Brentwood is a hamlet (and census-designated place) located in Suffolk County, New York on Long Island. As of the 2000 census, the CDP had a total population of 53,917.



Brentwood is in the Town of Islip.



Geography



Brentwood is located at 40°46'54" North, 73°14'39" West (40.781805, -73.244060)GR1.



According to the United States Census Bureau, the CDP has a total area of 26.1 km² (10.1 mi²). 26.1 km² (10.1 mi²) of it is land and none of the area is covered with water.





Demographics



As of the censusGR2 of 2000, there were 53,917 people, 12,580 households, and 10,894 families residing in the CDP. The population density was 2,069.3/km² (5,357.3/mi²). There were 13,039 housing units at an average density of 500.4/km² (1,295.6/mi²). The racial makeup of the CDP was 47.73% White, 18.06% African American, 0.57% Native American, 2.01% Asian, 0.11% Pacific Islander, 25.44% from other races, and 6.07% from two or more races. 54.25% of the population were Hispanic or Latino of any race.



There were 12,580 households out of which 46.6% had children under the age of 18 living with them, 61.2% were married couples living together, 17.4% had a female householder with no husband present, and 13.4% were non-families. 9.5% of all households were made up of individuals and 4.4% had someone living alone who was 65 years of age or older. The average household size was 4.23 and the average family size was 4.19.



In the CDP the population was spread out with 29.9% under the age of 18, 10.6% from 18 to 24, 32.8% from 25 to 44, 18.5% from 45 to 64, and 8.2% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 100.2 males. For every 100 females age 18 and over, there were 97.5 males.



The median income for a household in the CDP was $59,208, and the median income for a family was $57,047. Males had a median income of $31,022 versus $25,946 for females. The per capita income for the CDP was $15,833. 11.3% of the population and 7.5% of families were below the poverty line. 13.7% of those under the age of 18 and 10.6% of those 65 and older were living below the poverty line.