| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Abbotts Mill | city | Delaware | United States | 38.89 | -75.48 | 32 | |
| Adams Crossroads | city | Delaware | United States | 38.80 | -75.70 | 36 | |
| Adamsville | city | Delaware | United States | 38.83 | -75.69 | 39 | |
| Addick Estates | city | Delaware | United States | 39.80 | -75.45 | 0 | |
| Afton | city | Delaware | United States | 39.83 | -75.48 | 252 | |
| Ainsley Woods | city | Delaware | United States | 39.76 | -75.71 | 298 | |
| Airmont Acres | city | Delaware | United States | 39.53 | -75.67 | 49 | |
| Alapocas | city | Delaware | United States | 39.77 | -75.56 | 213 | |
| Alban Park | city | Delaware | United States | 39.73 | -75.57 | 75 | |
| Albertson | city | Delaware | United States | 39.74 | -75.63 | 98 | |
| Albertson Park | city | Delaware | United States | 39.74 | -75.63 | 98 | |
| Albion | city | Delaware | United States | 39.71 | -75.66 | 59 | |
| Alexanders Village | city | Delaware | United States | 39.07 | -75.52 | 19 | |
| Alisa Estates | city | Delaware | United States | 39.35 | -75.64 | 49 | |
| Allee | city | Delaware | United States | 39.11 | -75.55 | 42 | |
| Amaranth | city | Delaware | United States | 39.71 | -75.78 | 285 | |
| Analine Village | city | Delaware | United States | 39.81 | -75.44 | 39 | |
| Anderson Crossroads | city | Delaware | United States | 38.86 | -75.37 | 22 | |
| Andersons Corner | city | Delaware | United States | 38.70 | -75.26 | 39 | |
| Andrews Lake Estates | city | Delaware | United States | 39.02 | -75.53 | 19 | |
| Andrewsville | city | Delaware | United States | 38.86 | -75.63 | 52 | |
| Anglesey | city | Delaware | United States | 39.76 | -75.62 | 121 | |
| Angola Acres II Mobile Home Park | city | Delaware | United States | 38.67 | -75.16 | 19 | |
| Angola Beach Mobile Home Park | city | Delaware | United States | 38.65 | -75.16 | 13 | |
| Angola Crest II Mobile Home Park | city | Delaware | United States | 38.67 | -75.15 | 19 | |
| Angola Crest Mobile Home Park | city | Delaware | United States | 38.67 | -75.16 | 16 | |
| Angola Landing | city | Delaware | United States | 38.64 | -75.13 | 0 | |
| Angola Neck Park Mobile Home Park | city | Delaware | United States | 38.67 | -75.15 | 19 | |
| Angola by the Bay | city | Delaware | United States | 38.67 | -75.17 | 19 | |
| Aniline Village | city | Delaware | United States | 39.81 | -75.44 | 39 | |
| Anne Acres | city | Delaware | United States | 38.70 | -75.08 | 6 | |
| Anneville | city | Delaware | United States | 39.13 | -75.52 | 9 | |
| Arabian Acres | city | Delaware | United States | 38.74 | -75.23 | 19 | |
| Arbor Pointe Apartments | city | Delaware | United States | 39.71 | -75.65 | 49 | |
| Arbour Park | city | Delaware | United States | 39.65 | -75.76 | 134 | |
| Arbre Park Mobile Home Park | city | Delaware | United States | 38.71 | -75.20 | 26 | |
| Arden | city | Delaware | United States | 39.81 | -75.49 | 180 | |
| Ardencroft | city | Delaware | United States | 39.80 | -75.49 | 209 | |
| Ardentown | city | Delaware | United States | 39.81 | -75.48 | 180 | |
| Argo Corners | city | Delaware | United States | 38.87 | -75.35 | 19 | |
| Argos Choice | city | Delaware | United States | 38.95 | -75.51 | 39 | |
| Armstrong | city | Delaware | United States | 39.48 | -75.72 | 49 | |
| Arundel | city | Delaware | United States | 39.74 | -75.67 | 98 | |
| Ashbourne Hills | city | Delaware | United States | 39.81 | -75.47 | 91 | |
| Ashland | city | Delaware | United States | 39.80 | -75.66 | 295 | |
| Ashley | city | Delaware | United States | 39.73 | -75.58 | 72 | |
| Ashley Heights | city | Delaware | United States | 39.73 | -75.58 | 62 | |
| Aspen Meadows | city | Delaware | United States | 38.73 | -75.13 | 32 | |
| Atlanta | city | Delaware | United States | 38.71 | -75.68 | 49 | |
| Atlanta Estates | city | Delaware | United States | 38.66 | -75.63 | 29 | |
| Auburn | city | Delaware | United States | 39.81 | -75.69 | 298 | |
| Auburn Hills | city | Delaware | United States | 39.80 | -75.69 | 298 | |
| Augustine | city | Delaware | United States | 39.76 | -75.55 | 124 | |
| Augustine Hills | city | Delaware | United States | 39.76 | -75.55 | 124 | |
| Avalon | city | Delaware | United States | 39.73 | -75.62 | 88 | |
| Avalon Park Mobile Home Park | city | Delaware | United States | 38.66 | -75.27 | 42 |