16 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 21613 | Cambridge | 17,926 |
| 21643 | Hurlock | 5,392 |
| 21631 | East New Market | 2,429 |
| 21659 | Rhodesdale | 1,601 |
| 21869 | Vienna | 827 |
| 21664 | Secretary | 635 |
| 21634 | Fishing Creek | 465 |
| 21677 | Woolford | 436 |
| 21622 | Church Creek | 420 |
| 21835 | Linkwood | 312 |
| 21626 | Crapo | 256 |
| 21648 | Madison | 172 |
| 21672 | Toddville | 161 |
| 21669 | Taylors Island | 160 |
| 21675 | Wingate | 38 |
| 21627 | Crocheron | 26 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 16 ZCTAs in Dorchester County, Maryland (US Census).