| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| D and K Mobile Home Park | city | Delaware | United States | 38.97 | -75.53 | 49 | |
| Dagsboro | city | Delaware | United States | 38.55 | -75.25 | 19 | |
| Danfield Acres | city | Delaware | United States | 38.68 | -75.24 | 22 | |
| Daniels Tract | city | Delaware | United States | 39.38 | -75.53 | 3 | |
| Darley Woods | city | Delaware | United States | 39.82 | -75.47 | 147 | |
| Dartmouth Woods | city | Delaware | United States | 39.83 | -75.51 | 298 | |
| Dartmouth Woods II | city | Delaware | United States | 39.83 | -75.52 | 351 | |
| Davis Corner | city | Delaware | United States | 39.17 | -75.68 | 45 | |
| Deacons Walk | city | Delaware | United States | 39.73 | -75.72 | 196 | |
| Deakyneville | city | Delaware | United States | 39.37 | -75.54 | 3 | |
| Deep Branch Farm | city | Delaware | United States | 39.43 | -75.71 | 49 | |
| Deer Creek | city | Delaware | United States | 38.79 | -75.59 | 39 | |
| Deer Run | city | Delaware | United States | 39.64 | -75.71 | 49 | |
| Deerhurst | city | Delaware | United States | 39.78 | -75.54 | 252 | |
| Deerwood | city | Delaware | United States | 38.72 | -75.30 | 36 | |
| Del Haven Estates | city | Delaware | United States | 39.05 | -75.50 | 3 | |
| Del Haven Estates | city | Delaware | United States | 39.06 | -75.50 | 3 | |
| Del Shire | city | Delaware | United States | 39.21 | -75.56 | 13 | |
| Delaire | city | Delaware | United States | 39.78 | -75.49 | 0 | |
| Delaney Corner | city | Delaware | United States | 39.30 | -75.75 | 49 | |
| Delaplane Manor | city | Delaware | United States | 39.70 | -75.71 | 55 | |
| Delaware City | city | Delaware | United States | 39.58 | -75.59 | 3 | |
| Delaware Heights | city | Delaware | United States | 39.83 | -75.62 | 400 | |
| Delaware Junction | city | Delaware | United States | 39.72 | -75.58 | 62 | |
| Delmar | city | Delaware | United States | 38.46 | -75.58 | 49 | |
| Delpark Manor | city | Delaware | United States | 39.72 | -75.66 | 59 | |
| Delshire | city | Delaware | United States | 39.21 | -75.56 | 16 | |
| Delwoods | city | Delaware | United States | 39.78 | -75.54 | 223 | |
| Delwynn | city | Delaware | United States | 39.81 | -75.53 | 308 | |
| Denton Manor | city | Delaware | United States | 38.56 | -75.11 | 6 | |
| Denton Mills | city | Delaware | United States | 38.55 | -75.12 | 13 | |
| Denton Woods Mobile Home Park | city | Delaware | United States | 38.56 | -75.10 | 3 | |
| Derby Shores | city | Delaware | United States | 39.09 | -75.57 | 36 | |
| Derbywood | city | Delaware | United States | 39.09 | -75.56 | 42 | |
| Devon | city | Delaware | United States | 39.67 | -75.77 | 98 | |
| Devon | city | Delaware | United States | 39.83 | -75.54 | 387 | |
| Devonshire | city | Delaware | United States | 39.83 | -75.54 | 387 | |
| Devonshire Woods | city | Delaware | United States | 38.66 | -75.64 | 29 | |
| Dewey Beach | city | Delaware | United States | 38.69 | -75.07 | 6 | |
| Dexter Corners | city | Delaware | United States | 39.33 | -75.70 | 49 | |
| Dinahs Corner | city | Delaware | United States | 39.19 | -75.64 | 45 | |
| Dobbinsville | city | Delaware | United States | 39.66 | -75.58 | 0 | |
| Dodds Addition | city | Delaware | United States | 38.70 | -75.08 | 6 | |
| Dogwood Acres | city | Delaware | United States | 38.54 | -75.58 | 19 | |
| Dogwood Acres Mobile Home Park | city | Delaware | United States | 38.56 | -75.19 | 9 | |
| Dogwood Meadows | city | Delaware | United States | 38.94 | -75.46 | 49 | |
| Dogwood Park Mobile Home Park | city | Delaware | United States | 38.64 | -75.31 | 19 | |
| Donas Landing | city | Delaware | United States | 39.21 | -75.43 | 3 | |
| Donovan Development | city | Delaware | United States | 38.76 | -75.14 | 16 | |
| Donovan Development | city | Delaware | United States | 38.91 | -75.45 | 19 | |
| Douglas Forge | city | Delaware | United States | 38.65 | -75.58 | 19 | |
| Dover | city | Delaware | United States | 39.16 | -75.52 | 19 | |
| Dover East Estates Mobile Home Park | city | Delaware | United States | 39.16 | -75.50 | 3 | |
| Dover Heights | city | Delaware | United States | 39.17 | -75.51 | 3 | |
| Dover i Delaware | city | Delaware | United States | 39.16 | -75.52 | 19 | |
| Doverbrook Gardens | city | Delaware | United States | 39.14 | -75.47 | 3 | |
| Doveris | city | Delaware | United States | 39.16 | -75.52 | 19 | |
| Doverės | city | Delaware | United States | 39.16 | -75.52 | 19 | |
| Downs Chapel | city | Delaware | United States | 39.21 | -75.72 | 45 | |
| Dragon Run Terrace Mobile Home Park | city | Delaware | United States | 39.56 | -75.69 | 49 | |
| Drawbridge | city | Delaware | United States | 38.79 | -75.25 | 3 | |
| Driftwood Village Mobile Home Park | city | Delaware | United States | 38.61 | -75.20 | 6 | |
| Drummond North | city | Delaware | United States | 39.73 | -75.72 | 196 | |
| Drummond Ridge | city | Delaware | United States | 39.72 | -75.70 | 98 | |
| Dublin Hill | city | Delaware | United States | 38.75 | -75.65 | 49 | |
| Duck Creek Landing | city | Delaware | United States | 39.32 | -75.57 | 9 | |
| Dunbarton Oaks Apartments | city | Delaware | United States | 38.69 | -75.40 | 49 | |
| Duncan Glen | city | Delaware | United States | 39.74 | -75.65 | 104 | |
| Duncan Village | city | Delaware | United States | 39.73 | -75.64 | 88 | |
| Duncan Woods | city | Delaware | United States | 39.74 | -75.64 | 82 | |
| Dunleith | city | Delaware | United States | 39.71 | -75.56 | 49 | |
| Dunlinden Acres | city | Delaware | United States | 39.74 | -75.65 | 82 | |
| Dupont | city | Delaware | United States | 39.19 | -75.56 | 19 | |
| Dupont Manor | city | Delaware | United States | 39.20 | -75.55 | 9 | |
| Duponts Landing | city | Delaware | United States | 39.75 | -75.49 | 0 | |
| Duross Heights | city | Delaware | United States | 39.68 | -75.62 | 49 | |
| Duross Heights | city | Delaware | United States | 39.68 | -75.63 | 49 | |
| Dutch Acres | city | Delaware | United States | 38.75 | -75.18 | 19 | |
| Dutch Neck Crossroads | city | Delaware | United States | 39.29 | -75.52 | 3 | |
| Dutch Neck Farms | city | Delaware | United States | 39.53 | -75.63 | 49 |