Harrisburg–Carlisle metropolitan area

Metropolitan Statistical Area in Pennsylvania, United StatesHarrisburg–Carlisle, Pennsylvania MSA Susquehanna ValleyMetropolitan Statistical AreaClockwise from top left: Harrisburg, Carlisle, and HersheyInteractive Map of Harrisburg–York–LebanonCombined Statistical Area Harrisburg–Carlisle, PA MSA Lebanon, PA MSA Gettysburg, PA MSA York–Hanover, PA MSA Country United StatesState PennsylvaniaPrincipal citiesHarrisburgCarlisleArea • Metropolitan Statistical Area1,656 sq mi (4,290 km2)Population (2010 est.) • Urban444,474 (87th) • MSA549,475 (98th) • CSA1,271,801 (46th)GDP • MSA$47.815 billion (2022)Time zoneUTC-5 (ET) • Summer (DST)UTC-4 (EDT) The Harrisburg–Carlisle metropolitan statistical area, officially the Harrisburg–Carlisle, PA Metropolitan Statistical Area, and also referred to as the Susquehanna Valley, is defined by the Office of Management and Budget as an area consisting of three counties in South Central Pennsylvania, anchored by the cities of Harrisburg and Carlisle. As of the 2020 census, the metropolitan statistical area (MSA) had a population of 591,712, making it the fourth-most-populous metropolitan area in Pennsylvania, after the Philade