Monroe -- U.S. County in Wisconsin Population (2000): 40899 Housing Units (2000): 16672 Land area (2000): 900.766577 sq. miles (2332.974625 sq. km) Water area (2000): 7.524697 sq. miles (19.488875 sq. km) Total area (2000): 908.291274 sq. miles (2352.463500 sq. km) Located within: Wisconsin (WI), FIPS 55 Location: 43.939355 N, 90.591133 W Headwords: Monroe Monroe, WI Monroe County Monroe County, WI