Pottstown is a borough in Montgomery County, Pennsylvania, United States. Pottstown was laid out in 1752–53 and named Pottsgrove in honor of its founder, John Potts. The old name was abandoned at the time of the incorporation as a borough in 1815. In 1888, the limits of the borough were considerably extended. Pottstown is the center of a productive farming and dairying region. As of the 2020 census, Pottstown had a population of 23,433.