Zip Code | City | Population |
|---|---|---|
| 21122 | Pasadena | 61,444 |
| 21061 | Glen Burnie | 55,172 |
| 21401 | Annapolis | 40,442 |
| 21060 | Glen Burnie | 38,418 |
| 21144 | Severn | 37,041 |
| 21113 | Odenton | 36,495 |
| 21225 | Brooklyn | 34,872 |
| 21403 | Annapolis | 32,207 |
| 21146 | Severna Park | 29,710 |
| 21114 | Crofton | 25,126 |
| 21012 | Arnold | 23,144 |
| 21076 | Hanover | 22,041 |
| 21037 | Edgewater | 21,060 |
| 21409 | Annapolis | 20,619 |
| 20724 | Laurel | 18,345 |
| 21108 | Millersville | 18,046 |
| 21054 | Gambrills | 15,687 |
| 21090 | Linthicum Heights | 10,346 |
| 20755 | Fort George G Meade | 10,011 |
| 21035 | Davidsonville | 8,360 |
| 21032 | Crownsville | 8,040 |
| 20711 | Lothian | 7,435 |
| 20714 | North Beach | 4,767 |
| 21140 | Riva | 4,255 |
| 20764 | Shady Side | 3,280 |
| 20776 | Harwood | 2,966 |
| 21402 | Annapolis | 2,727 |
| 20733 | Churchton | 2,669 |
| 20778 | West River | 2,564 |
| 20751 | Deale | 2,081 |
| 20779 | Tracys Landing | 992 |
| 20765 | Galesville | 604 |
| 20758 | Friendship | 542 |
| 21405 | Annapolis | 383 |
| 21056 | Gibson Island | 318 |
| 21077 | Harmans | 105 |
| 21240 | Baltimore | 0 |