Westlake Village is a census-designated place in Winnebago County, Illinois, United States. It is in the western part of the county, in the southeast part of Pecatonica Township, with a small portion extending east into Burritt Township. It is built around a golf course and a small reservoir on Coolidge Creek. It is 5 miles northwest of the village of Winnebago and 11 miles west-northwest of the city of Rockford. Westlake Village was first listed as a CDP prior to the 2020 census.