12 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Kemp Mill | Montgomery County | 14,869 |
| Kettering | Prince George's County | 14,114 |
| Kingsville | Baltimore County | 4,899 |
| Konterra | Montgomery County | 3,370 |
| Kensington | Montgomery County | 2,168 |
| Kingstown | Kent County | 1,860 |
| Keedysville | Washington County | 1,237 |
| Kent Narrows | Queen Anne's County | 416 |
| Kitzmiller | Garrett County | 284 |
| Kennedyville | Kent County | 204 |
| Klondike | Allegany County | 77 |
| Kemps Mill | Washington County | 47 |