Salisbury Township is a township in Lehigh County, Pennsylvania. The township's population was 13,505 at the 2010 census. The township borders Allentown (Pennsylvania's third largest city), Bethlehem, and Emmaus, in the Lehigh Valley, which had a population of 861,899 and was the 68th most populous metropolitan area in the U.S. as of the 2020 census.