Allen Township, Pennsylvania

Allen Township is a township in Northampton County, Pennsylvania. The population of Allen Township was 4,269 at the 2010 census. Allen Township is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.
  • Elevation: 410 ft (120 m)
  • Country: United States
  • State: Pennsylvania
  • County: Northampton
  • Area code(s): 610
  • FIPS code: 42-095-00948
  • Primary airport: Lehigh Valley International Airport
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