Identifiers: city · borough · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Reading (city), PA | 95,112 |
| 2 | Pottstown (borough), PA | 23,433 |
| 3 | Phoenixville (borough), PA | 18,602 |
| 4 | Wyomissing (borough), PA | 11,114 |
| 5 | Audubon (CDP), PA | 8,688 |
| 6 | Sanatoga (CDP), PA | 8,496 |
| 7 | Downingtown (borough), PA | 7,892 |
| 8 | Lionville (CDP), PA | 6,582 |
| 9 | Exton (CDP), PA | 5,622 |
| 10 | Gilbertsville (CDP), PA | 5,508 |
| 11 | Trooper (CDP), PA | 5,481 |
| 12 | Shillington (borough), PA | 5,475 |
| 13 | Pennside (CDP), PA | 5,190 |
| 14 | Birdsboro (borough), PA | 5,106 |
| 15 | Collegeville (borough), PA | 5,043 |
| 16 | Royersford (borough), PA | 4,940 |
| 17 | Eagleville (CDP), PA | 4,647 |
| 18 | West Reading (borough), PA | 4,553 |
| 19 | Lorane (CDP), PA | 4,290 |
| 20 | Reiffton (CDP), PA | 4,274 |
Identifiers: city · borough · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Reading (city), PA | 95,112 |
| 2 | Pottstown (borough), PA | 23,433 |
| 3 | Phoenixville (borough), PA | 18,602 |
| 4 | Wyomissing (borough), PA | 11,114 |
| 5 | Audubon (CDP), PA | 8,688 |
| 6 | Sanatoga (CDP), PA | 8,496 |
| 7 | Downingtown (borough), PA | 7,892 |
| 8 | Lionville (CDP), PA | 6,582 |
| 9 | Exton (CDP), PA | 5,622 |
| 10 | Gilbertsville (CDP), PA | 5,508 |
| 11 | Trooper (CDP), PA | 5,481 |
| 12 | Shillington (borough), PA | 5,475 |
| 13 | Pennside (CDP), PA | 5,190 |
| 14 | Birdsboro (borough), PA | 5,106 |
| 15 | Collegeville (borough), PA | 5,043 |
| 16 | Royersford (borough), PA | 4,940 |
| 17 | Eagleville (CDP), PA | 4,647 |
| 18 | West Reading (borough), PA | 4,553 |
| 19 | Lorane (CDP), PA | 4,290 |
| 20 | Reiffton (CDP), PA | 4,274 |