where is pottstown, pa?
Pottstown, PA. Sponsored Topics. Pottstown is a borough in Montgomery County, Pennsylvania, United States 40 miles (64 km) northwest of Philadelphia and 18 miles (29 km) southeast of Reading, on the Schuylkill River. Pottstown was laid out in 1752â53 and named Pottsgrove in honor of its founder, John Potts.