16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Morristown | 1 | 6,255 | 5,440 | 3.18% | 123 | 50.78 | Town |
| Stowe | 2 | 5,199 | 5,228 | -0.59% | 72 | 72.46 | Town |
| Johnson | 3 | 3,302 | 3,490 | -1.46% | 73 | 45.32 | Town |
| Hyde Park | 4 | 2,882 | 3,014 | -1.47% | 77 | 37.67 | Town |
| Morrisville | 5 | 2,444 | 2,168 | 2.3% | 1,249 | 1.96 | Village |
| Wolcott | 6 | 1,661 | 1,669 | -0.24% | 43 | 38.95 | Town |
| Johnson | 7 | 1,306 | 1,358 | -0.76% | 1,119 | 1.17 | Village |
| Eden | 8 | 1,254 | 1,340 | -1.72% | 20 | 62.92 | Town |
| Elmore | 9 | 862 | 881 | -0.81% | 22 | 38.93 | Town |
| Stowe | 10 | 778 | 600 | 2.5% | 1,009 | 0.77 | CDP |
| Jeffersonville | 11 | 742 | 777 | -0.93% | 956 | 0.78 | Village |
| Waterville | 12 | 650 | 692 | -1.66% | 41 | 15.69 | Town |
| North Hyde Park | 13 | 494 | 422 | 7.16% | 178 | 2.78 | CDP |
| Hyde Park | 14 | 421 | 430 | -0.47% | 367 | 1.15 | Village |
| Belvidere | 15 | 332 | 355 | -1.78% | 9 | 35.60 | Town |
| Wolcott | 16 | 214 | 180 | 7% | 240 | 0.89 | CDP |
Morristown is the largest city in Lamoille County, with a population of 6,255.
Wolcott is the smallest city in Lamoille County, with a population of 214.
There are 16 cities in Lamoille County, Vermont.