27 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 04572 | Waldoboro | 5,228 |
| 04578 | Wiscasset | 4,608 |
| 04348 | Jefferson | 3,497 |
| 04353 | Whitefield | 2,343 |
| 04543 | Damariscotta | 2,249 |
| 04553 | Newcastle | 1,773 |
| 04555 | Nobleboro | 1,760 |
| 04538 | Boothbay Harbor | 1,688 |
| 04537 | Boothbay | 1,687 |
| 04342 | Dresden | 1,639 |
| 04539 | Bristol | 1,524 |
| 04556 | Edgecomb | 1,344 |
| 04544 | East Boothbay | 872 |
| 04551 | Bremen | 851 |
| 04535 | Alna | 829 |
| 04554 | New Harbor | 562 |
| 04576 | Southport | 521 |
| 04573 | Walpole | 518 |
| 04571 | Trevett | 517 |
| 04568 | South Bristol | 487 |
| 04564 | Round Pond | 477 |
| 04575 | West Boothbay Harbor | 355 |
| 04558 | Pemaquid | 291 |
| 04852 | Monhegan | 137 |
| 04541 | Chamberlain | 44 |
| 04341 | Coopers Mills | 39 |
| 04570 | Squirrel Island | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 27 ZCTAs in Lincoln County, Maine (US Census).