| Rank | City | 2014 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Philadelphia | 1,553,165 | 0.6% |
| 2 | Pittsburgh | 305,841 | 0.0% |
| 3 | Allentown | 118,577 | 0.2% |
| 4 | Erie | 100,671 | -0.4% |
| 5 | Reading | 87,893 | -0.1% |
| 6 | Scranton | 75,806 | -0.1% |
| 7 | Bethlehem | 75,018 | 0.0% |
| 8 | Lancaster | 59,325 | 0.0% |
| 9 | Harrisburg | 49,188 | -0.2% |
| 10 | Altoona | 45,796 | -0.4% |
| 11 | York | 43,935 | 0.2% |
| 12 | State College | 41,757 | -0.2% |
| 13 | Wilkes-Barre | 41,108 | -0.3% |
| 14 | Norristown | 34,432 | 0.1% |
| 15 | Chester | 34,046 | 0.1% |
| 16 | Bethel Park | 32,391 | 0.1% |
| 17 | Williamsport | 29,349 | -0.0% |
| 18 | Monroeville | 28,400 | 0.0% |
| 19 | Plum | 27,505 | 0.5% |
| 20 | Easton | 27,073 | 0.3% |
| 21 | Lebanon | 25,524 | 0.1% |
| 22 | Hazleton | 25,083 | -0.3% |
| 23 | New Castle | 22,748 | -0.8% |
| 24 | Pottstown | 22,562 | 0.3% |
| 25 | Chambersburg | 20,508 | 0.4% |
| 26 | Johnstown | 20,402 | -0.9% |
| 27 | Murrysville | 20,253 | 0.3% |
| 28 | West Mifflin | 20,253 | -0.1% |
| 29 | Baldwin | 19,812 | 0.1% |
| 30 | McKeesport | 19,645 | -0.1% |
| 31 | West Chester | 18,968 | 0.9% |
| 32 | Carlisle | 18,927 | 0.4% |
| 33 | Phoenixville | 16,520 | 0.2% |
| 34 | Lansdale | 16,408 | 0.3% |
| 35 | Hermitage | 16,190 | -0.1% |
| 36 | Wilkinsburg | 15,882 | -0.1% |
| 37 | Hanover | 15,365 | 0.2% |
| 38 | Greensburg | 14,660 | -0.5% |
| 39 | Bloomsburg | 14,519 | -0.8% |
| 40 | Pottsville | 14,095 | -0.5% |
| 41 | Indiana | 14,055 | 0.2% |
| 42 | Franklin Park | 14,030 | 1.4% |
| 43 | Dunmore | 13,966 | -0.2% |
| 44 | Whitehall | 13,945 | 0.0% |
| 45 | Sharon | 13,760 | -0.7% |
| 46 | Washington | 13,725 | 0.2% |
| 47 | Butler | 13,562 | -0.5% |
| 48 | Ephrata | 13,516 | 0.3% |
| 49 | Meadville | 13,265 | -0.3% |
| 50 | Coatesville | 13,133 | 0.1% |
| 51 | Kingston | 13,074 | -0.3% |
| 52 | New Kensington | 12,911 | -0.5% |
| 53 | St. Marys | 12,909 | -0.4% |
| 54 | Elizabethtown | 11,648 | 0.3% |
| 55 | Lower Burrell | 11,629 | -0.4% |
| 56 | Yeadon | 11,510 | 0.2% |
| 57 | Munhall | 11,356 | -0.1% |
| 58 | Emmaus | 11,296 | 0.3% |
| 59 | Jefferson Hills | 11,121 | 1.6% |
| 60 | Waynesboro | 10,714 | 0.5% |
| 61 | Darby | 10,687 | – |
| 62 | Lansdowne | 10,627 | 0.0% |
| 63 | Wyomissing | 10,481 | 0.1% |
| 64 | Columbia | 10,382 | -0.1% |
| 65 | Nanticoke | 10,366 | -0.3% |
| 66 | Berwick | 10,343 | -0.4% |
| 67 | Oil City | 10,321 | -0.8% |
| 68 | Uniontown | 10,182 | -0.6% |
| 69 | Lock Haven | 10,025 | 0.9% |
| 70 | Northampton | 9,914 | -0.0% |
| 71 | East Stroudsburg | 9,780 | -0.2% |
| 72 | Sunbury | 9,767 | -0.5% |
| 73 | Bristol | 9,633 | -0.3% |
| 74 | Brentwood | 9,609 | -0.1% |
| 75 | Jeannette | 9,488 | -0.6% |
| 76 | Warren | 9,477 | -0.8% |
| 77 | Lititz | 9,388 | 0.1% |
| 78 | Aliquippa | 9,317 | -0.4% |
| 79 | Economy | 9,256 | 1.1% |
| 80 | Mechanicsburg | 8,982 | 0.0% |
| 81 | Canonsburg | 8,960 | -0.1% |
| 82 | Swissvale | 8,946 | -0.1% |
| 83 | Quakertown | 8,925 | -0.2% |
| 84 | Middletown | 8,880 | -0.1% |
| 85 | Carbondale | 8,822 | -0.3% |
| 86 | Beaver Falls | 8,816 | -0.6% |
| 87 | Collingdale | 8,785 | -0.0% |
| 88 | Morrisville | 8,668 | -0.2% |
| 89 | Bradford | 8,630 | -0.5% |
| 90 | Dormont | 8,552 | -0.2% |
| 91 | Perkasie | 8,515 | 0.0% |
| 92 | Doylestown | 8,337 | -0.2% |
| 93 | Bellevue | 8,335 | -0.1% |
| 94 | Lewistown | 8,328 | -0.0% |
| 95 | Castle Shannon | 8,306 | -0.0% |
| 96 | Pleasant Hills | 8,306 | 0.2% |
| 97 | Old Forge | 8,264 | -0.2% |
| 98 | Millersville | 8,258 | 0.4% |
| 99 | Grove City | 8,199 | -0.5% |
| 100 | Latrobe | 8,195 | -0.6% |
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