| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Kawan Acres | city | Delaware | United States | 38.66 | -75.30 | 26 | |
| Keen-Wik | city | Delaware | United States | 38.46 | -75.09 | 3 | |
| Keeney | city | Delaware | United States | 39.62 | -75.70 | 49 | |
| Keenwik Sound | city | Delaware | United States | 38.47 | -75.11 | 3 | |
| Keenwik West | city | Delaware | United States | 38.47 | -75.10 | 3 | |
| Kenmore Park | city | Delaware | United States | 38.66 | -75.58 | 3 | |
| Kent Acres | city | Delaware | United States | 39.13 | -75.52 | 19 | |
| Kentbourne II | city | Delaware | United States | 39.29 | -75.69 | 45 | |
| Kentmere | city | Delaware | United States | 39.77 | -75.56 | 101 | |
| Kenton | city | Delaware | United States | 39.23 | -75.66 | 49 | |
| Kerseys Evergreen Acres | city | Delaware | United States | 38.56 | -75.28 | 19 | |
| Kershaw Acres | city | Delaware | United States | 39.82 | -75.51 | 314 | |
| Keystone | city | Delaware | United States | 39.73 | -75.61 | 88 | |
| Kiamensi | city | Delaware | United States | 39.72 | -75.64 | 68 | |
| Kiamensi Gardens | city | Delaware | United States | 39.72 | -75.64 | 75 | |
| Kiamensi Heights | city | Delaware | United States | 39.72 | -75.63 | 59 | |
| Killens Addition | city | Delaware | United States | 38.70 | -75.08 | 6 | |
| Kimberly Chase | city | Delaware | United States | 39.83 | -75.53 | 383 | |
| Kimberton | city | Delaware | United States | 39.68 | -75.73 | 49 | |
| Kings Cliff Mobile Home Park | city | Delaware | United States | 39.14 | -75.50 | 3 | |
| Kings Croft | city | Delaware | United States | 39.62 | -75.67 | 49 | |
| Kings Crossroads | city | Delaware | United States | 38.75 | -75.45 | 39 | |
| Kings Grant | city | Delaware | United States | 38.49 | -75.05 | 3 | |
| Kings Ridge | city | Delaware | United States | 39.82 | -75.50 | 298 | |
| Kings Second Addition | city | Delaware | United States | 38.69 | -75.40 | 49 | |
| Kinston Acres | city | Delaware | United States | 39.62 | -75.66 | 49 | |
| Kirkwood | city | Delaware | United States | 39.57 | -75.70 | 49 | |
| Kirkwood Gardens | city | Delaware | United States | 39.75 | -75.65 | 134 | |
| Kitts Hummock | city | Delaware | United States | 39.10 | -75.40 | 0 | |
| Klair Estate | city | Delaware | United States | 39.72 | -75.65 | 78 | |
| Knotts Landing | city | Delaware | United States | 38.94 | -75.44 | 39 | |
| Knowles Crossroads | city | Delaware | United States | 38.65 | -75.45 | 49 | |
| KynLyn Apartments | city | Delaware | United States | 39.76 | -75.49 | 3 |