Fogelsville is an unincorporated area in Lehigh County, Pennsylvania. It is a suburb of Allentown, in Upper Macungie Township, and is part of the Lehigh Valley, which has a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census. Fogelsville is named after Judge John Fogel, who built the first building in the area, a hotel, in 1798. The village surrounds a number of large industrial parks and corporate centers.