A number of Main Line suburbs are located in Lower Merion, west of Philadelphia, the sixth largest city in the United States as of 2020.

The Electronic Frontier Foundation (EFF) and the American Civil Liberties Union (ACLU) filed an amicus brief in support of the student.

In 2012, the Federal Highway Administration modified the Manual on Uniform Traffic Control Devices in a way that would have required the replacement of Lower Merion Township's historic street signs, some of which date back to the early 1910s.

After some campaigning by local residents and by Senator Pat Toomey, the Lower Merion Board of Commissioners declared, via an ordinance, the entire Lower Merion as a historic district and received a waiver from Secretary of Transportation Ray LaHood.

The borough of Narberth, a separate political entity of one-half square mile, is completely surrounded by the township.

City Avenue begins at the Schuylkill Expressway/I-76, where it also becomes US Route 1, and between this area south to Bala Cynwyd is sometimes referred to as the Golden Mile.

[9][10] Many buildings, including the radio and television studios of Philadelphia's NBC and ABC affiliates, PCOM, and the Fox and Germantown Savings Bank towers, line the avenue beside newer office complexes, shopping centers, and restaurants.

Situated behind a lot of these spaces are condos and townhomes; several well-known residences are 191 Presidential, Corinthian Condominium and Sutton Terrace.

Before European settlement, Lower Merion's dense forest was home to bears, cougars, wolves, rattlesnakes, otters, beavers, weasels, turkeys, grouses, woodland bison, trout, and bald eagles.

After World War II, Lower Merion transformed from a farming township to a suburban area, and wildlife changed accordingly.

Today, red foxes, white-footed mice, horned owls, skunks, raccoons, crayfish, songbirds, butterflies, and white-tailed deer populate the township.

Finally, PA 23 follows Conshohocken State Road through the heart of Lower Merion Township.

The educational roots of the township stretch back to the Lower Merion Academy, one of the first public schools in the country.

The campus of Saint Joseph's University straddles the city line between Lower Merion and Philadelphia,[38] while Haverford College straddles the lines between Lower Merion and Haverford Townships.