Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Foxfire | Populated Place | 76 | New Castle | 39 44 00 N | 075 42 49 W |
| Foxfire Meadow | Populated Place | 3 | Sussex | 38 31 32 N | 075 04 59 W |
| Foxhall Courtside | Populated Place | 13 | Kent | 39 10 36 N | 075 35 16 W |
| Fraland Beach | Beach | 2 | Kent | 39 18 55 N | 075 26 59 W |
| Fraland Cove | Bay | -2 | Kent | 39 19 04 N | 075 26 57 W |
| Frames Cove | Bay | 3 | Sussex | 38 35 36 N | 075 11 29 W |
| Frames Point | Cape | -8 | Sussex | 38 35 29 N | 075 11 44 W |
| Frankford | Populated Place | 10 | Sussex | 38 31 02 N | 075 14 06 W |
| Frankford Elementary School | School | 10 | Sussex | 38 31 10 N | 075 13 24 W |
| Frankford United Methodist Church | Church | 10 | Sussex | 38 31 05 N | 075 14 09 W |
| Frasers Corner | Populated Place | 18 | New Castle | 39 34 47 N | 075 45 59 W |
| Frederica | Populated Place | 5 | Kent | 39 00 32 N | 075 27 57 W |
| Frederica First Baptist Church | Church | 5 | Kent | 38 59 55 N | 075 27 13 W |
| Frederick Acres | Populated Place | 12 | Sussex | 38 36 00 N | 075 30 42 W |
| Frederick Douglass Intermediate School | School | 6 | Sussex | 38 38 46 N | 075 36 13 W |
| Frederick Douglass Stubbs School | School | 4 | New Castle | 39 44 38 N | 075 32 23 W |
| Fredericks Addition (subdivision) | Populated Place | 29 | New Castle | 39 44 25 N | 075 36 39 W |
| Fredrick Lodge Mobile Home Park | Populated Place | 16 | New Castle | 39 21 20 N | 075 38 46 W |
| Freeman Corner | Populated Place | 12 | Sussex | 38 53 12 N | 075 27 26 W |
| Freidel Prong | Stream | | Sussex | 38 41 29 N | 075 37 60 W |
| Frenchs Mobile Homes | Populated Place | 3 | Kent | 39 00 28 N | 075 21 60 W |
| Fresh Pond | Lake | 1 | Sussex | 38 34 06 N | 075 03 57 W |
| Friedel Property | Populated Place | 6 | Sussex | 38 39 25 N | 075 34 48 W |
| Friends Meetinghouse | Church | 24 | New Castle | 39 44 31 N | 075 33 15 W |
| Friends Meetinghouse Cemetery | Cemetery | 7 | Kent | 39 10 32 N | 075 27 59 W |
| Friendship Baptist Church | Church | 22 | New Castle | 39 44 36 N | 075 33 22 W |
| Friendship Baptist Church | Church | 21 | New Castle | 39 36 29 N | 075 44 52 W |
| Friendship Church | Church | 4 | Sussex | 38 46 34 N | 075 08 51 W |
| Friendship School | School | 3 | Sussex | 38 38 21 N | 075 10 29 W |
| Friendship United Methodist Church | Church | 3 | New Castle | 39 21 59 N | 075 34 09 W |
| Friendship United Methodist Church | Church | 5 | Sussex | 38 38 12 N | 075 12 11 W |
| Full Gospel Holiness Church | Church | 5 | Sussex | 38 52 17 N | 075 21 51 W |
| Galewood | Populated Place | 88 | New Castle | 39 47 30 N | 075 31 34 W |
| Gallaher School Park | Park | 25 | New Castle | 39 40 45 N | 075 40 34 W |
| Gambles Gut | Gut | 0 | New Castle | 39 38 14 N | 075 36 09 W |
| Gams Crest | Populated Place | 15 | New Castle | 39 33 00 N | 075 38 49 W |
