Lancaster is a city located in South Central Pennsylvania which serves as the seat of Pennsylvania's Lancaster County and one of the oldest inland towns in the United States. With a population of 59,322, it ranks eighth in population among Pennsylvania's cities. The Lancaster metropolitan area population is 507,766, making it the 101st 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 hosts more electronic public CCTV outdoor cameras per capita than cities such as Boston or San Francisco, despite controversy among residents. Lancaster was home to James Buchanan, the nation's 15th president, and to congressman and abolitionist Thaddeus Stevens.