Gages Lake, Illinois, United States [CDP]; population was 8,349 in 1990; housing units was 2,948 in 1990; location is 42°21'N 87°59'W; land area is 3.04 square miles (1,943 acres); water area is 0.25 square miles (159 acres); FIPS code is 28248 [SourceCBP]