The growth of the City Line Avenue area began in the early 1930s and is recognized today as one of the region's premier commercial, office and upscale retail centers. Lower Merion today remains one of the wealthiest communities in all of Pennsylvania. The entire township is serviced by public water facilities. The entire township has access to sewer facilities, except for the northern portion along the Schuylkill River. A full-time police force serves the residents.
Fire protection is provided by volunteer companies.
Residential trash disposal is provided by the township. A full-time recreation director is employed by the township. Lower Merion has an extensive network of parks, open space, fitness trails, and more. Little League programs are run by private organizations, but use township facilities. Lower Merion has one of the most elaborate recreation programs of any municipality in Montgomery County.