There are four sections to the city: central Bethlehem, the south side, the east side, and the west side. Bethlehem borders Allentown to its west and is 48 miles (77 km) north of Philadelphia and 72 miles (116 km) west of New York City.
Smaller than Allentown but larger than Easton, Bethlehem is the Lehigh Valley's second-most populous city. The city is located along the Lehigh River, a 109-mile-long (175 km) tributary of the Delaware River.īethlehem lies in the geographic center of the Lehigh Valley, a metropolitan region of 731 sq mi (1,890 km 2) 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.
It is the eighth-most populous city in the state. Among its total population as of 2020, 55,639 were in Northampton County and 19,343 were in Lehigh County. As of the 2020 census, Bethlehem had a total population of 75,781. Bethlehem is a city in Northampton and Lehigh Counties in the Lehigh Valley region of eastern Pennsylvania, United States.
