Flourtown is a census-designated place (CDP) in Montgomery County, Pennsylvania, United States, with a ZIP code of 19031. Flourtown is adjacent to the Philadelphia neighborhoods of West Oak Lane, Mt. Airy, and Chestnut Hill. The population of Flourtown was 4,538 at the 2010 census.
An ample flow of water found in Wissahickon Creek and its tributaries supported at least three local mills. It was from this industry that Flourtown took its name.
Flourtown is located at 40°6′19″N 75°12′27″W / 40.10528°N 75.2075°W / 40.10528; -75.2075 (40.105377, -75.207524).