Lake Wisconsin, Wisconsin, United States [CDP]; population was 2,268 in 1990; housing units was 1,652 in 1990; location is 43°22'N 89°35'W; land area is 12.67 square miles (8,110 acres); water area is 8.95 square miles (5,725 acres); FIPS code is 42012 [SourceCBP]