19 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Brighton | 1 | 1,270 | 1,156 | 1.2% | 24 | 53 | Town |
| Lunenburg | 2 | 1,268 | 1,255 | 0.48% | 28 | 45 | Town |
| Concord | 3 | 1,159 | 1,139 | 0.87% | 23 | 51 | Town |
| Canaan | 4 | 900 | 898 | 0.45% | 27 | 33 | Town |
| Island Pond | 5 | 744 | 758 | -0.67% | 177 | 4 | CDP |
| Lunenburg | 6 | 428 | 376 | 7.27% | 169 | 3 | CDP |
| East Haven | 7 | 274 | 272 | 0.37% | 7 | 37 | Town |
| Gilman | 8 | 268 | 159 | 7.2% | 605 | 0 | CDP |
| Canaan | 9 | 260 | 341 | -2.99% | 165 | 2 | CDP |
| Guildhall | 10 | 257 | 258 | 0.39% | 8 | 33 | Town |
| Bloomfield | 11 | 221 | 217 | 0.45% | 6 | 40 | Town |
| Maidstone | 12 | 209 | 210 | 0.48% | 7 | 31 | Town |
| Norton | 13 | 159 | 156 | 1.27% | 4 | 38 | Town |
| Concord | 14 | 158 | 176 | -4.82% | 144 | 1 | CDP |
| Brunswick | 15 | 87 | 86 | 1.16% | 4 | 25 | Town |
| Lemington | 16 | 87 | 88 | 0% | 2 | 35 | Town |
| Beecher Falls | 17 | 82 | 174 | -6.82% | 65 | 1 | CDP |
| Granby | 18 | 80 | 77 | 1.27% | 2 | 39 | Town |
| Victory | 19 | 72 | 70 | 1.41% | 2 | 43 | Town |
Brighton is the largest city in Essex County, with a population of 1,270.
Victory is the smallest city in Essex County, with a population of 72.
There are 19 cities in Essex County, Vermont.