| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cambridge | 1 | 13,511 | 13,095 | 0.4% | 1,269 | 11 | City |
| Hurlock | 2 | 2,130 | 2,072 | 0.33% | 798 | 3 | Town |
| Secretary | 3 | 473 | 467 | 0% | 1,625 | 0 | Town |
| East New Market | 4 | 418 | 401 | 0.48% | 1,045 | 0 | Town |
| Vienna | 5 | 280 | 270 | 0.36% | 366 | 1 | Town |
| Church Creek | 6 | 104 | 100 | 0% | 309 | 0 | Town |
| Brookview | 7 | 46 | 45 | 0% | 1,070 | 0 | Town |
| Eldorado | 8 | 46 | 45 | 0% | 630 | 0 | Town |
Cambridge is the largest city in Dorchester County, with a population of 13,511.
Eldorado is the smallest city in Dorchester County, with a population of 46.
There are 8 cities in Dorchester County, Maryland.