South Burlington, Vermont, United States [City]; population was 12,809 in 1990; housing units was 5,437 in 1990; location is 44°27'N 73°13'W; land area is 16.62 square miles (10,640 acres); water area is 13.03 square miles (8,337 acres); FIPS code is 66175 [SourceCBP]