Metropolitan statistical area The U.S. Office of Management and Budget has designated Lancaster County as the Lancaster, PA Metropolitan Statistical Area. With a population of 552,984 as of the 2020 U.S. census, the Lancaster, PA metropolitan area is the sixth most populous metropolitan area in Pennsylvania, after the Delaware Valley, Greater Pittsburgh, the Lehigh Valley, the Harrisburg–Carlisle metropolitan statistical area, and the Wyoming Valley.
metropolitan statistical area the us office of management and budget has designated lancaster county as the lancaster pa metropolitan statistical area with a population of 552984 as of the 2020 us census the lancaster pa metropolitan area is the sixth most populous metropolitan area in pennsylvania after the delaware valley greater pittsburgh the lehigh valley the harrisburg–carlisle metropolitan statistical area and the wyoming valley