Identifiers: CDP · city · town
| Rank | Community | Population |
|---|---|---|
| 1 | Owings Mills (CDP), MD | 35,674 |
| 2 | Randallstown (CDP), MD | 33,655 |
| 3 | Eldersburg (CDP), MD | 32,582 |
| 4 | Reisterstown (CDP), MD | 26,822 |
| 5 | Westminster (city), MD | 20,126 |
| 6 | Garrison (CDP), MD | 9,487 |
| 7 | Taneytown (city), MD | 7,234 |
| 8 | Hampstead (town), MD | 6,241 |
| 9 | Manchester (town), MD | 5,408 |
| 10 | New Windsor (town), MD | 1,441 |