Lancaster is a city in South Central Pennsylvania, that serves as the seat of Pennsylvania's Lancaster County and is one of the oldest inland towns in the United States. With a population at the 2010 census of 59,322, it ranks eighth in population among Pennsylvania's cities. The Lancaster metropolitan area population is 507,766, making it the 104th-largest metropolitan area in the U.S. and second-largest in the South Central Pennsylvania area.
The city's primary industries include healthcare, tourism, public administration, manufacturing, and both professional and semi-professional services. Lancaster is best known for being the hub of Pennsylvania's Amish Country. Lancaster was home to James Buchanan, the nation's 15th president, and to congressman and abolitionist Thaddeus Stevens.