'Lafayette County, WI' definitions:

Lafayette -- U.S. County in Wisconsin

From: Gazetteer 2000
Name :
Lafayette -- U.S. County in Wisconsin
Population (2000) :
16137
Housing Units (2000) :
6674
Land area (2000) :
633.567796 sq. miles (1640.932988 sq. km)
Water area (2000) :
0.996521 sq. miles (2.580978 sq. km)
Total area (2000) :
634.564317 sq. miles (1643.513966 sq. km)
Located within :
Wisconsin (WI), FIPS 55
Location :
42.656111 N, 90.130924 W