Zip Code | City | Population |
|---|---|---|
| 20603 | Waldorf | 32,495 |
| 20602 | Waldorf | 28,988 |
| 20601 | Waldorf | 27,328 |
| 20646 | La Plata | 21,248 |
| 20695 | White Plains | 11,455 |
| 20640 | Indian Head | 10,629 |
| 20616 | Bryans Road | 6,792 |
| 20637 | Hughesville | 6,221 |
| 20622 | Charlotte Hall | 5,471 |
| 20664 | Newburg | 2,780 |
| 20662 | Nanjemoy | 2,590 |
| 20675 | Pomfret | 2,060 |
| 20677 | Port Tobacco | 2,055 |
| 20625 | Cobb Island | 1,248 |
| 20693 | Welcome | 1,210 |
| 20611 | Bel Alton | 1,127 |
| 20658 | Marbury | 978 |
| 20632 | Faulkner | 802 |
| 20645 | Issue | 763 |
| 20617 | Bryantown | 630 |
| 20612 | Benedict | 147 |
| 20661 | Mount Victoria | 0 |