Identifiers: city · CDP · borough
| Rank | Community | Population |
|---|---|---|
| 1 | DuBois (city), PA | 7,510 |
| 2 | Treasure Lake (CDP), PA | 5,460 |
| 3 | Brookville (borough), PA | 3,995 |
| 4 | Reynoldsville (borough), PA | 2,549 |
| 5 | Brockway (borough), PA | 2,276 |
| 6 | Sandy (CDP), PA | 1,362 |
| 7 | Sykesville (borough), PA | 1,115 |
| 8 | Falls Creek (borough), PA | 1,036 |
| 9 | Oklahoma (CDP), PA | 759 |
| 10 | Summerville (borough), PA | 504 |
| 11 | Crenshaw (CDP), PA | 423 |
| 12 | Corsica (borough), PA | 319 |
| 13 | Troutville (borough), PA | 230 |
| 14 | Luthersburg (CDP), PA | 0 |