Population 68,411 · Census ACS 2020–24
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Population and households in Brentwood
Household size in Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.22 | 2.74 | 3.04 | 2.68 |
| 2010–14 | 3.19 | 2.79 | 3.10 | 2.73 |
| 2015–19 | 3.16 | 2.83 | 3.09 | 2.71 |
| 2020–24 | 3.20 | 2.75 | 3.01 | 2.65 |
| Change | −0.02 | +0.01 | −0.03 | −0.03 |
Households in Brentwood are large by national standards, averaging 3.20 people against 2.65 for the U.S. That usually means more families with children at home. Households are largest in the northeast and smallest in the south.
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 Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 34.7 | 38.6 | 35.8 | 37.7 |
| 2010–14 | 37.4 | 39.4 | 36.8 | 38.6 |
| 2015–19 | 41.0 | 40.1 | 37.9 | 39.6 |
| 2020–24 | 40.7 | 41.3 | 39.0 | 40.1 |
| Change | +5.9 | +2.7 | +3.1 | +2.3 |
Half of the people in Brentwood are younger than 40.7 and half are older, close to the national median of 40.1. Since 2006–10, the median age has climbed from 34.7, mirroring the country. The youngest areas are in the east, the oldest in the southwest.
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 Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.3% | 10.3% | 13.5% | 12.3% |
| 2010–14 | 11.0% | 9.9% | 13.5% | 12.3% |
| 2015–19 | 9.1% | 9.1% | 12.3% | 11.6% |
| 2020–24 | 10.4% | 8.8% | 12.3% | 11.6% |
| Change | +0.1 pts | −1.5 pts | −1.2 pts | −0.6 pts |
Single parents head about one in ten households in Brentwood (10.4%), a little below the national share of 11.6%. Locally, though, single parents are more common here than in the San Francisco area as a whole (8.8%).
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 Brentwood
Renters in Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 19.6% | 43.7% | 42.6% | 33.3% |
| 2010–14 | 26.3% | 46.2% | 45.2% | 35.6% |
| 2015–19 | 22.5% | 45.3% | 45.2% | 36.0% |
| 2020–24 | 18.1% | 44.5% | 44.1% | 34.8% |
| Change | −1.5 pts | +0.8 pts | +1.5 pts | +1.5 pts |
Brentwood is largely a place of homeowners: only 18.1% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 21.4% have no mortgage at all, well below the national share of 39.8%. The renter share is down 1.5 points from 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 Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.4% | 8.6% | 8.7% | 11.4% |
| 2010–14 | 5.7% | 7.1% | 8.1% | 11.4% |
| 2015–19 | 4.8% | 6.5% | 7.5% | 11.1% |
| 2020–24 | 3.5% | 7.5% | 7.3% | 9.6% |
| Change | −4.9 pts | −1.1 pts | −1.4 pts | −1.8 pts |
Empty homes are scarce in Brentwood: just 3.5% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Vacancy is down 4.9 points from 2006–10, mirroring the country. Only 35 of the 689 California cities with 5,000+ people have a lower vacancy rate.
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 Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 1998 | 1964 | 1972 | 1974 |
| 2010–14 | 1998 | 1965 | 1973 | 1975 |
| 2015–19 | 2000 | 1966 | 1974 | 1977 |
| 2020–24 | 2002 | 1968 | 1976 | 1980 |
| Change | +4 | +4 | +4 | +6 |
Much of the housing in Brentwood is relatively new: half of its homes were built after 2002, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1998 in 2006–10, a sign of steady new building. The newest homes are mostly in the southwest, the oldest in the center. Of the 689 California cities with 5,000+ people, only 12 have newer homes.
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 Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,622 | $1,452 | $1,298 | $965 |
| 2010–14 | $1,703 | $1,551 | $1,379 | $1,040 |
| 2015–19 | $2,229 | $2,139 | $1,721 | $1,213 |
| 2020–24 | $2,751 | $2,666 | $2,229 | $1,571 |
| Change | +$1,130 | +$1,214 | +$931 | +$606 |
Rent in Brentwood runs $2,751 a month at the median, utilities included, well above the U.S. median of $1,571. Rent has climbed $1,130 a month since 2006–10, up 70%, faster than rents rose nationally. Rent takes 35.7% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched. The priciest rents are in the west; the most affordable are in the northeast.
