[2] Located in King William is the oldest courthouse in continuous use in the United States, built in 1725.

According to the U.S. Census Bureau, the CDP has an area of 4.6 square miles (11.9 km2), of which 0.4 acres (1,588 m2), or 0.01%, are water.

King William is 2 miles (3 km) south of Horse Landing, a small community on the tidal Mattaponi River.

The chiefs Wahunsonacock and Opechancanough are buried on the Pamunkey Indian Reservation near railroad tracks.

This King William County, Virginia state location article is a stub.