27 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 04572 | Waldoboro | 5,253 |
| 04578 | Wiscasset | 4,709 |
| 04348 | Jefferson | 3,484 |
| 04543 | Damariscotta | 2,192 |
| 04353 | Whitefield | 2,115 |
| 04553 | Newcastle | 1,913 |
| 04555 | Nobleboro | 1,906 |
| 04538 | Boothbay Harbor | 1,810 |
| 04537 | Boothbay | 1,685 |
| 04342 | Dresden | 1,645 |
| 04539 | Bristol | 1,456 |
| 04556 | Edgecomb | 1,251 |
| 04544 | East Boothbay | 978 |
| 04551 | Bremen | 917 |
| 04535 | Alna | 818 |
| 04573 | Walpole | 557 |
| 04576 | Southport | 547 |
| 04564 | Round Pond | 520 |
| 04554 | New Harbor | 514 |
| 04568 | South Bristol | 512 |
| 04571 | Trevett | 439 |
| 04558 | Pemaquid | 382 |
| 04575 | West Boothbay Harbor | 286 |
| 04852 | Monhegan | 120 |
| 04541 | Chamberlain | 45 |
| 04341 | Coopers Mills | 42 |
| 04570 | Squirrel Island | 3 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 27 ZCTAs in Lincoln County, Maine (US Census).