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 one of the three communities that make up the so-called "Tri Village" area, along with Bartlett and Hanover Park. Streamwood was first incorporated as a village on February 9, 1957.
A major retail sector has developed in recent years at the intersection of Illinois Route 59 and Illinois Route 19 called Sutton Park, which includes the Sutton Park Shopping Center.
Streamwood is located at 42°1′14″N 88°10′24″W (42.020627, -88.173409).
According to the 2010 census, Streamwood has a total area of 7.854 square miles (20.34 km2), of which 7.82 square miles (20.25 km2) (or 99.57%) is land and 0.034 square miles (0.09 km2) (or 0.43%) is water.
At the 2010 census, there were 39,858 people, 13,034 households, and 9,945 families living 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.