South Elgin, Illinois, United States [Village]; population was 7,474 in 1990; housing units was 2,503 in 1990; location is 41°60'N 88°18'W; land area is 2.77 square miles (1,774 acres); water area is 0.12 square miles (79 acres); FIPS code is 70720 [SourceCBP]