Biggest Cities in Delaware - 2020 Census Data

Rank	City	2020 Population	Growth Rate (Annual)
1	Townsend	2,735	2.9%
2	Millville	1,841	13.0%
3	Cheswold	1,929	3.4%
4	Middletown	23,315	2.1%
5	Clayton	3,979	3.1%
6	Millsboro	6,900	5.9%
7	Ocean View	2,656	3.5%
8	Smyrna	12,940	2.6%
9	Milton	3,312	2.5%
10	Camden	3,719	0.7%
11	Dagsboro	878	0.9%
12	Selbyville	2,898	2.9%
13	Bridgeville	2,576	2.3%
14	Felton	1,315	0.1%
15	Milford	11,301	1.7%
16	Frederica	1,076	3.3%
17	Georgetown	7,167	1.1%
18	Ellendale	493	2.6%
19	Wyoming	1,702	2.6%
20	Delmar	2,034	2.4%
21	Bethel	240	3.4%
22	Delaware City	1,877	1.0%
23	Odessa	364	–
24	Dover	39,554	0.9%
25	Magnolia	275	2.0%
26	Farmington	91	-1.9%
27	Dewey Beach	360	0.5%
28	Harrington	3,769	0.6%
29	Seaford	7,983	1.4%
30	Greenwood	991	0.2%
31	Lewes	3,311	1.9%
32	Frankford	798	-0.6%
33	New Castle	5,533	0.5%
34	Slaughter Beach	219	0.6%
35	Blades	1,189	-0.4%
36	Elsmere	6,203	0.1%
37	Newark	31,296	-0.1%
38	Bethany Beach	963	-1.0%
39	Henlopen Acres	139	1.3%
40	Laurel	3,903	0.5%
41	Woodside	189	0.4%
42	Fenwick Island	344	-1.0%
43	Little Creek	193	-1.5%
44	Bellefonte	1,221	0.2%
45	Wilmington	70,875	0.0%
46	South Bethany	457	0.2%
47	Hartly	71	-0.4%
48	Houston	388	0.4%
49	Bowers	276	-1.9%
50	Arden	428	-0.3%
51	Viola	140	-1.1%
52	Kenton	212	-2.1%
53	Leipsic	179	-0.2%
54	Ardencroft	226	-0.2%
55	Ardentown	254	-0.4%
56	Newport	901	-1.6%
57	Rehoboth Beach	1,113	-1.7%