Brentwood is an inner-ring suburb of St. Louis, located in St. Louis County, Missouri, United States. The population was 8,055 at the 2010 census. Brentwood is home to Brentwood High School.
Brentwood is located at 38°37′9″N 90°20′55″W / 38.61917°N 90.34861°W / 38.61917; -90.34861 (38.619102, -90.348715).
According to the United States Census Bureau, the city has a total area of 1.96 square miles (5.08 km), all land.
As of the census of 2010, there were 8,055 people, 4,136 households, and 1,832 families residing in the city. The population density was 4,109.7 inhabitants per square mile (1,586.8/km). There were 4,410 housing units at an average density of 2,250.0 per square mile (868.7/km). The racial makeup of the city was 87.5% White, 3.1% African American, 0.1% Native American, 6.8% Asian, 0.6% from other races, and 1.9% from two or more races. Hispanic or Latino of any race were 2.8% of the population.
There were 4,136 households of which 20.8% had children under the age of 18 living with them, 33.6% were married couples living together, 8.0% had a female householder with no husband present, 2.8% had a male householder with no wife present, and 55.7% were non-families. 46.1% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older. The average household size was 1.94 and the average family size was 2.86.
The median age in the city was 35 years. 18.4% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 37.4% were from 25 to 44; 24% were from 45 to 64; and 12.4% were 65 years of age or older. The gender makeup of the city was 46.1% male and 53.9% female.
As of the census of 2000, there were 7,693 people, 3,929 households, and 1,775 families residing in the city. The population density was 3,948.4 people per square mile (1,523.2/km²). There were 4,088 housing units at an average density of 2,098.1 per square mile (809.4/km²). The racial makeup of the city was 92.68% White, 1.81% African American, 0.19% Native American, 3.48% Asian, 0.32% from other races, .0278 Hispanic or Latino of any race were 1.73% of the population.
There were 3,929 households out of which 19.7% had children under the age of 18 living with them, 35.3% were married couples living together, 7.8% had a female householder with no husband present, and 54.8% were non-families. 46.5% of all households were made up of individuals and 11.2% had someone living alone who was 65 years of age or older. The average household size was 1.96 and the average family size was 2.88.
In the city the population was spread out with 19.2% under the age of 18, 7.2% from 18 to 24, 40.2% from 25 to 44, 19.0% from 45 to 64, and 14.4% who were 65 years of age or older. The median age was 36 years.
The median income for a household in the city was $60,643, and the median income for a family was $63,311. Males had a median income of $47,113 versus $38,924 for females. The per capita income for the city was $30,645. About 3.4% of families and 5.5% of the population were below the poverty line, including 5.7% of those under age 18 and 7.7% of those age 65 or over.