Lake Wylie, South Carolina, United States [CDP]; population was 2,599 in 1990; housing units was 1,308 in 1990; location is 35°7'N 81°3'W; land area is 3.48 square miles (2,225 acres); water area is 1.26 square miles (807 acres); FIPS code is 39785 [SourceCBP]