66 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Presque Isle | 1 | 8,704 | 8,775 | -0.14% | 115 | 76 | City |
| Presque Isle | 2 | 8,664 | 8,775 | -0.37% | 114 | 76 | City |
| Caribou | 3 | 7,290 | 7,403 | -0.26% | 92 | 79 | City |
| Caribou | 4 | 7,224 | 7,403 | -0.71% | 91 | 79 | City |
| Houlton | 5 | 5,883 | 6,051 | -1.03% | 160 | 37 | Town |
| Fort Kent | 6 | 4,109 | 4,071 | -0.6% | 76 | 54 | Town |
| Madawaska | 7 | 3,818 | 3,866 | -0.34% | 69 | 56 | Town |
| Fort Fairfield | 8 | 3,247 | 3,320 | -0.7% | 42 | 77 | Town |
| Van Buren | 9 | 1,959 | 2,038 | -1.01% | 58 | 34 | Town |
| Mapleton | 10 | 1,905 | 1,888 | 0% | 56 | 34 | Town |
| Washburn | 11 | 1,496 | 1,524 | -0.47% | 44 | 34 | Town |
| Limestone | 12 | 1,470 | 1,518 | -0.88% | 36 | 40 | Town |
| Mars Hill | 13 | 1,315 | 1,355 | -0.08% | 37 | 35 | Town |
| Easton | 14 | 1,308 | 1,320 | -0.38% | 34 | 39 | Town |
| Hodgdon | 15 | 1,304 | 1,293 | -0.08% | 33 | 40 | Town |
| Woodland | 16 | 1,214 | 1,210 | -0.08% | 34 | 35 | Town |
| Ashland | 17 | 1,180 | 1,200 | -0.59% | 15 | 80 | Town |
| Frenchville | 18 | 1,014 | 1,048 | -0.78% | 36 | 29 | Town |
| Littleton | 19 | 999 | 1,002 | -0.4% | 26 | 38 | Town |
| Linneus | 20 | 953 | 945 | -0.1% | 22 | 44 | Town |
| Sherman | 21 | 799 | 812 | -0.5% | 20 | 40 | Town |
| Eagle Lake | 22 | 746 | 773 | -0.8% | 20 | 37 | Town |
| Island Falls | 23 | 739 | 755 | -0.67% | 21 | 36 | Town |
| Monticello | 24 | 723 | 733 | -0.41% | 19 | 38 | Town |
| St. Agatha | 25 | 723 | 727 | -0.69% | 24 | 30 | Town |
| Blaine | 26 | 651 | 662 | -0.76% | 35 | 19 | Town |
| Oakfield | 27 | 651 | 664 | -0.61% | 19 | 35 | Town |
| New Sweden | 28 | 564 | 579 | -0.7% | 16 | 35 | Town |
| New Limerick | 29 | 556 | 570 | -0.71% | 30 | 18 | Town |
| Bridgewater | 30 | 520 | 528 | -0.57% | 13 | 39 | Town |
| Wallagrass | 31 | 505 | 518 | -0.79% | 13 | 40 | Town |
| Chapman | 32 | 486 | 494 | -0.82% | 13 | 38 | Town |
| Westfield | 33 | 454 | 459 | -0.87% | 11 | 40 | Town |
| Smyrna | 34 | 445 | 446 | -0.89% | 13 | 35 | Town |
| Ludlow | 35 | 434 | 435 | -0.91% | 20 | 22 | Town |
| St. Francis | 36 | 425 | 436 | -0.7% | 14 | 30 | Town |
| Perham | 37 | 394 | 370 | 1.81% | 11 | 37 | Town |
| Castle Hill | 38 | 363 | 370 | -0.82% | 10 | 36 | Town |
| Grand Isle | 39 | 356 | 366 | -0.84% | 10 | 35 | Town |
| Portage Lake | 40 | 356 | 361 | -0.84% | 12 | 31 | Town |
| New Canada | 41 | 305 | 307 | -0.97% | 9 | 36 | Town |
| Caswell | 42 | 287 | 295 | -0.69% | 7 | 41 | Town |
| St. John | 43 | 259 | 265 | -0.77% | 5 | 50 | Plantation |
| Amity | 44 | 247 | 255 | -0.8% | 6 | 42 | Town |
| Stockholm | 45 | 245 | 251 | -0.81% | 7 | 34 | Town |
| Crystal | 46 | 242 | 248 | -0.82% | 6 | 40 | Town |
| Weston | 47 | 239 | 243 | -0.42% | 8 | 31 | Town |
| Allagash | 48 | 231 | 236 | -0.43% | 2 | 129 | Town |
| Wade | 49 | 228 | 230 | -0.87% | 6 | 36 | Town |
| Dyer Brook | 50 | 216 | 215 | 0.47% | 6 | 39 | Town |
| Merrill | 51 | 209 | 207 | 0% | 6 | 37 | Town |
| Masardis | 52 | 201 | 204 | -0.5% | 5 | 39 | Town |
| Winterville | 53 | 195 | 196 | 0% | 5 | 36 | Plantation |
| Hamlin | 54 | 161 | 164 | -0.62% | 7 | 23 | Town |
| Orient | 55 | 150 | 154 | -0.66% | 4 | 35 | Town |
| Reed | 56 | 125 | 126 | 0% | 2 | 59 | Plantation |
| Haynesville | 57 | 102 | 102 | 0% | 2 | 41 | Town |
| Hammond | 58 | 90 | 92 | -1.1% | 2 | 39 | Town |
| Westmanland | 59 | 81 | 80 | 0% | 2 | 36 | Town |
| Hersey | 60 | 80 | 74 | 1.27% | 2 | 40 | Town |
| Garfield | 61 | 79 | 80 | 0% | 2 | 38 | Plantation |
| Cyr | 62 | 78 | 79 | 0% | 2 | 38 | Plantation |
| Macwahoc | 63 | 60 | 63 | -1.64% | 2 | 29 | Plantation |
| Moro | 64 | 41 | 44 | -2.38% | 1 | 35 | Plantation |
| Nashville | 65 | 26 | 26 | 0% | 1 | 35 | Plantation |
| Glenwood | 66 | 4 | 4 | 0% | 0.00 | 38 | Plantation |
Presque Isle is the largest city in Aroostook County, with a population of 8,704.
Glenwood is the smallest city in Aroostook County, with a population of 4.
There are 66 cities in Aroostook County, Maine.