Harrisburg–Carlisle metropolitan statistical area

Harrisburg–Carlisle, Pennsylvania MSA
Susquehanna Valley
Clockwise from top left: Harrisburg, Carlisle, and Hershey
Interactive Map of Harrisburg–York–Lebanon
Combined Statistical Area
Country United States
State Pennsylvania
Principal citiesHarrisburg
Carlisle
Area
1,656 sq mi (4,290 km2)
Population
 (2010 est.)
  Urban
444,474 (87th)
  MSA
549,475 (98th)
  CSA
1,271,801 (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 Delaware Valley, Greater Pittsburgh, and the Lehigh Valley.

Since 2012, it has been defined as part of the Harrisburg–York–Lebanon combined statistical area, which also includes York, Lebanon, and Adams counties.