14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chincoteague | 1 | 3,264 | 3,338 | -0.46% | 352 | 9 | Town |
| Onancock | 2 | 1,158 | 1,165 | -0.17% | 1,106 | 1 | Town |
| Parksley | 3 | 811 | 818 | -0.25% | 1,317 | 1 | Town |
| Onley | 4 | 537 | 536 | 0% | 671 | 1 | Town |
| Belle Haven | 5 | 535 | 539 | -0.19% | 349 | 2 | Town |
| Accomac | 6 | 515 | 519 | -0.19% | 1,262 | 0 | Town |
| Tangier | 7 | 433 | 432 | 0% | 800 | 1 | Town |
| Melfa | 8 | 400 | 399 | 0% | 1,375 | 0 | Town |
| Bloxom | 9 | 379 | 382 | -0.26% | 1,138 | 0 | Town |
| Painter | 10 | 271 | 274 | -0.37% | 416 | 1 | Town |
| Wachapreague | 11 | 257 | 260 | -0.39% | 1,152 | 0 | Town |
| Hallwood | 12 | 202 | 204 | -0.49% | 856 | 0 | Town |
| Saxis | 13 | 168 | 170 | -0.59% | 415 | 0 | Town |
| Keller | 14 | 143 | 145 | -0.69% | 418 | 0 | Town |
Chincoteague is the largest city in Accomack County, with a population of 3,264.
Keller is the smallest city in Accomack County, with a population of 143.
There are 14 cities in Accomack County, Virginia.