
Lansdale
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 2.993
- State:
- Pennsylvania
Lansdale is a borough located in Montgomery County, Pennsylvania. Lansdale has a 2025 population of 19,074. Lansdale is currently growing at a rate of 0.25% annually and its population has increased by 1.28% since the most recent census, which recorded a population of 18,833 in 2020.
The average household income in Lansdale is $111,270 with a poverty rate of 9.52%. The median age in Lansdale is 37.8 years: 38 years for males, and 37.6 years for females.