# Pennsylvania metropolitan areas

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.

## Metropolitan statistical areas (MSAs)

The following sortable table lists the 18 MSAs of the Commonwealth of Pennsylvania, including:
* The MSA rank by population as of July 1, 2020, as estimated by the United States Census Bureau
* The MSA name as designated by the United States Office of Management and Budget
* The MSA population as of April 1, 2020, as enumerated by the 2020 United States census
* The MSA population as of April 1, 2010, as enumerated by the 2010 United States census
* The percent MSA population change from April 1, 2010, to July 1, 2020
* The combined statistical area (CSA) 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 |
| 1 | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA | 6,245,051 | 5,965,343 | +4.69% | Philadelphia-Reading-Camden, PA-NJ-DE-MD CSA |
| 2 | Pittsburgh, PA MSA | 2,370,930 | 2,356,285 | +0.62% | Pittsburgh-New Castle-Weirton, PA-OH-WV CSA |
| 3 | Allentown-Bethlehem-Easton, PA-NJ MSA | 861,889 | 821,173 | +4.96% |
| 4 | Harrisburg-Carlisle, PA MSA | 591,712 | 549,475 | +7.69% | Harrisburg-York-Lebanon, PA CSA |
| 5 | Scranton–Wilkes-Barre, PA MSA | 567,559 | 563,631 | +0.70% |
| 6 | Lancaster, PA MSA | 552,984 | 519,445 | +6.46% |
| 7 | York-Hanover, PA MSA | 456,438 | 434,972 | +4.94% | Harrisburg-York-Lebanon, PA CSA |
| 8 | Reading, PA MSA | 428,849 | 411,442 | +4.23% | Philadelphia-Reading-Camden, PA-NJ-DE-MD CSA |
| 9 | Erie, PA MSA | 270,876 | 280,566 | −3.45% | Erie-Meadville, PA CSA |
| 10 | East Stroudsburg, PA MSA | 168,327 | 169,842 | −0.89% | New York-Newark, NY-NJ-CT-PA CSA |
| 11 | State College, PA MSA | 158,172 | 153,990 | +2.72% | State College-DuBois, PA CSA |
| 12 | Chambersburg-Waynesboro, PA MSA | 155,932 | 149,618 | +4.22% | Washington-Baltimore-Arlington, DC-MD-VA-WV-PA CSA |
| 13 | Lebanon, PA MSA | 143,257 | 133,568 | +7.25% | Harrisburg-York-Lebanon, PA CSA |
| 14 | Johnstown, PA MSA | 133,472 | 143,679 | −7.10% | Johnstown-Somerset, PA CSA |
| 15 | Altoona, PA MSA | 122,822 | 127,089 | −3.36% |
| 16 | Williamsport, PA MSA | 114,188 | 116,111 | −1.66% | Williamsport-Lock Haven, PA CSA |
| 17 | Gettysburg, PA MSA | 103,852 | 101,407 | +2.41% | Harrisburg-York-Lebanon, PA CSA |
| 18 | Bloomsburg-Berwick MSA | 82,863 | 85,562 | −3.15% | 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:
* CSA rank by population as of July 1, 2020, as estimated by the United States Census Bureau
* The CSA name as designated by the United States Office of Management and Budget
* The CSA population as of July 1, 2020, as estimated by the United States Census Bureau
* CSA population as of April 1, 2010, as enumerated by the 2010 United States census
* Percent CSA population change from April 1, 2010, to July 1, 2020
* Core Based Statistical Areas (CBSAs) that constitute the CSA
(Metropolitan Statistical Areas that are not combined with other MSAs or CBSAs are not also listed below.)
Combined Statistical Areas (CSAs) of the Commonwealth of Pennsylvania :
| Rank | Combined Statistical Area | 2020 Census | 2010 Census | Change | Constituent Core Based Statistical Areas |
| 1 | New York-Newark, NY-NJ-CT-PA Combined Statistical Area|New York-Newark, NY-NJ-CT-PA Combined Statistical Area | 23,582,649 | 22,255,491 | +5.96% | 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 |
| 2 | Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area|Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area | 9,973,383 | 9,050,192 | +10.20% | 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 |
| 3 | Philadelphia-Reading-Camden, PA-NJ-DE-MD Combined Statistical Area|Philadelphia-Reading-Camden, PA-NJ-DE-MD Combined Statistical Area | 7,379,700 | 7,067,807 | +4.41% | 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 |
| 4 | Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area | 2,657,149 | 2,660,727 | −0.13% | Pittsburgh, PA Metropolitan Statistical Area Weirton-Steubenville, WV-OH Metropolitan Statistical Area New Castle, PA Micropolitan Statistical Area Indiana, PA Micropolitan Statistical Area |
| 5 | Harrisburg-York-Lebanon, PA Combined Statistical Area | 1,295,259 | 1,219,422 | +6.22% | Harrisburg–Carlisle metropolitan statistical area York-Hanover, PA Metropolitan Statistical Area Lebanon, PA Metropolitan Statistical Area Gettysburg, PA Metropolitan Statistical Area |
| 6 | Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area|Youngstown-Warren-East Liverpool, OH-PA Combined Statistical Area | 643,120 | 673,614 | −4.53% | Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area Salem, OH Micropolitan Statistical Area |
| 7 | Erie-Meadville, PA Combined Statistical Area | 354,814 | 369,331 | −3.93% | Erie, PA Metropolitan Statistical Area Meadville, PA Micropolitan Statistical Area |
| 8 | Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area | 256,927 | 264,739 | −2.95% | Sunbury, PA Micropolitan Statistical Area Bloomsburg-Berwick, PA Metropolitan Statistical Area Lewisburg, PA Micropolitan Statistical Area Selinsgrove, PA Micropolitan Statistical Area |
| 9 | State College-DuBois, PA Combined Statistical Area | 238,734 | 235,632 | +1.32% | State College, PA Metropolitan Statistical Area DuBois, PA Micropolitan Statistical Area |
| 10 | Johnstown-Somerset, PA Combined Statistical Area | 207,601 | 221,421 | −6.24% | Johnstown, PA Metropolitan Statistical Area Somerset, PA Micropolitan Statistical Area |
| 11 | Altoona-Huntingdon, PA Combined Statistical Area | 166,914 | 173,002 | −3.52% | Altoona, PA Metropolitan Statistical Area Huntingdon, PA Micropolitan Statistical Area |
| 12 | Williamsport-Lock Haven, PA Combined Statistical Area | 151,638 | 155,349 | −2.39% | Williamsport, PA Metropolitan Statistical Area Lock Haven, PA Micropolitan Statistical Area |