Arlington Heights is a village in Cook County in the U.S. state of Illinois. A suburb of Chicago, it lies about 25 miles (40 km) northwest of the city's downtown.[1] The population was 77,676 at the 2020 census.[2] It is the largest village in the United States.
Former: Evanston • Hyde Park • Jefferson • Lake • Lake View • North Chicago • Rogers Park • South Chicago • West Chicago