Pennsylvania metropolitan areas explained

Pennsylvania has 14 U.S. Census Bureau-designated metropolitan statistical areas (MSAs) and four combined statistical areas (CSAs). As of 2020, Philadelphia, the seventh-largest United States metropolitan area, is the state's largest metropolitan area followed by Pittsburgh and Allentown.^[1]

Metropolitan statistical areas (MSAs)

The following sortable table lists the 18 MSAs of the Commonwealth of Pennsylvania, including:

1. The MSA rank by population as of July 1, 2020, as estimated by the United States Census Bureau^[2]
2. The MSA name as designated by the United States Office of Management and Budget^[3]
3. The MSA population as of April 1, 2020, as enumerated by the 2020 United States census^[1]
4. The MSA population as of April 1, 2010, as enumerated by the 2010 United States census^[1]
5. The percent MSA population change from April 1, 2010, to July 1, 2020^[1]
6. The combined statistical area (CSA)^[4] if the MSA is a component

The 18 "metropolitan statistical areas" of Pennsylvania

!Rank!Metropolitan statistical area!2020 Census!2010 Census!% Change!Encompassing combined statistical area

	Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA		Philadelphia-Reading-Camden, PA-NJ-DE-MD CSA
	Pittsburgh, PA MSA		Pittsburgh-New Castle-Weirton, PA-OH-WV CSA
	Allentown-Bethlehem-Easton, PA-NJ MSA
	Harrisburg-Carlisle, PA MSA		Harrisburg-York-Lebanon, PA CSA
	Scranton–Wilkes-Barre, PA MSA
	Lancaster, PA MSA
	York-Hanover, PA MSA		Harrisburg-York-Lebanon, PA CSA
	Reading, PA MSA		Philadelphia-Reading-Camden, PA-NJ-DE-MD CSA
	Erie, PA MSA		Erie-Meadville, PA CSA
	East Stroudsburg, PA MSA		New York-Newark, NY-NJ-CT-PA CSA
	State College, PA MSA		State College-DuBois, PA CSA
	Chambersburg-Waynesboro, PA MSA		Washington-Baltimore-Arlington, DC-MD-VA-WV-PA CSA
	Lebanon, PA MSA		Harrisburg-York-Lebanon, PA CSA
	Johnstown, PA MSA		Johnstown-Somerset, PA CSA
	Altoona, PA MSA
	Williamsport, PA MSA		Williamsport-Lock Haven, PA CSA
	Gettysburg, PA MSA		Harrisburg-York-Lebanon, PA CSA
	Bloomsburg-Berwick MSA		Bloomsburg-Berwick-Sunbury, PA CSA

Combined statistical areas (CSAs)

The following sortable table lists the combined statistical areas (CSAs) of the Commonwealth of Pennsylvania with the following information:

1. CSA rank by population as of July 1, 2020, as estimated by the United States Census Bureau^{[5] [6]}
2. The CSA name as designated by the United States Office of Management and Budget^[3]
3. The CSA population as of July 1, 2020, as estimated by the United States Census Bureau^[7]
4. CSA population as of April 1, 2010, as enumerated by the 2010 United States Census^[7]
5. Percent CSA population change from April 1, 2010, to July 1, 2020^[7]
6. Core Based Statistical Areas (CBSAs) that constitute the CSA^[3]

(Metropolitan Statistical Areas that are not combined with other MSAs or CBSAs are not also listed below.)

