Cities, Towns, Neighborhoods & Other Populated Places in Sussex County.
| City Name | Title | County | Population |
|---|---|---|---|
| Milford | City in Kent and Sussex counties, Delaware, United States of America | 11,732 | |
| Seaford | City in Delaware, United States | 8,013 | |
| Georgetown | Town in Sussex County, Delaware, United States | 7,563 | |
| Millsboro | Town of the United States | 4,533 | |
| Laurel | Town in Sussex County, Delaware, USA | 4,356 | |
| Lewes | City in Sussex County, Delaware, United States of America | 3,322 | |
| Milton | Town in Delaware, USA | 3,012 | |
| Selbyville | Town in Delaware, United States | 2,540 | |
| Bridgeville | Town in Delaware | 2,366 | |
| Ocean View | City in Sussex County, Delaware, United States | 2,190 | |
| Delmar | Town in Sussex County, Delaware, United States | 1,822 | |
| Rehoboth Beach | City in Sussex County, Delaware, United States | 1,546 | |
| Blades | Town of the United States | 1,454 | |
| Bethany Beach | Town in Delaware | 1,245 | |
| Greenwood | Town in Sussex County, Delaware, United States | 1,139 | |
| Frankford | Town of the United States | 987 | |
| Dagsboro | Town of the United States | 927 | |
| Millville | Town in Sussex County, Delaware, United States | 626 | |
| South Bethany | Town in Delaware, United States | 530 | |
| Fenwick Island | Town of the United States | 445 | |
| Ellendale | Town in Sussex County, Delaware, US | 434 | |
| Dewey Beach | Town in Sussex County, Delaware, United States | 400 | |
| Slaughter Beach | Town of the United States | 241 | |
| Henlopen Acres | Town of the United States | 144 |