Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Valley Run | Populated Place | 60 | New Castle | 39 49 04 N | 075 28 13 W |
| Amimenipatj (historical) | Locale | 59 | New Castle | 39 46 00 N | 075 29 59 W |
| Drummond North | Populated Place | 59 | New Castle | 39 43 35 N | 075 42 59 W |
| First Presbyterian Church | Church | 59 | New Castle | 39 41 10 N | 075 45 54 W |
| Newark Country Club | Locale | 59 | New Castle | 39 41 25 N | 075 45 59 W |
| Rockland | Populated Place | 59 | New Castle | 39 47 46 N | 075 34 20 W |
| Skyline Crest | Populated Place | 59 | New Castle | 39 43 30 N | 075 41 04 W |
| The Wedge | Area | 59 | New Castle | 39 42 30 N | 075 46 59 W |
| Bellevue State Park | Park | 58 | New Castle | 39 46 45 N | 075 29 44 W |
| Glendale Park | Park | 58 | New Castle | 39 42 34 N | 075 43 30 W |
| Iron Hill | Populated Place | 58 | New Castle | 39 38 00 N | 075 45 14 W |
| Nottingham Manor | Populated Place | 58 | New Castle | 39 41 05 N | 075 45 59 W |
| Saint Patrick Church (historical) | Church | 58 | New Castle | 39 48 19 N | 075 39 15 W |
| Silverside | Populated Place | 58 | New Castle | 39 47 35 N | 075 29 25 W |
| Wembly (subdivision) | Populated Place | 58 | New Castle | 39 47 33 N | 075 29 17 W |
| Wesleyan Church of Newark | Church | 58 | New Castle | 39 41 31 N | 075 47 13 W |
| Arbour Park | Populated Place | 57 | New Castle | 39 39 15 N | 075 45 54 W |
| Bellefonte | Populated Place | 57 | New Castle | 39 45 58 N | 075 30 34 W |
| Bible Baptist Church | Church | 57 | New Castle | 39 48 52 N | 075 28 14 W |
| Brookmeade | Populated Place | 57 | New Castle | 39 45 15 N | 075 37 44 W |
| Mill Creek Hundred | Civil | 57 | New Castle | 39 46 00 N | 075 40 59 W |
| Saint Anthony of Padua Church | Church | 57 | New Castle | 39 45 09 N | 075 33 60 W |
| Saint Anthony of Padua School | School | 57 | New Castle | 39 45 07 N | 075 34 03 W |
| Arundel | Populated Place | 56 | New Castle | 39 44 10 N | 075 40 04 W |
| Deacons Walk | Populated Place | 56 | New Castle | 39 43 30 N | 075 42 59 W |
| Montgomery Woods | Populated Place | 56 | New Castle | 39 47 50 N | 075 40 09 W |
| Mount Pleasant Junior High School | School | 56 | New Castle | 39 46 14 N | 075 29 47 W |
| Sandy Bray | Summit | 56 | New Castle | 39 37 40 N | 075 46 41 W |
| West Haven | Populated Place | 56 | New Castle | 39 45 35 N | 075 35 29 W |
| Wycliff (subdivision) | Populated Place | 56 | New Castle | 39 47 20 N | 075 29 29 W |
| Augustine Hills | Populated Place | 55 | New Castle | 39 45 49 N | 075 33 02 W |
| Pennyhill Terrace | Populated Place | 55 | New Castle | 39 45 50 N | 075 30 29 W |
| Mount Olive Cemetery | Cemetery | 54 | New Castle | 39 45 27 N | 075 35 50 W |
| Anglesey | Populated Place | 53 | New Castle | 39 45 32 N | 075 36 58 W |
| Hillcrest | Populated Place | 53 | New Castle | 39 45 46 N | 075 30 24 W |
| Wilmington Christian School | School | 53 | New Castle | 39 45 35 N | 075 34 26 W |
| Yorklyn | Populated Place | 53 | New Castle | 39 48 29 N | 075 40 32 W |
