Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Cumberland (city), MD | 19,076 |
| 2 | Frostburg (city), MD | 7,027 |
| 3 | Cresaptown (CDP), MD | 5,442 |
| 4 | La Vale (CDP), MD | 4,201 |
| 5 | Bel Air (CDP), MD | 1,689 |
| 6 | Bowling Green (CDP), MD | 1,018 |
| 7 | Lonaconing (town), MD | 1,001 |
| 8 | Grantsville (town), MD | 968 |
| 9 | Eckhart Mines (CDP), MD | 858 |
| 10 | Potomac Park (CDP), MD | 821 |
| 11 | Mount Savage (CDP), MD | 733 |
| 12 | Rawlings (CDP), MD | 687 |
| 13 | Ellerslie (CDP), MD | 651 |
| 14 | Bowmans Addition (CDP), MD | 584 |
| 15 | Finzel (CDP), MD | 495 |
| 16 | Midland (town), MD | 488 |
| 17 | Barton (town), MD | 464 |
| 18 | McCoole (CDP), MD | 449 |
| 19 | Corriganville (CDP), MD | 421 |
| 20 | Grahamtown (CDP), MD | 368 |