12 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Kemp Mill | Montgomery County | 14,725 |
| Kettering | Prince George's County | 14,032 |
| Kingsville | Baltimore County | 4,863 |
| Konterra | Montgomery County | 3,317 |
| Kensington | Montgomery County | 2,161 |
| Kingstown | Kent County | 1,852 |
| Keedysville | Washington County | 1,233 |
| Kent Narrows | Queen Anne's County | 425 |
| Kitzmiller | Garrett County | 286 |
| Kennedyville | Kent County | 204 |
| Klondike | Allegany County | 80 |
| Kemps Mill | Washington County | 52 |