| Gander Hill | Populated Place | 15 | New Castle | 39 25 05 N | 075 40 01 W |
| Garfield Park | Populated Place | 20 | New Castle | 39 42 07 N | 075 33 21 W |
| Garrisons Lake | Reservoir | 3 | Kent | 39 14 36 N | 075 35 19 W |
| Garrisons Lake Dam | Dam | 3 | Kent | 39 14 36 N | 075 35 19 W |
| Garton Development | Populated Place | 15 | Kent | 39 06 45 N | 075 33 34 W |
| Garwood Estates | Populated Place | 16 | New Castle | 39 36 48 N | 075 39 31 W |
| Gateway Farms | Populated Place | 80 | New Castle | 39 46 37 N | 075 41 23 W |
| General Henry H Arnold Elementary School (historical) | School | 6 | Kent | 39 06 58 N | 075 29 07 W |
| Generals Greene | Populated Place | 0 | Kent | 39 07 33 N | 075 25 01 W |
| George Meyers Development | Populated Place | 5 | Kent | 39 05 23 N | 075 29 54 W |
| George Read Junior High School | School | 19 | New Castle | 39 40 36 N | 075 35 10 W |
| George V Kirk Middel School | School | 24 | New Castle | 39 40 27 N | 075 42 36 W |
| Georges Island | Island | 0 | Kent | 39 15 28 N | 075 27 07 W |
| Georgetown | Populated Place | 16 | Sussex | 38 41 24 N | 075 23 08 W |
| Georgetown Christian School | School | 15 | Sussex | 38 41 55 N | 075 23 21 W |
| Georgetown Elementary School | School | 15 | Sussex | 38 41 06 N | 075 23 28 W |
| Georgetown Hundred | Civil | 14 | Sussex | 38 40 00 N | 075 22 59 W |
| Georgetown-Vaughn Ditch | Stream | | Sussex | 38 42 27 N | 075 27 08 W |
| Georgian Terrace | Populated Place | 42 | New Castle | 39 46 15 N | 075 30 49 W |
| Gethsemane United Methodist Church | Church | 13 | Sussex | 38 38 07 N | 075 42 26 W |
| Gilbert Trivitts Ditch | Stream | | Sussex | 38 41 21 N | 075 37 31 W |
| Gill Branch | Stream | | Sussex | 38 30 23 N | 075 33 55 W |
| Gills Branch | Stream | | Sussex | 38 39 02 N | 075 19 26 W |
| Gills Neck | Cape | 5 | Sussex | 38 45 39 N | 075 07 20 W |
| Ginns Corners | Locale | 20 | New Castle | 39 23 52 N | 075 41 04 W |
| Glade Branch | Stream | | Sussex | 38 46 36 N | 075 35 11 W |
| Glasgow | Populated Place | 22 | New Castle | 39 36 17 N | 075 44 43 W |
| Glasgow Court | Populated Place | 20 | New Castle | 39 37 20 N | 075 41 54 W |
| Glasgow High School | School | 25 | New Castle | 39 37 48 N | 075 44 29 W |
| Glasgow Pines | Populated Place | 18 | New Castle | 39 37 00 N | 075 42 39 W |
| Glasgow Reformed Presbyterian Church | Church | 27 | New Castle | 39 35 05 N | 075 44 29 W |
| Glasgow Station | Locale | 21 | New Castle | 39 36 35 N | 075 42 26 W |
| Glebe Cemetery | Cemetery | 3 | New Castle | 39 40 05 N | 075 33 29 W |
| Glen Berne Estates | Populated Place | 9 | New Castle | 39 43 00 N | 075 37 59 W |
| Glendale | Populated Place | 20 | New Castle | 39 37 37 N | 075 40 07 W |
| Glendale Park | Park | 58 | New Castle | 39 42 34 N | 075 43 30 W |
