Exton is a census-designated place (CDP) in West Whiteland Township in Chester County, Pennsylvania, United States.

The campus of the learned society was built overlooking farmland on Newcomen Road, and featured offices, a printing shop, library and museum, guest houses, a chapel and a belltower with a carillon.

The Newcomen Society (since dissolved) sold the property in the late 1990s, but its campus remains an Exton landmark serving as the headquarters of another business.

According to the U.S. Census Bureau, the CDP has a total area of 3.2 square miles (8.3 km2), all land.

[3] As of the 2020 U.S. census, the racial makeup of the CDP was 62.5% White non-Hispanic, 3.8% Black of African American, 31.5% Asian, 0.9% two or more races, and 1.3% were Hispanic or Latino.

[8] The opening of the Exton Square Mall led to rapid growth in West Whiteland Township, with the population increasing from 7,900 in 1973 to over 16,000 by 2000.

[9] When the Exton Square Mall first opened, several stores in downtown West Chester closed.

The main location of the Chester County Library System is accessible from the mall.

[19] Both Widener University and the Delaware County Community College operate in Exton in the Whiteland Business Park.

The station serves as a hub for transfers between SEPTA Routes 135 and 204 with service to West Chester, Coatesville, Paoli and Eagleview.