| Head of Christiana Presbyterian Church | Church | 52 | New Castle | 39 41 25 N | 075 46 47 W |
| Highlands Elementary School | School | 52 | New Castle | 39 45 42 N | 075 33 57 W |
| Oakland | Populated Place | 52 | New Castle | 39 40 50 N | 075 45 54 W |
| Westminster | Populated Place | 52 | New Castle | 39 45 25 N | 075 38 49 W |
| Alapocas Woods Park | Park | 51 | New Castle | 39 46 16 N | 075 33 45 W |
| Chapel Hill | Populated Place | 51 | New Castle | 39 42 05 N | 075 43 52 W |
| Fairfield Crest | Populated Place | 51 | New Castle | 39 41 45 N | 075 45 44 W |
| Limestone Hills Park | Park | 51 | New Castle | 39 45 15 N | 075 40 44 W |
| Marguerite H Burnett Junior High School | School | 51 | New Castle | 39 46 05 N | 075 32 04 W |
| Middle Run Valley Park | Park | 51 | New Castle | 39 43 30 N | 075 43 04 W |
| Silverbrook United Methodist Church | Church | 51 | New Castle | 39 45 21 N | 075 35 42 W |
| Wawaset Park | Populated Place | 51 | New Castle | 39 45 20 N | 075 34 29 W |
| Wesleyan Church | Church | 51 | New Castle | 39 45 09 N | 075 34 21 W |
| Arc Corner | Locale | 50 | New Castle | 39 43 19 N | 075 46 25 W |
| Ashbourne Hills | Populated Place | 50 | New Castle | 39 48 35 N | 075 28 04 W |
| Silverbrook Cemetery | Cemetery | 50 | New Castle | 39 45 06 N | 075 35 29 W |
| Westminster Presbyterian Church | Church | 50 | New Castle | 39 45 15 N | 075 33 44 W |
| Brandywine Springs | Populated Place | 49 | New Castle | 39 44 40 N | 075 38 39 W |
| Brandywine Springs Post Office (historical) | Post Office | 49 | New Castle | 39 44 40 N | 075 38 39 W |
| Christina Manor | Populated Place | 49 | New Castle | 39 40 45 N | 075 47 14 W |
| Cooper Farm | Populated Place | 49 | New Castle | 39 44 25 N | 075 38 29 W |
| Fairfield Crest Park | Park | 49 | New Castle | 39 41 43 N | 075 45 48 W |
| Ferris Industrial School | School | 49 | New Castle | 39 45 02 N | 075 36 46 W |
| Sunnybrook School for the Blind | School | 49 | New Castle | 39 45 01 N | 075 38 52 W |
| Wilmington High School | School | 49 | New Castle | 39 45 12 N | 075 35 14 W |
| Carpenter | Populated Place | 48 | New Castle | 39 49 06 N | 075 27 52 W |
| Chestnut Run Helistop | Airport | 48 | New Castle | 39 45 10 N | 075 36 29 W |
| Covered Bridge Farms | Populated Place | 48 | New Castle | 39 42 00 N | 075 46 59 W |
| Iron Hill School | School | 48 | New Castle | 39 37 53 N | 075 45 30 W |
| New Castle County Detention Center | Building | 48 | New Castle | 39 45 03 N | 075 36 45 W |
| Old Du Pont Airport Helistop | Airport | 48 | New Castle | 39 45 30 N | 075 35 59 W |
| R.O.M.P. Discovery Center | School | 48 | New Castle | 39 45 53 N | 075 32 38 W |
| Ridgewood | Populated Place | 48 | New Castle | 39 46 00 N | 075 30 44 W |
| Rockwood Woods | Populated Place | 48 | New Castle | 39 46 26 N | 075 31 31 W |
| Saint Anns School | School | 48 | New Castle | 39 45 42 N | 075 33 49 W |
| West Park | Populated Place | 48 | New Castle | 39 45 20 N | 075 35 56 W |
