Round Lake, Illinois, is a village located in Lake County, approximately 50 miles northwest of Chicago. It is part of the Chicago metropolitan area and is known for its scenic lakes and parks. The village covers an area of about 4.5 square miles and has a population of around 18,000 residents. Founded in the late 19th century, Round Lake has grown significantly over the years. The community offers various recreational activities, including boating and fishing on Round Lake, as well as access to local trails and nature preserves. The village also features a mix of residential neighborhoods and commercial areas, contributing to its vibrant atmosphere.