Candlewick Lake is an unincorporated, gated community in Boone County, Illinois, United States. Candlewick Lake is located between Poplar Grove and Timberlane; the community includes a lake with the same name. It is part of the Rockford, Illinois Metropolitan Statistical Area. As of the 2020 census, Candlewick Lake had a population of 5,115.
Water source provided by Aqua Illinois privatized water corporation.
Most of it is in the Belvidere Consolidated Unit School District 100, while a portion is in the North Boone Community Unit School District 200.