Rank	City	2010 Population	Growth Rate (Annual)
1	Wilmington	70,851	-0.3%
2	Dover	36,047	1.1%
3	Newark	31,454	0.7%
4	Middletown	18,871	11.6%
5	Smyrna	10,023	5.5%
6	Milford	9,559	3.2%
7	Seaford	6,928	0.2%
8	Georgetown	6,422	3.0%
9	Elsmere	6,131	0.6%
10	New Castle	5,285	0.6%
11	Millsboro	3,877	4.5%
12	Laurel	3,708	-0.1%
13	Harrington	3,562	1.1%
14	Camden	3,464	5.1%
15	Clayton	2,918	8.3%
16	Lewes	2,747	-0.6%
17	Milton	2,576	4.1%
18	Selbyville	2,167	2.3%
19	Townsend	2,049	19.6%
20	Bridgeville	2,048	2.9%
21	Ocean View	1,882	6.1%
22	Delaware City	1,695	1.5%
23	Delmar	1,597	1.0%
24	Cheswold	1,380	11.8%
25	Rehoboth Beach	1,327	-1.2%
26	Wyoming	1,313	1.1%
27	Felton	1,298	4.9%
28	Blades	1,241	1.2%
29	Bellefonte	1,193	-0.5%
30	Bethany Beach	1,060	1.6%
31	Newport	1,055	-0.8%
32	Greenwood	973	1.4%
33	Frankford	847	1.7%
34	Dagsboro	805	4.5%
35	Frederica	774	1.5%
36	Millville	544	7.9%
37	South Bethany	449	-0.9%
38	Arden	439	-0.8%
39	Ellendale	381	1.3%
40	Fenwick Island	379	1.0%
41	Houston	374	-1.4%
42	Odessa	364	2.4%
43	Dewey Beach	341	1.3%
44	Bowers	335	0.9%
45	Ardentown	264	-1.3%
46	Kenton	261	1.0%
47	Ardencroft	231	-1.5%
48	Magnolia	225	-0.0%
49	Little Creek	224	1.4%
50	Slaughter Beach	207	0.4%
51	Leipsic	183	-1.0%
52	Woodside	181	-0.2%
53	Bethel	171	-0.7%
54	Viola	157	0.1%
55	Henlopen Acres	122	-0.9%
56	Farmington	110	3.9%
57	Hartly	74	-0.5%