Delaware Zip Codes by Population (2026)
by Kristen Carney
Updated: February 9, 2026
The most populous zip codes in Delaware are 19720 with 62,392, 19702 at 55,683, 19709 with 53,234, 19711 at 49,432, and 19701 with 42,984. You can get the most current Census population data for all 65 Delaware zip codes, sorted from the most populous zip codes in Delaware to the least, according to the 2024 American Community Survey.
Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Delaware zip code population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
| Rank | Zip Code | Population |
|---|---|---|
| 1 | 19720 | 62,392 |
| 2 | 19702 | 55,683 |
| 3 | 19709 | 53,234 |
| 4 | 19711 | 49,432 |
| 5 | 19701 | 42,984 |
| 6 | 19805 | 41,402 |
| 7 | 19808 | 39,082 |
| 8 | 19904 | 38,818 |
| 9 | 19901 | 37,763 |
| 10 | 19966 | 35,884 |
| 11 | 19958 | 31,938 |
| 12 | 19713 | 30,747 |
| 13 | 19977 | 27,704 |
| 14 | 19973 | 26,834 |
| 15 | 19810 | 26,530 |
| 16 | 19802 | 26,051 |
| 17 | 19963 | 23,500 |
| 18 | 19803 | 22,279 |
| 19 | 19947 | 20,760 |
| 20 | 19804 | 18,779 |
| 21 | 19707 | 17,376 |
| 22 TIE | 19801 | 16,327 |
| 22 TIE | 19956 | 16,327 |
| 24 | 19968 | 15,486 |
| 25 | 19703 | 15,460 |
| 26 | 19971 | 14,886 |
| 27 | 19809 | 14,311 |
| 28 | 19734 | 14,214 |
| 29 | 19934 | 14,061 |
| 30 | 19962 | 13,770 |
| 31 | 19943 | 13,410 |
| 32 | 19952 | 10,908 |
| 33 | 19975 | 10,862 |
| 34 | 19933 | 10,597 |
| 35 | 19806 | 9,777 |
| 36 | 19945 | 9,640 |
| 37 | 19938 | 9,561 |
| 38 | 19970 | 8,524 |
| 39 | 19950 | 7,918 |
| 40 | 19807 | 7,815 |
| 41 | 19940 | 7,540 |
| 42 | 19939 | 7,490 |
| 43 | 19960 | 6,774 |
| 44 | 19717 | 6,036 |
| 45 | 19946 | 5,603 |
| 46 | 19953 | 5,255 |
| 47 | 19941 | 3,435 |
| 48 | 19930 | 3,014 |
| 49 | 19967 | 2,376 |
| 50 | 19951 | 2,245 |
| 51 | 19706 | 2,038 |
| 52 | 19954 | 1,427 |
| 53 | 19964 | 1,418 |
| 54 | 19731 | 655 |
| 55 | 19944 | 636 |
| 56 | 19979 | 619 |
| 57 | 19730 | 425 |
| 58 | 19931 | 375 |
| 59 | 19955 | 352 |
| 60 | 19980 | 268 |
| 61 | 19733 | 186 |
| 62 | 19936 | 152 |
| 63 | 19736 | 127 |
| 64 | 19732 | 89 |
| 65 | 19902 | 44 |
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