West Newton, located 24.5 miles (53 km) southeast of Pittsburgh, is a borough in Westmoreland County in the U.S. state of Pennsylvania. Formerly, the manufacture of radiators and boilers were the chief industries. In 1900, the people living there numbered 2,467. In 1910, 2,880 people lived there. The population was 3,083 at the 2000 census.