| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Conway | 1 | 10,333 | 9,843 | 0.24% | 149 | 69 | Town |
| Wolfeboro | 2 | 6,667 | 6,436 | 0.45% | 139 | 48 | Town |
| Wakefield | 3 | 5,574 | 5,240 | 0.29% | 141 | 40 | Town |
| Moultonborough | 4 | 5,338 | 4,938 | 0.85% | 89 | 60 | Town |
| Ossipee | 5 | 4,632 | 4,349 | 0.72% | 66 | 70 | Town |
| Bartlett | 6 | 3,346 | 3,199 | 0.33% | 45 | 75 | Town |
| Tamworth | 7 | 2,883 | 2,831 | -0.41% | 48 | 60 | Town |
| Madison | 8 | 2,731 | 2,578 | 0.11% | 71 | 38 | Town |
| Tuftonboro | 9 | 2,716 | 2,475 | 1.42% | 67 | 41 | Town |
| Effingham | 10 | 1,836 | 1,701 | 0.93% | 47 | 39 | Town |
| Freedom | 11 | 1,699 | 1,690 | -0.47% | 49 | 35 | Town |
| Sandwich | 12 | 1,554 | 1,472 | 0.39% | 17 | 91 | Town |
| Jackson | 13 | 1,093 | 1,033 | 1.02% | 16 | 67 | Town |
| Brookfield | 14 | 828 | 755 | 0.36% | 36 | 23 | Town |
| Albany | 15 | 778 | 761 | -0.38% | 10 | 75 | Town |
| Eaton | 16 | 430 | 406 | 0.23% | 18 | 24 | Town |
| Chatham | 17 | 356 | 348 | -0.28% | 6.0 | 57 | Town |
| Hart's Location | 18 | 71 | 63 | 4.41% | 4.0 | 19 | Town |
Conway is the largest city in Carroll County, with a population of 10,333.
Hart's Location is the smallest city in Carroll County, with a population of 71.
There are 18 cities in Carroll County, New Hampshire.