27 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 4572 | Waldoboro | 5,178 |
| 4578 | Wiscasset | 4,657 |
| 4348 | Jefferson | 3,508 |
| 4353 | Whitefield | 2,269 |
| 4543 | Damariscotta | 2,257 |
| 4342 | Dresden | 1,814 |
| 4553 | Newcastle | 1,766 |
| 4538 | Boothbay Harbor | 1,737 |
| 4555 | Nobleboro | 1,554 |
| 4537 | Boothbay | 1,438 |
| 4539 | Bristol | 1,424 |
| 4556 | Edgecomb | 1,314 |
| 4544 | East Boothbay | 1,057 |
| 4551 | Bremen | 815 |
| 4535 | Alna | 747 |
| 4554 | New Harbor | 676 |
| 4571 | Trevett | 552 |
| 4568 | South Bristol | 516 |
| 4576 | Southport | 467 |
| 4573 | Walpole | 460 |
| 4564 | Round Pond | 436 |
| 4575 | West Boothbay Harbor | 336 |
| 4558 | Pemaquid | 276 |
| 4852 | Monhegan | 119 |
| 4541 | Chamberlain | 55 |
| 4341 | Coopers Mills | 38 |
| 4570 | 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).