Founded in 1790, Hancock County is one of 16 counties in the state of Maine. Historically, Hancock County, formerly known as Hancock County, Massachusetts, was formed from part of Lincoln County. The city of Ellsworth is the county seat. With FIPS code of 9, Hancock County has a population of 56,192 and area of 2,351 square miles (6,089 km2).
List of all cities in Hancock County, ME alphabetically
| City/Town | Postal Code | Area Code |
| Amherst, ME | 04605 | 207 |
| Aurora, ME | 04408 | 207 |
| Bar Harbor, ME | 04609 | 207 |
| Bass Harbor, ME | 04653 | 207 |
| Bernard, ME | 04612 | 207 |
| Birch Harbor, ME | 04613 | 207 |
| Blue Hill, ME | 04614 | 207 |
| Brooklin, ME | 04616 | 207 |
| Brooksville, ME | 04617 | 207 |
| 04642 | 207 | |
| Bucksport, ME | 04416 | 207 |
| Castine, ME | 04420 | 207 |
| 04421 | 207 | |
| Corea, ME | 04624 | 207 |
| Cranberry Island, ME | 04625 | 207 |
| Deer Isle, ME | 04627 | 207 |
| East Blue Hill, ME | 04629 | 207 |
| East Orland, ME | 04431 | 207 |
| Eastbrook, ME | 04634 | 207 |
| Ellsworth, ME | 04605 | 207 |
| Fletchers Landing Township, ME | 04605 | 207 |
| Fletchers Lodge, ME | 04605 | 207 |
| Franklin, ME | 04634 | 207 |
| Frenchboro, ME | 04635 | 207 |
| Gouldsboro, ME | 04607 | 207 |
| Great Pond, ME | 04408 | 207 |
| Hancock, ME | 04640 | 207 |
| Harborside, ME | 04642 | 207 |
| Hulls Cove, ME | 04644 | 207 |
| Islesford, ME | 04646 | 207 |
| Lamoine, ME | 04605 | 207 |
| Little Deer Island, ME | 04650 | 207 |
| Maine Maritime Academy, ME | 04420 | 207 |
| Mariaville, ME | 04605 | 207 |
| Minturn, ME | 04685 | 207 |
| Mount Desert, ME | 04660 | 207 |
| North Sullivan, ME | 04664 | 207 |
| Northeast Harbor, ME | 04662 | 207 |
| Orland, ME | 04472 | 207 |
| Osborn, ME | 04605 | 207 |
| Otis, ME | 04605 | 207 |
| Otter Creek, ME | 04660 | 207 |
| Penobscot, ME | 04476 | 207 |
| Prospect Harbor, ME | 04669 | 207 |
| Prospect Hbr, ME | 04669 | 207 |
| Salsbury Cove, ME | 04672 | 207 |
| Sargentville, ME | 04673 | 207 |
| Seal Cove, ME | 04674 | 207 |
| Seal Harbor, ME | 04675 | 207 |
| Sedgwick, ME | 04676 | 207 |
| Sorrento, ME | 04677 | 207 |
| South Gouldsboro, ME | 04607 | 207 |
| Southwest Harbor, ME | 04679 | 207 |
| Stonington, ME | 04681 | 207 |
| Sullivan, ME | 04664 | 207 |
| Sunset, ME | 04683 | 207 |
| Surry, ME | 04629 | 207 |
| Surry, ME | 04684 | 207 |
| Swans Island, ME | 04685 | 207 |
| Trenton, ME | 04605 | 207 |
| Verona Island, ME | 04416 | 207 |
| Waltham, ME | 04605 | 207 |
| West Tremont, ME | 04612 | 207 |
| Winter Harbor, ME | 04693 | 207 |