Whitemarsh Township is a Home rule municipality in Montgomery County, Pennsylvania. It retains its former classification of "Township" in its official name despite being a home rule municipality. The population was 17,349 at the 2010 census. Whitemarsh is adjacent to the neighborhood of Andorra in the Roxborough section of Philadelphia, and is bordered in Montgomery County by Springfield, Upper Dublin, Whitpain, and Plymouth townships, and by Conshohocken Borough. It is also bordered by the Schuylkill River, which separates it from Lower Merion Township. Communities within Whitemarsh Township include: Barren Hill; Lafayette Hill; part of Miquon, which straddles Whitemarsh and Springfield townships, Spring Mill; part of Plymouth Meeting (which straddles Whitemarsh and Plymouth townships); a