where is downtown of grayslake
Grayslake, IL. Online Offers. Grayslake is a village in Lake County in the U.S. state of Illinois. It is located in the Chicago metropolitan area, about 40 miles (64 km) north of Chicagoâs downtown, 14 miles (23 km) west of Lake Michigan, and 15 miles (24 km) south of the Wisconsin border. The village's population at the 2000 census was 18,506.