City | 2024 Population |
|---|---|
| Kane | 3,456 |
| Kapp Heights | 727 |
| Karns City | 165 |
| Karthaus | 756 |
| Keating | 2,632 |
| Kelayres | 447 |
| Kelly | 4,085 |
| Kempton | 213 |
| Kenhorst | 2,990 |
| Kenilworth | 2,044 |
| Kenmar | 4,723 |
| Kennedy | 8,342 |
| Kennerdell | 169 |
| Kennett | 10,091 |
| Kennett Square | 6,715 |
| Kerrtown | 45 |
| Kersey | 492 |
| Kidder | 1,838 |
| Kilbuck | 737 |
| Kimberton | 542 |
| Kimmel | 1,515 |
| King | 1,160 |
| King Prussia | 25,587 |
| Kingsley | 250 |
| Kingston | 13,332 |
| Kirkwood | 349 |
| Kiskimere | 57 |
| Kiskiminetas | 4,490 |
| Kistler | 282 |
| Kittanning | 3,876 |
| Kline | 1,474 |
| Klingerstown | 108 |
| Knox | 1,069 |
| Knoxville | 667 |
| Koppel | 692 |
| Kratzerville | 304 |
| Kreamer | 417 |
| Kulpmont | 2,685 |
| Kulpsville | 8,984 |
| Kutztown | 4,166 |
| Kutztown University | 4,232 |
| Kylertown | 386 |