| Ashland | Populated Place | 47 | New Castle | 39 47 59 N | 075 39 26 W |
| Bayard Elementary School | School | 47 | New Castle | 39 44 32 N | 075 34 18 W |
| Cristine Manor | Populated Place | 47 | New Castle | 39 41 20 N | 075 46 59 W |
| Hyde Park | Populated Place | 47 | New Castle | 39 44 45 N | 075 38 59 W |
| Lindell Square | Populated Place | 47 | New Castle | 39 43 40 N | 075 40 29 W |
| Middle Run Valley Park | Park | 47 | New Castle | 39 43 02 N | 075 43 23 W |
| Montclare | Populated Place | 47 | New Castle | 39 43 35 N | 075 40 34 W |
| Penrock | Populated Place | 47 | New Castle | 39 47 30 N | 075 29 14 W |
| Saint Thomas the Apostle Church | Church | 47 | New Castle | 39 44 59 N | 075 34 29 W |
| Saint Thomas the Apostle School | School | 47 | New Castle | 39 44 56 N | 075 34 35 W |
| Sherwood Park | Populated Place | 47 | New Castle | 39 44 10 N | 075 39 29 W |
| Tybrook | Populated Place | 47 | New Castle | 39 44 55 N | 075 37 54 W |
| Carousel Knoll | Populated Place | 46 | New Castle | 39 43 45 N | 075 40 29 W |
| Hillcrest-Bellefont Methodist Church | Church | 46 | New Castle | 39 45 48 N | 075 30 36 W |
| John Dickinson High School | School | 46 | New Castle | 39 43 40 N | 075 40 24 W |
| Otts Chapel | Church | 46 | New Castle | 39 38 02 N | 075 46 44 W |
| Saint Johns African United Methodist Protestant Church | Church | 46 | New Castle | 39 41 07 N | 075 45 30 W |
| Silverbrook | Populated Place | 46 | New Castle | 39 45 16 N | 075 35 53 W |
| Stapler Park | Park | 46 | New Castle | 39 45 35 N | 075 34 03 W |
| Zion Kindergarten and Preschool | School | 46 | New Castle | 39 44 56 N | 075 34 42 W |
| Clayton Park | Park | 45 | New Castle | 39 44 46 N | 075 34 08 W |
| Cool Spring Reservoir | Reservoir | 45 | New Castle | 39 45 06 N | 075 33 35 W |
| Lore School | School | 45 | New Castle | 39 45 00 N | 075 34 34 W |
| Mount Zion Cemetery | Cemetery | 45 | New Castle | 39 45 17 N | 075 35 28 W |
| New London Avenue School | School | 45 | New Castle | 39 41 22 N | 075 45 40 W |
| Pepper Ridge | Populated Place | 45 | New Castle | 39 44 15 N | 075 42 34 W |
| Rockwood Park | Park | 45 | New Castle | 39 46 21 N | 075 31 18 W |
| Saint John the Beloved Catholic Church | Church | 45 | New Castle | 39 44 04 N | 075 39 28 W |
| Saint John the Beloved School | School | 45 | New Castle | 39 44 03 N | 075 39 29 W |
| Smith Bridge | Bridge | 45 | New Castle | 39 50 15 N | 075 34 43 W |
| Stony Crest | Populated Place | 45 | New Castle | 39 44 52 N | 075 37 24 W |
| Young (historical) | Locale | 45 | New Castle | 39 48 43 N | 075 33 57 W |
| Cherry Hill | Populated Place | 44 | New Castle | 39 40 55 N | 075 46 22 W |
| Church of Christ | Church | 44 | New Castle | 39 44 34 N | 075 38 21 W |
| Grendon Farms | Populated Place | 44 | New Castle | 39 43 30 N | 075 40 39 W |
| Silver Springs | Populated Place | 44 | New Castle | 39 45 15 N | 075 35 31 W |
| Cedars United Methodist Church | Church | 43 | New Castle | 39 44 35 N | 075 38 21 W |