2020 Census!data-sort-type="number"

2010 Census	data-sort-type="number"	Change	Constituent Core Based Statistical Areas
	New York-Newark, NY-NJ-CT-PA Combined Statistical Area|New York-Newark, NY-NJ-CT-PA Combined Statistical Area		New York-Newark-Jersey City, NY-NJ-PA Metropolitan Statistical Area Bridgeport-Stamford-Norwalk, CT Metropolitan Statistical Area New Haven-Milford, CT Metropolitan Statistical Area Trenton-Princeton, NJ Metropolitan Statistical Area Torrington, CT Micropolitan Statistical Area Kingston, NY Metropolitan Statistical Area East Stroudsburg, PA Metropolitan Statistical Area
	Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area|Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area		Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area Baltimore-Columbia-Towson, MD Metropolitan Statistical Area Hagerstown-Martinsburg, MD-WV Metropolitan Statistical Area Chambersburg-Waynesboro, PA Metropolitan Statistical Area Winchester, VA-WV Metropolitan Statistical Area California-Lexington Park, MD Metropolitan Statistical Area Easton, MD Micropolitan Statistical Area Cambridge, MD Micropolitan Statistical Area
	Philadelphia-Reading-Camden, PA-NJ-DE-MD Combined Statistical Area|Philadelphia-Reading-Camden, PA-NJ-DE-MD Combined Statistical Area		Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area Reading, PA Metropolitan Statistical Area Atlantic City-Hammonton, NJ Metropolitan Statistical Area Dover, DE Metropolitan Statistical Area Vineland-Bridgeton, NJ Metropolitan Statistical Area Ocean City, NJ Metropolitan Statistical Area
	Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area		Pittsburgh, PA Metropolitan Statistical Area Weirton-Steubenville, WV-OH Metropolitan Statistical Area New Castle, PA Micropolitan Statistical Area Indiana, PA Micropolitan Statistical Area
	Harrisburg-York-Lebanon, PA Combined Statistical Area		Harrisburg–Carlisle metropolitan statistical area York-Hanover, PA Metropolitan Statistical Area Lebanon, PA Metropolitan Statistical Area Gettysburg, PA Metropolitan Statistical Area
	Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area|Youngstown-Warren-East Liverpool, OH-PA Combined Statistical Area		Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area Salem, OH Micropolitan Statistical Area
	Erie-Meadville, PA Combined Statistical Area		Erie, PA Metropolitan Statistical Area Meadville, PA Micropolitan Statistical Area
	Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area		Sunbury, PA Micropolitan Statistical Area Bloomsburg-Berwick, PA Metropolitan Statistical Area Lewisburg, PA Micropolitan Statistical Area Selinsgrove, PA Micropolitan Statistical Area
	State College-DuBois, PA Combined Statistical Area		State College, PA Metropolitan Statistical Area DuBois, PA Micropolitan Statistical Area
	Johnstown-Somerset, PA Combined Statistical Area		Johnstown, PA Metropolitan Statistical Area Somerset, PA Micropolitan Statistical Area
	Altoona-Huntingdon, PA Combined Statistical Area		Altoona, PA Metropolitan Statistical Area Huntingdon, PA Micropolitan Statistical Area
	Williamsport-Lock Haven, PA Combined Statistical Area		Williamsport, PA Metropolitan Statistical Area Lock Haven, PA Micropolitan Statistical Area

See also

• List of cities in Pennsylvania
• List of metropolitan statistical areas
• List of municipalities in Pennsylvania

Notes and References

1. Web site: Metropolitan and Micropolitan Statistical Areas Population Totals and Components of Change: 2010-2020 . United States Census Bureau, Population Division . April 2020 . May 20, 2021.
2. Web site: Metropolitan and Micropolitan Statistical Areas Population Totals and Components of Change: 2010-2020 . United States Census Bureau, Population Division . April 2020 . May 20, 2021.
3. Web site: OMB Bulletin No. 20-01: Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas. United States Office of Management and Budget. March 6, 2020. April 24, 2020.
4. The United States Office of Management and Budget (OMB) defines a CSA (CSA) as an aggregate of adjacent core-based statistical areas that are linked by commuting ties.
5. Web site: Annual Estimates of the Resident Population for Counties and County-Equivalents: April 1, 2010 to July 1, 2020. XLS. 2020 Population Estimates. United States Census Bureau, Population Division. April 2021. July 21, 2021.
6. Web site: Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2020. XLS. 2020 Population Estimates. United States Census Bureau, Population Division. June 2021. July 21, 2021.
7. Web site: Metropolitan and Micropolitan Statistical Areas Population Totals and Components of Change: 2010-2019 . United States Census Bureau, Population Division . March 26, 2020 . April 26, 2020.