| population | |
| City of Dover | 36047 |
| City of Harrington | 3562 |
| Town of Bowers | 335 |
| Town of Camden | 3464 |
| Town of Cheswold | 1380 |
| Town of Clayton | 2918 |
| Town of Farmington | 110 |
| population | |
| Town of Felton | 1298 |
| Town of Frederica | 774 |
| Town of Hartly | 74 |
| Town of Houston | 374 |
| Town of Kenton | 261 |
| Town of Leipsic | 183 |
| Town of Little Creek | 224 |
| population | |
| Town of Magnolia | 225 |
| Town of Smyrna | 10023 |
| Town of Viola | 157 |
| Town of Woodside | 181 |
| Town of Wyoming | 1313 |
 | Dover Air Force Base | ~ 5.00 km |
| Delaware Coastal Airport | ~ 46.95 km |
| Millville Municipal Airport | ~ 47.97 km |
| Cape May County Airport | ~ 52.40 km |
| Easton Airport / Newnam Field | ~ 58.60 km |
| New Castle Airport | ~ 65.39 km |
| Phillips Army Air Field | ~ 70.45 km |
| Cambridge Dorchester Airport | ~ 76.85 km |
| Martin State Airport | ~ 82.39 km |
