.7% | 6.5% | 7.5% | 11.1% |
| 2020–24 | 3.4% | 7.5% | 7.3% | 9.6% |
| Change | −6.9 pts | −1.1 pts | −1.4 pts | −1.8 pts |
Only 3.4% of homes in Knightsen are vacant, far below the national rate of 9.6%, which usually means strong demand for housing.
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 Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 1993 | 1964 | 1972 | 1974 |
| 2010–14 | 1992 | 1965 | 1973 | 1975 |
| 2015–19 | 1994 | 1966 | 1974 | 1977 |
| 2020–24 | 2004 | 1968 | 1976 | 1980 |
| Change | +11 | +4 | +4 | +6 |
Much of the housing in Knightsen is relatively new: half of its homes were built after 2004, compared with 1980 for the U.S. as a whole.
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 Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,309 | $1,452 | $1,298 | $965 |
| 2010–14 | $1,403 | $1,551 | $1,379 | $1,040 |
| 2015–19 | $1,632 | $2,139 | $1,721 | $1,213 |
| 2020–24 | $2,414 | $2,666 | $2,229 | $1,571 |
| Change | +$1,105 | +$1,214 | +$931 | +$606 |
A typical rental in Knightsen costs $2,414 a month with utilities, well above the national median of $1,571. Still, rents here are lower than in the wider San Francisco area ($2,666). The typical renter here spends 27.4% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 Knightsen
Bachelor's degrees in Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 19.0% | 42.5% | 29.1% | 28.4% |
| 2010–14 | 26.7% | 44.1% | 30.1% | 29.6% |
| 2015–19 | 24.6% | 48.9% | 32.9% | 32.1% |
| 2020–24 | 25.0% | 52.2% | 36.3% | 35.6% |
| Change | +6.0 pts | +9.7 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in Knightsen: 25.0% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%.
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 Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 83.7% | 86.8% | 79.9% | 84.9% |
| 2010–14 | 89.4% | 87.5% | 80.7% | 86.1% |
| 2015–19 | 93.6% | 88.8% | 82.6% | 87.7% |
| 2020–24 | 84.3% | 89.1% | 84.2% | 89.3% |
| Change | +0.6 pts | +2.3 pts | +4.3 pts | +4.3 pts |
Nearly one in six adults in Knightsen never finished high school, well above the national share: only 84.3% have a diploma or equivalent, against 89.3% 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 Knightsen
| Period | Knightsen | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.3% | 7.8% | 9.2% | 8.1% |
| 2010–14 | 12.5% | 8.9% | 11.3% | 9.4% |
| 2015–19 | 5.6% | 4.6% | 6.3% | 5.6% |
| 2020–24 | 10.9% | 5.8% | 6.6% | 5.4% |
| Change | +3.6 pts | −2.0 pts | −2.6 pts | −2.7 pts |
Finding work has been harder in Knightsen: 10.9% of the labor force was out of work and looking, well above the national rate of 5.4%. 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).
Knightsen compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Knightsen | 3.36 | 37.1 | 7.9% | 10.6% | 3.4% | 2004 | $2,414 | 25.0% | 84.3% | 10.9% |
| Oakley | 3.33 | 37.6 | 10.2% | 20.9% | 4.2% | 1998 | $2,168 | 26.2% | 89.4% | 5.4% |
| Brentwood | 3.20 | 40.7 | 10.4% | 18.1% | 3.5% | 2002 | $2,751 | 38.7% | 91.1% | 5.8% |
| Bethel Island | 2.37 | 55.3 | 9.5% | 34.9% | 16.9% | 1970 | $1,908 | 18.2% | 68.4% | 35.6% |
| Discovery Bay | 2.88 | 45.4 | 7.5% | 10.2% | 8.6% | 1997 | $2,885 | 32.5% | 94.5% | 8.8% |
| Byron | 3.18 | 45.1 | 13.7% | 39.2% | 3.2% | 1980 | $2,614 | 18.8% | 84.1% | 15.7% |
| Antioch | 3.13 | 39.5 | 16.4% | 36.9% | 4.3% | 1984 | $2,625 | 24.0% | 85.1% | 7.5% |
| Bridgehead | 1.73 | 61.6 | 10.7% | 20.1% | 4.7% | 1983 | $1,250 | 10.0% | 92.1% | 10.5% |
| Holt | 1.84 | 37.8 | 11.2% | 87.8% | 27.4% | 1979 | $678 | 11.2% | 58.5% | 5.6% |
| Pittsburg | 3.31 | 36.5 | 12.8% | 36.4% | 4.9% | 1985 | $2,347 | 23.9% | 81.6% | 8.1% |
| Clayton | 2.80 | 43.0 | 10.8% | 12.6% | 1.9% | 1981 | $3,111 | 55.5% | 98.3% | 5.9% |
All figures 2020–24.
Cities with similar populations: Isola, MS · South Chatham, MA · Smithville, GA · Scott, IN · Milroy, IN · Mill Run, PA · Allenwood, NJ · Linden, IN · Lincoln, MT · Lincoln Center, 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 Knightsen. 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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