| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chincoteague | 1 | 3,301 | 3,339 | -0.24% | 356 | 9 | Town |
| Onancock | 2 | 1,178 | 1,169 | 0.08% | 1,125 | 1 | Town |
| Parksley | 3 | 824 | 817 | 0.12% | 1,338 | 1 | Town |
| Belle Haven | 4 | 544 | 543 | 0% | 355 | 2 | Town |
| Onley | 5 | 542 | 533 | 0.18% | 678 | 1 | Town |
| Accomac | 6 | 523 | 518 | 0.19% | 1,282 | 0 | Town |
| Tangier | 7 | 443 | 435 | 0.23% | 819 | 1 | Town |
| Melfa | 8 | 406 | 398 | 0.25% | 1,395 | 0 | Town |
| Bloxom | 9 | 386 | 382 | 0% | 1,159 | 0 | Town |
| Painter | 10 | 278 | 274 | 0% | 427 | 1 | Town |
| Wachapreague | 11 | 257 | 256 | 0% | 1,152 | 0 | Town |
| Hallwood | 12 | 208 | 206 | 0% | 881 | 0 | Town |
| Saxis | 13 | 169 | 167 | 0% | 417 | 0 | Town |
| Keller | 14 | 145 | 144 | 0% | 424 | 0 | Town |
Chincoteague is the largest city in Accomack County, with a population of 3,301.
Keller is the smallest city in Accomack County, with a population of 145.
There are 14 cities in Accomack County, Virginia.