Crestwood is a village in Cook County, Illinois, United States. The population was 11,251 at the 2000 census. In April 2009 the Chicago Tribune reported that for 20 years the city had been drawing its drinking water from a well that was contaminated with toxic chemicals.
According to the United States Census Bureau, the village has a total area of 3.1 square miles (8.1 km²), of which, 3.1 square miles (7.9 km²) of it is land and 0.1 square miles (0.1 km²) of it (1.61%) is water.
As of the 2000 census, there were 11,251 people, 4,685 households, and 2,759 families residing in the village. The population density was 3,682.3 people per square mile (1,419.6/km²). There were 4,805 housing units at an average density of 1,572.6 per square mile (606.3/km²). The racial makeup of the village was 92.46% White, 4.52% African American, 0.12% Native American, 0.73% Asian, 1.04% from other races, and 1.13% from two or more races. Hispanic or Latino of any race were 3.68% of the population.