22 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 20603 | Waldorf | 32,649 |
| 20602 | Waldorf | 29,425 |
| 20601 | Waldorf | 27,340 |
| 20646 | La Plata | 21,601 |
| 20695 | White Plains | 12,725 |
| 20640 | Indian Head | 10,254 |
| 20616 | Bryans Road | 7,435 |
| 20637 | Hughesville | 6,337 |
| 20622 | Charlotte Hall | 5,259 |
| 20664 | Newburg | 3,121 |
| 20662 | Nanjemoy | 2,326 |
| 20677 | Port Tobacco | 2,113 |
| 20675 | Pomfret | 1,836 |
| 20693 | Welcome | 1,238 |
| 20625 | Cobb Island | 1,135 |
| 20611 | Bel Alton | 1,128 |
| 20658 | Marbury | 862 |
| 20645 | Issue | 717 |
| 20632 | Faulkner | 687 |
| 20617 | Bryantown | 368 |
| 20612 | Benedict | 68 |
| 20661 | Mount Victoria | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 22 ZCTAs in Charles County, Maryland (US Census).