41 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ellsworth | 1 | 8,907 | 8,417 | 1.11% | 112 | 79.29 | City |
| Ellsworth city | 2 | 8,719 | 8,417 | 0.05% | 110 | 79.29 | City |
| Bar Harbor town | 3 | 5,316 | 5,102 | 0.38% | 126 | 42.24 | Town |
| Bucksport town | 4 | 5,038 | 4,949 | 0.22% | 98 | 51.55 | Town |
| Blue Hill town | 5 | 2,788 | 2,795 | -0.54% | 45 | 62.48 | Town |
| Hancock town | 6 | 2,494 | 2,467 | -0.28% | 83 | 30.04 | Town |
| Orland town | 7 | 2,203 | 2,222 | -0.54% | 47 | 47.04 | Town |
| Mount Desert town | 8 | 2,180 | 2,152 | -0.23% | 59 | 36.89 | Town |
| Deer Isle town | 9 | 2,117 | 2,191 | -0.42% | 71 | 29.73 | Town |
| Southwest Harbor town | 10 | 1,850 | 1,751 | 0.71% | 137 | 13.51 | Town |
| Lamoine town | 11 | 1,800 | 1,719 | 0.67% | 101 | 17.84 | Town |
| Gouldsboro town | 12 | 1,742 | 1,706 | 0.17% | 38 | 46.26 | Town |
| Surry town | 13 | 1,667 | 1,633 | -0.12% | 45 | 36.98 | Town |
| Dedham town | 14 | 1,638 | 1,649 | -0.61% | 42 | 39.33 | Town |
| Franklin town | 15 | 1,637 | 1,567 | 0.92% | 45 | 36.45 | Town |
| Trenton town | 16 | 1,636 | 1,588 | 0.18% | 90 | 18.19 | Town |
| Tremont town | 17 | 1,530 | 1,545 | -0.52% | 91 | 16.84 | Town |
| Castine town | 18 | 1,363 | 1,318 | 0.22% | 175 | 7.78 | Town |
| Sullivan town | 19 | 1,244 | 1,219 | -0.48% | 47 | 26.67 | Town |
| Sedgwick town | 20 | 1,193 | 1,199 | -0.5% | 44 | 26.99 | Town |
| Penobscot town | 21 | 1,121 | 1,135 | -0.62% | 28 | 39.87 | Town |
| Stonington town | 22 | 1,043 | 1,054 | -0.57% | 106 | 9.81 | Town |
| Brooksville town | 23 | 923 | 932 | -0.54% | 30 | 31.13 | Town |
| Brooklin town | 24 | 819 | 826 | -0.61% | 46 | 17.92 | Town |
| Otis town | 25 | 665 | 669 | -0.45% | 27 | 24.77 | Town |
| Verona Island town | 26 | 523 | 507 | 0.77% | 84 | 6.24 | Town |
| Mariaville town | 27 | 506 | 473 | 1.2% | 13 | 38.72 | Town |
| Northeast Harbor | 28 | 498 | 380 | 7.33% | 689 | 0.72 | CDP |
| Southwest Harbor | 29 | 477 | 626 | -3.44% | 354 | 1.35 | CDP |
| Winter Harbor town | 30 | 476 | 462 | 0.21% | 33 | 14.38 | Town |
| Eastbrook town | 31 | 429 | 425 | -0.23% | 13 | 33.35 | Town |
| Swans Island town | 32 | 353 | 356 | -0.56% | 28 | 12.41 | Town |
| Waltham town | 33 | 321 | 332 | -1.23% | 11 | 29.67 | Town |
| Winter Harbor | 34 | 287 | 337 | -3.04% | 132 | 2.17 | CDP |
| Sorrento town | 35 | 274 | 278 | -0.72% | 69 | 3.99 | Town |
| Amherst town | 36 | 252 | 247 | 0% | 6 | 39.31 | Town |
| Cranberry Isles town | 37 | 159 | 161 | -0.63% | 50 | 3.17 | Town |
| Aurora town | 38 | 93 | 92 | 0% | 2 | 37.70 | Town |
| Osborn town | 39 | 66 | 66 | 0% | 2 | 35.20 | Town |
| Great Pond town | 40 | 62 | 62 | 0% | 2 | 37.76 | Town |
| Frenchboro town | 41 | 30 | 30 | 0% | 6 | 4.82 | Town |
Ellsworth is the largest city in Hancock County, with a population of 8,907.
Frenchboro town is the smallest city in Hancock County.
There are 41 cities in Hancock County, Maine.