| Glendale Park | Park | 22 | New Castle | 39 37 28 N | 075 40 19 W |
| Glenside Farms (subdivision) | Populated Place | 80 | New Castle | 39 47 34 N | 075 30 31 W |
| Glenville | Populated Place | 6 | New Castle | 39 42 45 N | 075 38 24 W |
| Golden Thicket (historical) | Area | 19 | Kent | 39 02 30 N | 075 34 19 W |
| Goldsboro | Populated Place | 7 | Kent | 39 09 24 N | 075 31 11 W |
| Good Shepherd Lutheran Church | Church | 114 | New Castle | 39 48 15 N | 075 31 06 W |
| Goose Island Flats | Bar | -3 | New Castle | 39 36 16 N | 075 34 03 W |
| Goose Island Flats | Bar | -13 | New Castle | 39 36 15 N | 075 33 44 W |
| Goose Point | Cape | -2 | Kent | 39 15 03 N | 075 24 07 W |
| Goose Point | Cape | 3 | New Castle | 39 32 12 N | 075 46 30 W |
| Goose Point | Cape | 0 | Sussex | 38 30 07 N | 075 03 56 W |
| Goose Point | Populated Place | 14 | New Castle | 39 32 33 N | 075 46 26 W |
| Goose Pond | Lake | -3 | Sussex | 38 29 43 N | 075 03 55 W |
| Goose Pond | Lake | 0 | Sussex | 38 49 12 N | 075 16 22 W |
| Goose Pond | Lake | 1 | Sussex | 38 51 09 N | 075 15 57 W |
| Gordon Branch | Stream | | Sussex | 38 32 15 N | 075 30 47 W |
| Gordon Heights | Populated Place | 39 | New Castle | 39 45 35 N | 075 30 34 W |
| Gordon Pond | Swamp | 0 | Sussex | 38 45 05 N | 075 05 29 W |
| Gordon Pond Wildlife Area | Park | 1 | Sussex | 38 45 10 N | 075 05 29 W |
| Gordy Estates | Populated Place | 25 | New Castle | 39 43 30 N | 075 36 44 W |
| Goshen United Methodist Church | Church | 5 | Sussex | 38 46 39 N | 075 18 39 W |
| Goslee Creek | Stream | | Sussex | 38 43 26 N | 075 11 16 W |
| Goslee Mill | Populated Place | 1 | Sussex | 38 43 06 N | 075 11 20 W |
| Goslee Mill Pond | Reservoir | 0 | Sussex | 38 43 07 N | 075 11 19 W |
| Goslee Mill Pond Dam | Dam | 0 | Sussex | 38 43 07 N | 075 11 19 W |
| Gospel Chapel | Church | 20 | Kent | 39 07 31 N | 075 37 57 W |
| Gospel Light Tabernacle Church | Church | 27 | New Castle | 39 44 22 N | 075 35 30 W |
| Governor Bacon Health Center | Hospital | 2 | New Castle | 39 34 21 N | 075 35 02 W |
| Grace Baptist Church | Church | 10 | Sussex | 38 38 56 N | 075 37 48 W |
| Grace Church | Church | 10 | Sussex | 38 47 00 N | 075 18 49 W |
| Grace Episcopal Church | Church | 118 | New Castle | 39 49 20 N | 075 32 50 W |
| Grace Orthodox Presbyterian Church | Church | 21 | New Castle | 39 27 03 N | 075 43 06 W |
| Grace Presbyterian Church | Church | 13 | Kent | 39 10 27 N | 075 33 11 W |
| Grace United Methodist Church | Church | 7 | Sussex | 38 35 24 N | 075 17 28 W |
| Grace United Methodist Church Preschool | School | 31 | New Castle | 39 44 45 N | 075 33 06 W |
| Gracelawn Memorial Park | Cemetery | 25 | New Castle | 39 41 58 N | 075 34 04 W |
| Graham African Methodist Episcopal Church | Church | 15 | Sussex | 38 48 44 N | 075 35 36 W |
| Graham Branch | Stream | | Sussex | 38 37 55 N | 075 33 40 W |