Bethlehem, Pennsylvania
Bethlehem is a city in Northampton and Lehigh Counties in the Lehigh Valley region of eastern Pennsylvania, United States. As of the 2020 census, Bethlehem had a total population of 75,781. Among its total population as of 2020, 55,639 were in Northampton County and 19,343 were in Lehigh County. It is Pennsylvania's seventh-most populous city. The city is located along the Lehigh River, a tributary of the Delaware River. Bethlehem lies in the geographic center of the Lehigh Valley, a metropolitan region of with a population of 861,899 people as of the 2020 census that is Pennsylvania's third-most populous metropolitan area and the 68th-most populated metropolitan area in the U.S. Smaller than Allentown but larger than Easton, Bethlehem is the Lehigh Valley's second-most populous city. Bethlehem borders Allentown to its west and is north of Philadelphia and west of New York City. There are four sections to the city: central Bethlehem, the south side, the east side, and the west side. Each of these sections blossomed at different times in the city's development and each contains areas recognized under the National Register of Historic Places. Norfolk Southern Railway's Lehigh Line, formerly the main line of the Lehigh Valley Railroad, runs