Passage: According to the U.S. Census Bureau, the county has a total area of 436 square miles (1,130 km2), of which 431 square miles (1,120 km2) is land and 5.0 square miles (13 km2) (1.2%) is water. It is the fifth-smallest county in Wisconsin by total area.

Question: what is the area of the county?
436 square miles