Mukwonago, Wisconsin, United States [Village]; population was 4,457 in 1990; housing units was 1,643 in 1990; location is 42°52'N 88°20'W; land area is 2.48 square miles (1,590 acres); water area is 0.06 square miles (41 acres); FIPS code is 55050 [SourceCBP]