Glenside is most notable for its entertainment, including Keswick Theatre, restaurants, recreational facilities, and parks.

Glenside is located approximately eleven miles from Center City Philadelphia.

[3] The Glenside Fire Company was established in 1900, and firefighting equipment was stored in a building until a firehouse was erected in 1907.

[5] In the early 1900s, Glenside had a "thriving business district" along Easton Road.

[3] According to the U.S. Census Bureau, Glenside has a total area of 1.3 square miles (3.4 km2), all land.

[6] As of the 2020 census, the CDP was 91.0% White, 5.3% Black or African American, 1.0% Asian, and 1.6% were two or more races.

28.8% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older.

The annual Independence Day parade held in Glenside was founded in 1904.

[12] Saint Luke Catholic School in Glenside is a parochial school, part of St. Luke The Evangelist Roman Catholic Church, with approximately 315 students in 2019.