Rank	City	2017 Population (Est.)	Growth Rate (Annual)
1	Wilmington	71,442	0.1%
2	Dover	37,786	0.8%
3	Newark	33,398	1.0%
4	Middletown	20,876	1.7%
5	Smyrna	11,371	2.1%
6	Milford	10,979	2.3%
7	Seaford	7,736	1.9%
8	Georgetown	7,206	1.9%
9	Elsmere	6,106	-0.1%
10	New Castle	5,357	0.2%
11	Millsboro	4,293	1.7%
12	Laurel	4,160	1.9%
13	Harrington	3,679	0.5%
14	Camden	3,489	0.1%
15	Clayton	3,157	1.3%
16	Lewes	3,074	1.9%
17	Milton	2,879	1.9%
18	Selbyville	2,421	1.9%
19	Townsend	2,313	2.0%
20	Bridgeville	2,302	2.0%
21	Ocean View	2,076	1.6%
22	Delmar	1,765	1.7%
23	Delaware City	1,742	0.5%
24	Rehoboth Beach	1,488	1.9%
25	Wyoming	1,486	2.1%
26	Cheswold	1,425	0.5%
27	Felton	1,408	1.4%
28	Blades	1,380	1.8%
29	Bethany Beach	1,194	2.0%
30	Bellefonte	1,178	-0.2%
31	Greenwood	1,085	1.8%
32	Newport	1,050	-0.1%
33	Frankford	951	1.9%
34	Dagsboro	878	1.5%
35	Frederica	828	1.1%
36	Millville	602	1.7%
37	South Bethany	508	2.1%
38	Arden	450	0.4%
39	Fenwick Island	426	2.0%
40	Ellendale	423	1.8%
41	Houston	393	0.8%
42	Dewey Beach	379	1.8%
43	Odessa	372	0.4%
44	Bowers	360	1.2%
45	Ardentown	273	0.6%
46	Kenton	265	0.3%
47	Ardencroft	237	0.4%
48	Magnolia	235	0.7%
49	Little Creek	234	0.7%
50	Slaughter Beach	233	2.0%
51	Leipsic	196	1.2%
52	Woodside	196	1.3%
53	Bethel	192	1.9%
54	Viola	171	1.4%
55	Henlopen Acres	138	2.1%
56	Farmington	118	1.2%
57	Hartly	71	-0.7%