The main building at Rosemont College.
|Townships||Radnor, Lower Merion|
|Elevation||341 ft (103.9 m)|
|- summer (DST)||EDT (UTC-4)|
Part of the geographic area is served by the Bryn Mawr, Pennsylvania, ZIP code. Rosemont is served by its own stops on both the Paoli/Thorndale Line of SEPTA Regional Rail and the Norristown High Speed Line.
The community of Garrett Hill is in Radnor Township and in the Rosemont section.
Rosemont is the town used by soap opera creator and writer Agnes Nixon as a model for the fictional town of Pine Valley, Pennsylvania, the setting for the popular daytime drama All My Children, which debuted on ABC in 1970.
Primary and secondary schools 
Public schools 
Pupils living in the Radnor Township portion of Rosemont attend schools in Radnor Township School District, while students in the Lower Merion Township portion attend schools in the Lower Merion School District.
Until 1980, the Radnor Township, Delaware County portion of the community was served by Rosemont Elementary School, located in the Garret Hill neighborhood of the town. The Rosemont Business Campus now stands on the former elementary school site. Children in these neighborhoods are now bused to the Radnor Elementary School.
Private schools 
Rosemont School of the Holy Child, located in Rosemont and in Lower Merion Township, is affiliated with but not governed by the Roman Catholic Archdiocese of Philadelphia. The school is adjacent to Rosemont College.
The Roman Catholic Saint Thomas of Villanova Parish run by the Augustinian Order also ran a parochial school, which closed in the 1980s, adjacent to their Rosemont chapel and serving the Rosemont community.
Colleges and universities 
Rosemont College is in Rosemont on Montgomery Avenue at Curwen Road.