18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Salisbury | 1 | 33,777 | 32,971 | 0.48% | 2,446 | 14 | City |
| Fruitland | 2 | 6,083 | 5,533 | 1.84% | 1,578 | 4 | City |
| Delmar | 3 | 4,964 | 3,881 | 4.55% | 2,922 | 2 | Town |
| Pittsville | 4 | 1,667 | 1,631 | 0.42% | 1,069 | 2 | Town |
| Hebron | 5 | 1,116 | 1,104 | 0.18% | 851 | 1 | Town |
| Willards | 6 | 1,015 | 965 | 1% | 893 | 1 | Town |
| Sharptown | 7 | 715 | 693 | 0.56% | 1,686 | 0 | Town |
| Nanticoke | 8 | 382 | 228 | 2.69% | 145 | 3 | CDP |
| Mardela Springs | 9 | 354 | 351 | 0% | 872 | 0 | Town |
| Whitehaven | 10 | 204 | 168 | 7.37% | 553 | 0 | CDP |
| Quantico | 11 | 187 | 199 | 2.19% | 89 | 2 | CDP |
| Nanticoke Acres | 12 | 173 | 34 | 2.98% | 658 | 0 | CDP |
| Parsonsburg | 13 | 165 | 287 | -6.78% | 126 | 1 | CDP |
| Allen | 14 | 148 | 419 | -2.63% | 342 | 0 | CDP |
| Powellville | 15 | 128 | 109 | -3.03% | 81 | 2 | CDP |
| Bivalve | 16 | 82 | 122 | -8.89% | 56 | 1 | CDP |
| Tyaskin | 17 | 76 | 170 | -12.64% | 53 | 1 | CDP |
| Jesterville | 18 | 43 | 222 | -18.87% | 27 | 2 | CDP |
Salisbury is the largest city in Wicomico County, with a population of 33,777.
Jesterville is the smallest city in Wicomico County, with a population of 43.
There are 18 cities in Wicomico County, Maryland.