Streamwood is a village in Cook County, Illinois, United States. The population was 39,858 at the 2010 census. It is a northwest suburb of Chicago, and is a part of the Chicago metropolitan area.
Streamwood is located at 42°1′14″N 88°10′24″W / 42.02056°N 88.17333°W / 42.02056; -88.17333 (42.020627, -88.173409).
According to the 2010 census, Streamwood has a total area of 7.854 square miles (20.34 km), of which 7.82 square miles (20.25 km) (or 99.57%) is land and 0.034 square miles (0.09 km) (or 0.43%) is water.
As of the census of 2010, there were 39,858 people, 13,034 households, and 9,945 families residing in the village. The population density was 5,096.9 people per square mile (1,963.4/km²). There were 13,629 housing units, at an average density of 1,742.8 per square mile (671.4/km²). The racial makeup of the village was 66.0% White, 4.5% African American, 0.9% Native American, 15.0% Asian, 0.04% Pacific Islander, 10.6% some other race, and 3.0% from two or more races. Hispanic or Latino of any race were 28.2% of the population.
There were 13,034 households, out of which 41.6% had children under the age of 18 living with them, 60.7% were headed by married couples living together, 10.6% had a female householder with no husband present, and 23.7% were non-families. 18.7% of all households were made up of individuals, and 4.6% were someone living alone who was 65 years of age or older. The average household size was 3.04 and the average family size was 3.49.
In the village, the population was spread out with 26.3% under the age of 18, 8.0% from 18 to 24, 32.0% from 25 to 44, 25.6% from 45 to 64, and 8.0% who were 65 years of age or older. The median age was 35.4 years. For every 100 females, there were 98.3 males. For every 100 females age 18 and over, there were 95.9 males.
From 2009-2011, the estimated median annual income for a household in the village was $71,300, and the median income for a family was $80,608. Male full-time workers had a median income of $46,338 versus $39,956 for females. The per capita income for the village was $27,788. About 2.0% of families and 3.9% of the population were below the poverty line, including 4.0% of those under age 18 and 13.3% of those age 65 or over.
In 2011, 5,978 (15.0%) of Streamwood’s residents were Asian, making it the Chicago suburb with the ninth highest percentage of Asians. From 2001 to 2011 the Asian population increased by 90%. A mosque opened in Streamwood in 2004.