Brodhead is a city in Green and Rock Counties in the U.S. state of Wisconsin. The population was 3,180 at the 2000 census. In February 2000, the city annexed a portion of land from the Town of Spring Valley in Rock County.
Just south of town is a historic marker for the Half-Way Tree, a bur oak supposedly identified by Native Americans as the halfway point on a foot trail between Lake Michigan and the Mississippi River.
Brodhead is located at 42°37′7″N 89°22′35″W / 42.61861°N 89.37639°W / 42.61861; -89.37639 (42.618540, -89.376291).