Rank	City	2015 Population (Est.)	Growth Rate (Annual)
1	Wilmington	71,817	0.3%
2	Dover	37,355	0.9%
3	Newark	33,008	1.2%
4	Middletown	19,910	1.3%
5	Smyrna	11,170	2.7%
6	Milford	10,179	1.6%
7	Seaford	7,417	1.7%
8	Georgetown	6,891	1.8%
9	Elsmere	6,152	0.1%
10	New Castle	5,379	0.4%
11	Millsboro	4,120	1.5%
12	Laurel	3,983	1.8%
13	Harrington	3,704	1.0%
14	Camden	3,517	0.4%
15	Clayton	3,073	1.3%
16	Lewes	2,943	1.7%
17	Milton	2,759	1.7%
18	Selbyville	2,342	2.0%
19	Bridgeville	2,205	1.9%
20	Townsend	2,109	0.7%
21	Ocean View	1,986	1.4%
22	Delaware City	1,731	0.5%
23	Delmar	1,693	1.5%
24	Wyoming	1,442	2.4%
25	Rehoboth Beach	1,424	1.8%
26	Cheswold	1,420	0.7%
27	Felton	1,386	1.7%
28	Blades	1,323	1.6%
29	Bellefonte	1,191	-0.0%
30	Bethany Beach	1,142	1.9%
31	Newport	1,060	0.1%
32	Greenwood	1,045	1.8%
33	Frankford	911	1.8%
34	Dagsboro	839	1.0%
35	Frederica	816	1.3%
36	Millville	576	1.4%
37	South Bethany	485	1.9%
38	Arden	448	0.5%
39	Fenwick Island	406	1.7%
40	Ellendale	404	1.5%
41	Houston	388	0.9%
42	Odessa	374	0.7%
43	Dewey Beach	363	1.6%
44	Bowers	354	1.4%
45	Ardentown	271	0.7%
46	Kenton	263	0.2%
47	Ardencroft	234	0.3%
48	Magnolia	233	0.9%
49	Little Creek	232	0.9%
50	Slaughter Beach	225	2.1%
51	Leipsic	195	1.6%
52	Woodside	194	1.7%
53	Bethel	183	1.7%
54	Viola	167	1.6%
55	Henlopen Acres	132	2.0%
56	Farmington	115	1.1%
57	Hartly	71	-1.0%