40 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 4605 | Ellsworth | 14,686 |
| 4416 | Bucksport | 5,586 |
| 4609 | Bar Harbor | 5,161 |
| 4429 | Holden | 4,924 |
| 4614 | Blue Hill | 2,797 |
| 4640 | Hancock | 2,432 |
| 4627 | Deer Isle | 2,044 |
| 4634 | Franklin | 1,964 |
| 4472 | Orland | 1,891 |
| 4684 | Surry | 1,756 |
| 4664 | Sullivan | 1,515 |
| 4679 | Southwest Harbor | 1,496 |
| 4607 | Gouldsboro | 1,308 |
| 4421 | Castine | 1,289 |
| 4676 | Sedgwick | 1,169 |
| 4660 | Mount Desert | 1,102 |
| 4476 | Penobscot | 1,091 |
| 4681 | Stonington | 826 |
| 4616 | Brooklin | 745 |
| 4617 | Brooksville | 725 |
| 4653 | Bass Harbor | 700 |
| 4612 | Bernard | 490 |
| 4662 | Northeast Harbor | 487 |
| 4693 | Winter Harbor | 434 |
| 4685 | Swans Island | 417 |
| 4674 | Seal Cove | 313 |
| 4677 | Sorrento | 286 |
| 4650 | Little Deer Isle | 280 |
| 4408 | Aurora | 196 |
| 4673 | Sargentville | 186 |
| 4642 | Harborside | 159 |
| 4669 | Prospect Harbor | 144 |
| 4624 | Corea | 136 |
| 4646 | Islesford | 100 |
| 4613 | Birch Harbor | 93 |
| 4675 | Seal Harbor | 83 |
| 4431 | East Orland | 61 |
| 4625 | Cranberry Isles | 52 |
| 4635 | Frenchboro | 10 |
| 4683 | Sunset | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 40 ZCTAs in Hancock County, Maine (US Census).