Rank	City	2006 Population (Est.)	Growth Rate (Annual)
1	Wilmington	72,258	-0.1%
2	Dover	33,965	1.1%
3	Newark	30,331	0.6%
4	Middletown	9,121	7.7%
5	Smyrna	7,414	4.8%
6	Milford	7,228	0.6%
7	Seaford	6,980	0.6%
8	Elsmere	5,700	-0.4%
9	Georgetown	4,984	0.8%
10	New Castle	4,937	-0.2%
11	Laurel	3,861	0.6%
12	Harrington	3,242	0.3%
13	Lewes	3,028	0.7%
14	Millsboro	2,619	1.0%
15	Camden	2,379	2.5%
16	Selbyville	1,804	0.9%
17	Milton	1,775	0.6%
18	Bridgeville	1,607	0.8%
19	Rehoboth Beach	1,542	0.6%
20	Delmar	1,507	0.9%
21	Delaware City	1,506	0.6%
22	Clayton	1,407	1.5%
23	Bellefonte	1,284	0.5%
24	Wyoming	1,249	1.3%
25	Blades	1,140	0.7%
26	Newport	1,122	-0.4%
27	Ocean View	1,095	1.0%
28	Bethany Beach	933	0.6%
29	Greenwood	876	0.7%
30	Felton	858	1.2%
31	Frankford	748	0.9%
32	Frederica	716	1.4%
33	Dagsboro	550	1.1%
34	South Bethany	508	0.6%
35	Cheswold	484	1.3%
36	Arden	484	0.3%
37	Houston	459	1.3%
38	Townsend	369	1.5%
39	Fenwick Island	354	0.6%
40	Ellendale	350	0.8%
41	Bowers	330	1.5%
42	Odessa	321	2.3%
43	Dewey Beach	308	0.5%
44	Ardentown	307	0.4%
45	Ardencroft	273	0.4%
46	Millville	270	1.1%
47	Kenton	256	1.6%
48	Magnolia	238	1.0%
49	Leipsic	218	1.4%
50	Slaughter Beach	209	1.1%
51	Little Creek	207	1.2%
52	Woodside	194	1.1%
53	Bethel	193	1.0%
54	Viola	165	1.1%
55	Henlopen Acres	138	0.7%
56	Hartly	84	1.5%
57	Farmington	81	1.6%