Neighborhood Description Arlington Heights is a village in Cook County in the U.S. state of Illinois. A suburb of Chicago, it lies about 25 miles northwest of the city's downtown. Arlington Heights is known for Arlington Park Race Track, home of the Arlington Million, a Breeders' Cup qualifying event; also hosted the Breeders' Cup Classic in 2002. It is also home to the Arlington Heights Memorial Library, which has one of the largest collections in the state, as well as the Metropolis Performing Arts Centre, Saint Viator High School, John Hersey High School, South Middle School, and Thomas Middle School. Neighborhood Links Neighborhood Council Community Center Chamber of Commerce History of Other Resources in Hospitals Post Office Schools Grocery Stores Cool Places to Eat