16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chesapeake Ranch Estates | 1 | 9,889 | 9,579 | -0.42% | 2,290 | 4 | CDP |
| Chesapeake Beach | 2 | 6,539 | 6,351 | 0.54% | 2,428 | 3 | Town |
| Chesapeake Beach | 3 | 6,539 | 6,361 | 0.54% | 2,428 | 3 | Town |
| Huntingtown | 4 | 3,534 | 3,029 | 7.16% | 438 | 8 | CDP |
| Drum Point | 5 | 3,041 | 2,534 | 0.7% | 1,826 | 2 | CDP |
| Dunkirk | 6 | 2,846 | 2,175 | 7.15% | 432 | 7 | CDP |
| Lusby | 7 | 2,479 | 2,180 | 1.77% | 706 | 4 | CDP |
| Prince Frederick | 8 | 2,479 | 2,709 | -0.16% | 677 | 4 | CDP |
| Owings | 9 | 2,433 | 2,483 | 0.79% | 618 | 4 | CDP |
| Solomons | 10 | 2,210 | 2,470 | -0.5% | 1,110 | 2 | CDP |
| North Beach | 11 | 2,187 | 2,140 | 0.41% | 6,647 | 0 | Town |
| North Beach | 12 | 2,187 | 2,141 | 0.41% | 6,647 | 0 | Town |
| Long Beach | 13 | 1,746 | 1,979 | -0.29% | 1,046 | 2 | CDP |
| Calvert Beach | 14 | 1,081 | 860 | 1.79% | 1,312 | 1 | CDP |
| St. Leonard | 15 | 571 | 549 | -1.89% | 250 | 2 | CDP |
| Broomes Island | 16 | 554 | 513 | 1.84% | 762 | 1 | CDP |
Chesapeake Ranch Estates is the largest city in Calvert County, with a population of 9,889.
Broomes Island is the smallest city in Calvert County, with a population of 554.
There are 16 cities in Calvert County, Maryland.