Radnor Township is an upper-class township with home rule status in Delaware County, Pennsylvania. It contains the unincorporated communities of Garrett Hill, Rosemont, St. Davids, Strafford, Villanova and Wayne as well as areas with Bryn Mawr postal addresses (not within the Bryn Mawr census designated place) and Newtown Square. As of the 2010 census, the township population was 31,531. Radnor Township lies along the Main Line, a collection of upper-middle class and upper-class Philadelphia suburbs.