Delaware / Zip Codes by Population

Delaware Zip Codes by Population

The data is from the US Census. Below are 66 Delaware zip codes ranked 1 through 66 . You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

Some of these zips may be mostly within a neighboring state and only slightly within Delaware. We follow the US Census Bureau’s lead here and if any portion of the zip code intersects Delaware (no matter how small), we include that zip code both in the Delaware list below as well as in the neighboring state’s list of zip codes.

Looking for a list of cities, counties or zips in Delaware?
Get a spreadsheet with the most current population, income, housing demographics and more for all cities, counties or zips in Delaware. Learn more.

Rank Zip Code Population
1 19720 59,410
2 19702 54,980
3 19711 53,194
4 19709 45,005
5 19701 42,240
6 19901 38,673
7 19904 38,158
8 19808 38,106
9 19805 38,061
10 19966 30,601
11 19713 30,403
12 19958 27,123
13 19802 26,126
14 19973 25,991
15 19977 25,536
16 19810 25,273
17 19963 21,489
18 19803 21,484
19 19947 20,033
20 19804 17,529
21 19801 17,447
22 19707 16,383
23 19703 15,379
24 19809 14,827
25 19956 14,557
26 19971 13,922
27 19934 13,673
28 19734 13,072
29 19968 12,902
30 19943 12,504
31 19933 11,457
32 19962 11,448
33 19952 10,610
34 19975 9,336
35 19806 9,313
36 19970 8,770
37 19938 8,587
38 19807 7,369
39 19939 7,302
40 19950 6,762
41 19940 6,560
42 19945 6,432
43 19960 6,209
44 19946 5,539
45 19953 4,896
46 19717 3,649
47 19941 3,477
48 19930 3,077
49 19951 2,046
50 19706 1,858
51 19964 1,472
52 19716 1,426
53 19954 1,417
54 19967 1,005
55 19944 746
56 19979 738
57 19730 441
58 19931 416
59 19731 350
60 19936 315
61 19902 263
62 19955 96
63 19732 81
64 19733 68
65 19736 59
66 19735 8

United States Census Bureau. B01001 SEX BY AGE, 2020 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 17 March 2022. http://www.census.gov/.

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