Bryn Mawr is a census-designated place (CDP) in Radnor Township, Delaware County, Pennsylvania, Haverford Township, Delaware County, Pennsylvania and Lower Merion Township, Montgomery County, Pennsylvania, just west of Philadelphia along Lancaster Avenue (US-30) and the border with Delaware County. Bryn Mawr is located toward the center of what is known as the Main Line, a group of affluent Philadelphia suburbs stretching from the city limits to Malvern.
The “Bryn Mawr” zip code (19010) covers a larger area, and as a result, the geographic term “Bryn Mawr” is often used in a sense that includes not only the CDP, but also other areas that share the zip code. These other areas include the community of Rosemont within Lower Merion Township and Radnor Township, and various other areas within Lower Merion Township, Radnor Township, and Haverford Township. Bryn Mawr is a part of the Philadelphia Main Line, a string of picturesque towns located along a rail road that leads to downtown Philadelphia. Other towns include, Lower Merion, Radnor, Villanova. As of the 2000 Census, the Bryn Mawr ZIP code was home to 21,485 people with a median family income of $110,956.
Bryn Mawr residents of Lower Merion Township attend schools in the Lower Merion School District; all residents of the Bryn Mawr CDP are in Lower Merion Township and therefore attend LMSD schools. Bryn Mawr address residents of Radnor Township attend schools in the Radnor Township School District; Radnor High School is the district’s sole high school. Bryn Mawr address residents of Haverford Township attend schools in the School District of Haverford Township; Haverford High School is the district’s sole high school.