Lansdale is a borough located in Montgomery County, Pennsylvania, within the United States. It serves as a densely populated commuter town for residents who travel daily to Philadelphia via the SEPTA Regional Rail's Lansdale/Doylestown Line.
The population of the borough has seen significant growth over the last century. In 1900, there were 2,754 inhabitants, which rose to 3,551 by 1910 and reached 9,316 by 1940. According to the 2020 census, the population was recorded at 18,773.