List of county seats in Pennsylvania (by population)
The following is a list of the sixty-seven county seats of the Commonwealth of Pennsylvania. The list includes forty-two boroughs, twenty-four cities, and one town. The ranking is based on the populations of each county seat during the 2010 census.
| Rank | Photo | Seat name | Population (2010 census) | County | Municipal type |
|---|---|---|---|---|---|
| 1 |
|
Philadelphia | 1,526,006 | Philadelphia | City |
| 2 |
|
Pittsburgh | 305,704 | Allegheny | City |
| 3 |
|
Allentown | 118,032 | Lehigh | City |
| 4 |
|
Erie | 101,786 | Erie | City |
| 5 |
|
Reading | 88,082 | Berks | City |
| 6 |
|
Scranton | 76,089 | Lackawanna | City |
| 7 |
|
Lancaster | 59,322 | Lancaster | City |
| 8 |
|
Harrisburg | 49,528 | Dauphin | City |
| 9 |
|
York | 43,718 | York | City |
| 10 |
|
Wilkes-Barre | 41,498 | Luzerne | City |
| 11 |
|
Norristown | 34,324 | Montgomery | Borough |
| 12 |
|
Williamsport | 29,381 | Lycoming | City |
| 13 |
|
Easton | 26,800 | Northampton | City |
| 14 | 
|
Lebanon | 25,477 | Lebanon | City |
| 15 | 
|
New Castle | 23,273 | Lawrence | City |
| 16 |
|
Chambersburg | 20,268 | Franklin | Borough |
| 17 |
|
Carlisle | 18,682 | Cumberland | Borough |
| 18 |
|
West Chester | 18,461 | Chester | Borough |
| 19 |
|
Greensburg | 14,892 | Westmoreland | City |
| 20 |
|
Bloomsburg | 14,855 | Columbia | Town |
| 21 |
|
Pottsville | 14,324 | Schuylkill | City |
| 22 |
|
Indiana | 13,975 | Indiana | Borough |
| 23 |
|
Butler | 13,757 | Butler | City |
| 24 |
|
Washington | 13,663 | Washington | City |
| 25 |
|
Meadville | 13,388 | Crawford | City |
| 26 |
|
Uniontown | 10,372 | Fayette | City |
| 27 |
|
Sunbury | 9,905 | Northumberland | City |
| 28 |
|
Lock Haven | 9,772 | Clinton | City |
| 29 |
|
Warren | 9,710 | Warren | City |
| 30 |
|
Doylestown | 8,380 | Bucks | Borough |
| 31 |
|
Lewistown | 8,338 | Mifflin | Borough |
| 32 |
|
Gettysburg | 7,620 | Adams | Borough |
| 33 | 
|
Huntingdon | 7,093 | Huntingdon | Borough |
| 34 |
|
Stroudsburg | 6,674 | Monroe | Borough |
| 35 |
|
Franklin | 6,545 | Venango | City |
| 36 |
|
Somerset | 6,277 | Somerset | Borough |
| 37 |
|
Clearfield | 6,215 | Clearfield | Borough |
| 38 |
|
Bellefonte | 6,187 | Centre | Borough |
| 39 |
|
Lewisburg | 5,792 | Union | Borough |
| 40 |
|
Hollidaysburg | 5,791 | Blair | Borough |
| 41 |
|
Media | 5,327 | Delaware | Borough |
| 42 |
|
Clarion | 5,276 | Clarion | Borough |
| 43 |
|
Jim Thorpe | 4,781 | Carbon | Borough |
| 44 |
|
Danville | 4,699 | Montour | Borough |
| 45 |
|
Beaver | 4,531 | Beaver | Borough |
| 46 |
|
Honesdale | 4,480 | Wayne | Borough |
| 47 |
|
Waynesburg | 4,176 | Greene | Borough |
| 48 |
|
Ridgway | 4,078 | Elk | Borough |
| 49 |
|
Kittanning | 4,044 | Armstrong | Borough |
| 50 |
|
Brookville | 3,924 | Jefferson | Borough |
| 51 |
|
Ebensburg | 3,351 | Cambria | Borough |
| 52 |
|
Wellsboro | 3,263 | Tioga | Borough |
| 53 |
|
Towanda | 2,919 | Bradford | Borough |
| 54 |
|
Bedford | 2,841 | Bedford | Borough |
| 55 |
|
Coudersport | 2,546 | Potter | Borough |
| 56 |
|
Emporium | 2,073 | Cameron | Borough |
| 57 |
|
Mercer | 2,002 | Mercer | Borough |
| 58 |
|
Tunkhannock | 1,836 | Wyoming | Borough |
| 59 |
|
Smethport | 1,655 | McKean | Borough |
| 60 |
|
Montrose | 1,617 | Susquehanna | Borough |
| 61 |
|
Middleburg | 1,309 | Snyder | Borough |
| 62 |
|
New Bloomfield | 1,247 | Perry | Borough |
| 63 |
|
McConnellsburg | 1,220 | Fulton | Borough |
| 64 |
|
Milford | 1,021 | Pike | Borough |
| 65 |
|
Mifflintown | 936 | Juniata | Borough |
| 66 | 
|
Tionesta | 483 | Forest | Borough |
| 67 |
|
Laporte | 316 | Sullivan | Borough |
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