19 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lunenburg | 1 | 1,264 | 1,250 | 0.4% | 28 | 45.17 | Town |
| Brighton | 2 | 1,247 | 1,155 | 0.16% | 24 | 52.87 | Town |
| Concord | 3 | 1,156 | 1,145 | 0.35% | 23 | 51.28 | Town |
| Canaan | 4 | 893 | 898 | -0.11% | 27 | 33.02 | Town |
| Island Pond | 5 | 744 | 758 | -0.67% | 177 | 4.20 | CDP |
| Lunenburg | 6 | 428 | 376 | 7.27% | 169 | 2.54 | CDP |
| East Haven | 7 | 275 | 272 | 0.36% | 7 | 37.25 | Town |
| Gilman | 8 | 268 | 159 | 7.2% | 605 | 0.44 | CDP |
| Canaan | 9 | 260 | 341 | -2.99% | 165 | 1.57 | CDP |
| Guildhall | 10 | 256 | 258 | 0% | 8 | 32.97 | Town |
| Bloomfield | 11 | 220 | 217 | 0.46% | 5 | 40.17 | Town |
| Maidstone | 12 | 206 | 210 | -0.48% | 7 | 30.70 | Town |
| Concord | 13 | 158 | 176 | -4.82% | 144 | 1.10 | CDP |
| Norton | 14 | 156 | 156 | 0% | 4 | 38.39 | Town |
| Lemington | 15 | 88 | 89 | 0% | 2 | 35.43 | Town |
| Brunswick | 16 | 84 | 85 | 0% | 3 | 24.79 | Town |
| Beecher Falls | 17 | 82 | 174 | -6.82% | 65 | 1.27 | CDP |
| Granby | 18 | 78 | 74 | 1.3% | 2 | 38.72 | Town |
| Victory | 19 | 72 | 70 | 1.41% | 2 | 42.95 | Town |
Lunenburg is the largest city in Essex County, with a population of 1,264.
Victory is the smallest city in Essex County, with a population of 72.
There are 19 cities in Essex County, Vermont.