One of them, David Lloyd, who was a friend of William Penn, sold large and small lots from the thousands he owned.

Because the land was hilly, the Welshmen call the area Uwchlan(in Welsh pronounced Iwchlan.

[5] According to the United States Census Bureau, the township has a total area of 10.4 square miles (27 km2), all land.

Uwchlan Township is home to six schools of the Downingtown Area School District:[10] Zoned elementary schools serving sections of the township include Shamona Creek, Uwchlan, Lionville, Pickering Valley (in Upper Uwchlan Township), and East Ward (in Downingtown Borough).

[13] The most prominent road serving Uwchlan Township is the Pennsylvania Turnpike (I-76).

Exit 312 of the Turnpike connects it to Pennsylvania Route 100 (Pottstown Pike), which runs from the southeast near Exton in West Whiteland Township to the northwest, near Eagle in Upper Uwchlan Township.

Route 113 is a two-lane highway from East Caln Township to Peck Road, at which point it becomes a four-lane highway (with a center turn lane) all the way to West Pikeland Township.