2900 South Pike Avenue (Route 145) Located in Lehigh County, PA off of Interstate route 78 East, Summit Lawn exit 59 or 78 West the Allentown/South Fourth Street exit (also S. Pike Avenue and Route 145). Adjacent to the City of Allentown, and the Boroughs of Emmaus and Fountain Hill and the Township of Upper Saucon Size of Township: 11.3 square miles 77 miles of road Population of Township: 13,498 per 2000 U.S. Census