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 Brentwood
Bachelor's degrees in Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 28.2% | 42.5% | 29.1% | 28.4% |
| 2010–14 | 28.4% | 44.1% | 30.1% | 29.6% |
| 2015–19 | 32.0% | 48.9% | 32.9% | 32.1% |
| 2020–24 | 38.7% | 52.2% | 36.3% | 35.6% |
| Change | +10.5 pts | +9.7 pts | +7.1 pts | +7.2 pts |
College degrees are a bit more common in Brentwood than nationally: 38.7% of adults 25 and older have a bachelor's or higher, against 35.6%. Even so, the share is lower than in the San Francisco area overall (52.2%). The share with a degree is up 10.5 points from 2006–10, in line with the national trend.
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 Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 88.2% | 86.8% | 79.9% | 84.9% |
| 2010–14 | 89.5% | 87.5% | 80.7% | 86.1% |
| 2015–19 | 92.4% | 88.8% | 82.6% | 87.7% |
| 2020–24 | 91.1% | 89.1% | 84.2% | 89.3% |
| Change | +2.9 pts | +2.3 pts | +4.3 pts | +4.3 pts |
High school completion in Brentwood is a bit above the national rate: 91.1% of adults have a diploma or equivalent, against 89.3%. Since 2006–10, the share with a diploma has risen 2.9 points, in line with the national trend.
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 Brentwood
| Period | Brentwood | San Francisco area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.5% | 7.8% | 9.2% | 8.1% |
| 2010–14 | 9.4% | 8.9% | 11.3% | 9.4% |
| 2015–19 | 6.9% | 4.6% | 6.3% | 5.6% |
| 2020–24 | 5.8% | 5.8% | 6.6% | 5.4% |
| Change | −1.6 pts | −2.0 pts | −2.6 pts | −2.7 pts |
Unemployment in Brentwood is close to the national rate: 5.8% of the labor force, against 5.4%. Unemployment is down 1.6 points from 2006–10, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).
Brentwood 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Brentwood | 3.20 | 40.7 | 10.4% | 18.1% | 3.5% | 2002 | $2,751 | 38.7% | 91.1% | 5.8% |
| Oakley | 3.33 | 37.6 | 10.2% | 20.9% | 4.2% | 1998 | $2,168 | 26.2% | 89.4% | 5.4% |
| Knightsen | 3.36 | 37.1 | 7.9% | 10.6% | 3.4% | 2004 | $2,414 | 25.0% | 84.3% | 10.9% |
| Antioch | 3.13 | 39.5 | 16.4% | 36.9% | 4.3% | 1984 | $2,625 | 24.0% | 85.1% | 7.5% |
| 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% |
| Bethel Island | 2.37 | 55.3 | 9.5% | 34.9% | 16.9% | 1970 | $1,908 | 18.2% | 68.4% | 35.6% |
| Bridgehead | 1.73 | 61.6 | 10.7% | 20.1% | 4.7% | 1983 | $1,250 | 10.0% | 92.1% | 10.5% |
| Clayton | 2.80 | 43.0 | 10.8% | 12.6% | 1.9% | 1981 | $3,111 | 55.5% | 98.3% | 5.9% |
| Pittsburg | 3.31 | 36.5 | 12.8% | 36.4% | 4.9% | 1985 | $2,347 | 23.9% | 81.6% | 8.1% |
| Holt | 1.84 | 37.8 | 11.2% | 87.8% | 27.4% | 1979 | $678 | 11.2% | 58.5% | 5.6% |
All figures 2020–24.
Cities with similar populations: Kenner, LA · Clermont, FL · Port Orchard, WA · Gilroy, CA · Powder Springs, GA · Lorain, OH · South San Francisco, CA · Shawnee, KS · Easley, SC · San Pablo, CA
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 Brentwood. 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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