Most populated ZIP codes in Delaware

The ZIP codes in Delaware with the most residents.

Rank	ZIP code	City	County	Population	Population
1	19720	New Castle, DE	New Castle County	62,392	62,392
2	19702	Newark, DE	New Castle County	55,683	55,683
3	19709	Middletown, DE	New Castle County	53,234	53,234
4	19711	Newark, DE	New Castle County	49,432	49,432
5	19701	Bear, DE	New Castle County	42,984	42,984
6	19805	Wilmington, DE	New Castle County	41,402	41,402
7	19808	Wilmington, DE	New Castle County	39,082	39,082
8	19904	Dover, DE	Kent County	38,818	38,818
9	19901	Dover, DE	Kent County	37,763	37,763
10	19966	Millsboro, DE	Sussex County	35,884	35,884
11	19958	Lewes, DE	Sussex County	31,938	31,938
12	19713	Newark, DE	New Castle County	30,747	30,747
13	19977	Smyrna, DE	Kent County	27,704	27,704
14	19973	Seaford, DE	Sussex County	26,834	26,834
15	19810	Wilmington, DE	New Castle County	26,530	26,530
16	19802	Wilmington, DE	New Castle County	26,051	26,051
17	19963	Milford, DE	Sussex County	23,500	23,500
18	19803	Wilmington, DE	New Castle County	22,279	22,279
19	19947	Georgetown, DE	Sussex County	20,760	20,760
20	19804	Wilmington, DE	New Castle County	18,779	18,779
21	19707	Hockessin, DE	New Castle County	17,376	17,376
22	19801	Wilmington, DE	New Castle County	16,327	16,327
23	19956	Laurel, DE	Sussex County	16,327	16,327
24	19968	Milton, DE	Sussex County	15,486	15,486
25	19703	Claymont, DE	New Castle County	15,460	15,460
26	19971	Rehoboth Beach, DE	Sussex County	14,886	14,886
27	19809	Wilmington, DE	New Castle County	14,311	14,311
28	19734	Townsend, DE	New Castle County	14,214	14,214
29	19934	Camden Wyoming, DE	Kent County	14,061	14,061
30	19962	Magnolia, DE	Kent County	13,770	13,770
31	19943	Felton, DE	Kent County	13,410	13,410
32	19952	Harrington, DE	Kent County	10,908	10,908
33	19975	Selbyville, DE	Sussex County	10,862	10,862
34	19933	Bridgeville, DE	Sussex County	10,597	10,597
35	19806	Wilmington, DE	New Castle County	9,777	9,777
36	19945	Frankford, DE	Sussex County	9,640	9,640
37	19938	Clayton, DE	Kent County	9,561	9,561
38	19970	Ocean View, DE	Sussex County	8,524	8,524
39	19950	Greenwood, DE	Sussex County	7,918	7,918
40	19807	Wilmington, DE	New Castle County	7,815	7,815
41	19940	Delmar, DE	Sussex County	7,540	7,540
42	19939	Dagsboro, DE	Sussex County	7,490	7,490
43	19960	Lincoln, DE	Sussex County	6,774	6,774
44	19717	Newark, DE	New Castle County	6,036	6,036
45	19946	Frederica, DE	Kent County	5,603	5,603
46	19953	Hartly, DE	Kent County	5,255	5,255
47	19941	Ellendale, DE	Sussex County	3,435	3,435
48	19930	Bethany Beach, DE	Sussex County	3,014	3,014
49	19967	Millville, DE	Sussex County	2,376	2,376
50	19951	Harbeson, DE	Sussex County	2,245	2,245

Source: American Community Survey 2020–2024 5-year estimates. Only ZIP codes with a delivery area are ranked. Methodology

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Most populated ZIP codes in Delaware

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