| Rank | City | 2016 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Philadelphia | 1,567,442 | 0.5% |
| 2 | Pittsburgh | 304,391 | -0.1% |
| 3 | Allentown | 120,207 | 0.4% |
| 4 | Erie | 99,475 | -0.5% |
| 5 | Reading | 87,879 | -0.0% |
| 6 | Scranton | 77,118 | 0.3% |
| 7 | Bethlehem | 74,892 | -0.0% |
| 8 | Lancaster | 59,339 | 0.0% |
| 9 | Harrisburg | 49,081 | -0.2% |
| 10 | Altoona | 45,344 | -0.4% |
| 11 | York | 43,992 | 0.1% |
| 12 | State College | 42,161 | 0.1% |
| 13 | Wilkes-Barre | 40,780 | -0.3% |
| 14 | Norristown | 34,412 | 0.1% |
| 15 | Chester | 34,092 | 0.1% |
| 16 | Bethel Park | 32,118 | -0.1% |
| 17 | Williamsport | 29,201 | -0.1% |
| 18 | Monroeville | 28,176 | -0.1% |
| 19 | Plum | 27,505 | 0.3% |
| 20 | Easton | 26,915 | 0.1% |
| 21 | Lebanon | 25,534 | 0.0% |
| 22 | Hazleton | 24,825 | -0.4% |
| 23 | Pottstown | 22,664 | 0.3% |
| 24 | New Castle | 22,375 | -0.8% |
| 25 | Chambersburg | 20,691 | 0.4% |
| 26 | Murrysville | 20,134 | 0.1% |
| 27 | West Mifflin | 20,075 | -0.2% |
| 28 | Johnstown | 19,966 | -1.0% |
| 29 | West Chester | 19,842 | 1.5% |
| 30 | Baldwin | 19,819 | 0.1% |
| 31 | McKeesport | 19,453 | -0.3% |
| 32 | Carlisle | 19,143 | 0.5% |
| 33 | Phoenixville | 16,658 | 0.3% |
| 34 | Lansdale | 16,512 | 0.3% |
| 35 | Hermitage | 16,028 | -0.2% |
| 36 | Wilkinsburg | 15,731 | -0.3% |
| 37 | Hanover | 15,496 | 0.3% |
| 38 | Bloomsburg | 14,585 | -0.4% |
| 39 | Greensburg | 14,495 | -0.5% |
| 40 | Franklin Park | 14,415 | 1.4% |
| 41 | Indiana | 14,100 | 0.2% |
| 42 | Ephrata | 13,861 | 0.7% |
| 43 | Whitehall | 13,834 | -0.2% |
| 44 | Pottsville | 13,802 | -0.7% |
| 45 | Sharon | 13,562 | -0.7% |
| 46 | Washington | 13,497 | -0.2% |
| 47 | Dunmore | 13,379 | -1.0% |
| 48 | Butler | 13,289 | -0.7% |
| 49 | Coatesville | 13,148 | 0.1% |
| 50 | Meadville | 13,061 | -0.5% |
| 51 | Kingston | 12,941 | -0.4% |
| 52 | New Kensington | 12,713 | -0.6% |
| 53 | St. Marys | 12,652 | -0.6% |
| 54 | Elizabethtown | 11,586 | 0.1% |
| 55 | Yeadon | 11,523 | 0.1% |
| 56 | Lower Burrell | 11,466 | -0.5% |
| 57 | Emmaus | 11,368 | 0.3% |
| 58 | Jefferson Hills | 11,360 | 1.4% |
| 59 | Munhall | 11,247 | -0.3% |
| 60 | Waynesboro | 10,848 | 0.5% |
| 61 | Darby | 10,687 | – |
| 62 | Lansdowne | 10,639 | 0.0% |
| 63 | Wyomissing | 10,469 | 0.0% |
| 64 | Columbia | 10,388 | -0.0% |
| 65 | Nanticoke | 10,258 | -0.4% |
| 66 | Berwick | 10,223 | -0.5% |
| 67 | East Stroudsburg | 10,140 | 0.6% |
| 68 | Oil City | 10,137 | -0.8% |
| 69 | Uniontown | 9,990 | -0.7% |
| 70 | Northampton | 9,860 | -0.1% |
| 71 | Sunbury | 9,652 | -0.5% |
| 72 | Lock Haven | 9,604 | -0.3% |
| 73 | Bristol | 9,569 | -0.3% |
| 74 | Brentwood | 9,512 | -0.3% |
| 75 | Jeannette | 9,335 | -0.7% |
| 76 | Warren | 9,334 | -0.8% |
| 77 | Economy | 9,322 | 0.8% |
| 78 | Lititz | 9,225 | -0.3% |
| 79 | Aliquippa | 9,197 | -0.5% |
| 80 | Middletown | 9,117 | 0.5% |
| 81 | Mechanicsburg | 8,999 | 0.0% |
| 82 | Canonsburg | 8,922 | -0.2% |
| 83 | Swissvale | 8,855 | -0.3% |
| 84 | Quakertown | 8,855 | -0.3% |
| 85 | Collingdale | 8,792 | 0.0% |
| 86 | Beaver Falls | 8,661 | -0.7% |
| 87 | Morrisville | 8,605 | -0.3% |
| 88 | Carbondale | 8,566 | -0.7% |
| 89 | Bradford | 8,507 | -0.6% |
| 90 | Perkasie | 8,471 | -0.1% |
| 91 | Dormont | 8,465 | -0.3% |
| 92 | Millersville | 8,420 | 0.6% |
| 93 | Doylestown | 8,301 | -0.2% |
| 94 | Lewistown | 8,271 | -0.2% |
| 95 | Bellevue | 8,252 | -0.3% |
| 96 | Pleasant Hills | 8,252 | -0.0% |
| 97 | Castle Shannon | 8,235 | -0.2% |
| 98 | Grove City | 8,193 | -0.3% |
| 99 | Latrobe | 8,081 | -0.6% |
| 100 | Brookhaven | 8,078 | 0.2% |
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