41 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ellsworth | 1 | 8,923 | 8,415 | 1.14% | 113 | 79 | City |
| Ellsworth | 2 | 8,884 | 8,415 | 0.7% | 112 | 79 | City |
| Bar Harbor | 3 | 5,338 | 5,105 | 0.23% | 126 | 42 | Town |
| Bucksport | 4 | 5,024 | 4,945 | -0.3% | 97 | 52 | Town |
| Blue Hill | 5 | 2,795 | 2,790 | -0.53% | 45 | 62 | Town |
| Hancock | 6 | 2,569 | 2,467 | 0.98% | 86 | 30 | Town |
| Orland | 7 | 2,220 | 2,222 | -0.45% | 47 | 47 | Town |
| Mount Desert | 8 | 2,213 | 2,152 | 0.27% | 60 | 37 | Town |
| Deer Isle | 9 | 2,119 | 2,191 | -0.66% | 71 | 30 | Town |
| Southwest Harbor | 10 | 1,857 | 1,752 | 0.6% | 137 | 14 | Town |
| Lamoine | 11 | 1,815 | 1,717 | 0.89% | 102 | 18 | Town |
| Gouldsboro | 12 | 1,764 | 1,701 | 0.63% | 38 | 46 | Town |
| Surry | 13 | 1,680 | 1,635 | -0.06% | 45 | 37 | Town |
| Franklin | 14 | 1,667 | 1,570 | 1.52% | 46 | 36 | Town |
| Dedham | 15 | 1,647 | 1,651 | -0.66% | 42 | 39 | Town |
| Trenton | 16 | 1,643 | 1,593 | 0% | 90 | 18 | Town |
| Tremont | 17 | 1,534 | 1,545 | -0.65% | 91 | 17 | Town |
| Castine | 18 | 1,402 | 1,317 | 3.01% | 180 | 8 | Town |
| Sullivan | 19 | 1,288 | 1,218 | 1.18% | 48 | 27 | Town |
| Sedgwick | 20 | 1,196 | 1,197 | -0.5% | 44 | 27 | Town |
| Penobscot | 21 | 1,164 | 1,134 | 1.04% | 29 | 40 | Town |
| Stonington | 22 | 1,053 | 1,054 | -0.38% | 107 | 10 | Town |
| Brooksville | 23 | 926 | 932 | -0.64% | 30 | 31 | Town |
| Brooklin | 24 | 826 | 827 | -0.48% | 46 | 18 | Town |
| Otis | 25 | 664 | 668 | -0.6% | 27 | 25 | Town |
| Verona Island | 26 | 510 | 508 | -0.78% | 82 | 6 | Town |
| Mariaville | 27 | 501 | 473 | 0.4% | 13 | 39 | Town |
| Northeast Harbor | 28 | 498 | 380 | 7.33% | 689 | 1 | CDP |
| Winter Harbor | 29 | 485 | 464 | 0.62% | 34 | 14 | Town |
| Southwest Harbor | 30 | 477 | 626 | -3.44% | 354 | 1 | CDP |
| Eastbrook | 31 | 430 | 426 | -0.46% | 13 | 33 | Town |
| Swans Island | 32 | 358 | 359 | -0.56% | 29 | 12 | Town |
| Waltham | 33 | 352 | 334 | 2.62% | 12 | 30 | Town |
| Winter Harbor | 34 | 287 | 337 | -3.04% | 132 | 2 | CDP |
| Sorrento | 35 | 276 | 278 | -0.72% | 69 | 4 | Town |
| Amherst | 36 | 266 | 248 | 2.31% | 7 | 39 | Town |
| Cranberry Isles | 37 | 159 | 162 | -1.24% | 50 | 3 | Town |
| Aurora | 38 | 96 | 91 | 2.13% | 3 | 38 | Town |
| Osborn | 39 | 64 | 65 | -1.54% | 2 | 35 | Town |
| Great Pond | 40 | 62 | 62 | 0% | 2 | 38 | Town |
| Frenchboro | 41 | 30 | 30 | 0% | 6 | 5 | Town |
Ellsworth is the largest city in Hancock County, with a population of 8,923.
Frenchboro is the smallest city in Hancock County, with a population of 30.
There are 41 cities in Hancock County, Maine.