St. Rank
|
City
|
Population
|
County
|
1
|
Wilmington
|
70,898
|
New Castle
|
2
|
Dover
|
39,403
|
Kent
|
3
|
Newark
|
30,601
|
New Castle
|
4
|
Middletown
|
23,192
|
New Castle
|
5
|
Smyrna
|
12,883
|
Kent, New Castle
|
6
|
Milford
|
11,190
|
Kent, Sussex
|
7
|
Seaford
|
7,957
|
Sussex
|
8
|
Georgetown
|
7,134
|
Sussex
|
9
|
Millsboro
|
6,863
|
Sussex
|
10
|
Elsmere
|
6,229
|
New Castle
|
11
|
New Castle
|
5,551
|
New Castle
|
12
|
Clayton
|
3,961
|
Kent, New Castle
|
13
|
Laurel
|
3,865
|
Sussex
|
14
|
Harrington
|
3,774
|
Kent
|
15
|
Camden
|
3,715
|
Kent
|
16
|
Lewes
|
3,303
|
Sussex
|
17
|
Milton
|
3,291
|
Sussex
|
18
|
Selbyville
|
2,878
|
Sussex
|
19
|
Townsend
|
2,717
|
New Castle
|
20
|
Ocean View
|
2,636
|
Sussex
|
21
|
Bridgeville
|
2,568
|
Sussex
|
22
|
Delmar
|
2,027
|
Sussex
|
23
|
Cheswold
|
1,923
|
Kent
|
24
|
Delaware City
|
1,885
|
New Castle
|
25
|
Millville
|
1,825
|
Sussex
|
26
|
Wyoming
|
1,680
|
Kent
|
27
|
Felton
|
1,316
|
Kent
|
28
|
Bellefonte
|
1,225
|
New Castle
|
29
|
Blades
|
1,179
|
Sussex
|
30
|
Rehoboth Beach
|
1,108
|
Sussex
|
31
|
Frederica
|
1,073
|
Kent
|
|