Fogelsville is a village in Lehigh County, Pennsylvania, in the United States. It is a suburb of Allentown, in Upper Macungie Township, in the Lehigh Valley region of the state.Fogelsville is named after Judge John Fogel, who built the first building in the area, a hotel, in 1798.Fogelsville surrounds a number of large industrial parks and corporate centers. The town is known as a large regional trucking hub.Major roads servicing Fogelsville include Interstate 78 and Pennsylvania Route 100. These two roads intersect in a cloverleaf, which is one of the busiest in the western Lehigh Valley.While the village of Fogelsville can be found at ZIP code 18051, immediately surrounding areas to the east and south use the Allentown ZIP code of 18106 or the Breinigsville ZIP code of 18031, respectively. Downtown is located at approximately 40° 34′ 59.45″ N, 75° 37′ 57.37″ W. The 1990 census reported a population of 900, although a more recent estimate places the population at about 3200.