| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Nantucket | 1 | 14,803 | 14,240 | 0.3% | 320 | 46 | Town |
Nantucket is the largest city in Nantucket County, with a population of 14,803.
Nantucket is the smallest city in Nantucket County, with a population of 14,803.
There is 1 city in Nantucket County, Massachusetts.