Williamsburg is a village in Sierra County, New Mexico, United States. The population was 527 at the 2000 census. The village, though small, is located conveniently adjacent to Truth or Consequences, and has essentially become a suburb. Though the town is experiencing moderate growth now, especially along I-25, in the near future there is a high possibility of its becoming a booming bedroom community for lakesiders from Elephant Butte.
Williamsburg is located at 33°07′00″N 107°17′33″W / 33.116591°N 107.292503°W / 33.116591; -107.292503.
According to the United States Census Bureau, the village has a total area of 0.5 square miles (1.2 km2), all of it land.