16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 21613 | Cambridge | 18,167 |
| 21643 | Hurlock | 5,176 |
| 21631 | East New Market | 2,580 |
| 21659 | Rhodesdale | 1,480 |
| 21869 | Vienna | 889 |
| 21664 | Secretary | 598 |
| 21677 | Woolford | 534 |
| 21634 | Fishing Creek | 394 |
| 21835 | Linkwood | 390 |
| 21622 | Church Creek | 335 |
| 21672 | Toddville | 161 |
| 21626 | Crapo | 145 |
| 21648 | Madison | 104 |
| 21669 | Taylors Island | 102 |
| 21675 | Wingate | 43 |
| 21627 | Crocheron | 25 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Dorchester County, Maryland (US Census).