About Delaware ZIP Codes
Delaware has 68 ZIP codes spread across 3 counties. The combined population across all ZIP code areas in Delaware is approximately 1,021,605. The county with the most ZIP codes is New Castle County with 29 ZIP codes. Use the table below to browse and search all ZIP codes in Delaware.
All ZIP Codes in Delaware
| ZIP Code | City | County | Population |
|---|---|---|---|
| 19701 | Bear | New Castle | 42,984 |
| 19702 | Newark | New Castle | 55,683 |
| 19703 | Claymont | New Castle | 15,460 |
| 19706 | Delaware City | New Castle | 2,038 |
| 19707 | Hockessin | New Castle | 17,376 |
| 19709 | Middletown | New Castle | 53,234 |
| 19710 | Montchanin | New Castle | - |
| 19711 | Newark | New Castle | 49,432 |
| 19713 | Newark | New Castle | 30,747 |
| 19716 | Newark | New Castle | - |
| 19717 | Newark | New Castle | 6,036 |
| 19720 | New Castle | New Castle | 62,392 |
| 19730 | Odessa | New Castle | 425 |
| 19731 | Port Penn | New Castle | 655 |
| 19732 | Rockland | New Castle | 89 |
| 19733 | Saint Georges | New Castle | 186 |
| 19734 | Townsend | New Castle | 14,214 |
| 19735 | Winterthur | New Castle | - |
| 19736 | Yorklyn | New Castle | 127 |
| 19801 | Wilmington | New Castle | 16,327 |
| 19802 | Wilmington | New Castle | 26,051 |
| 19803 | Wilmington | New Castle | 22,279 |
| 19804 | Wilmington | New Castle | 18,779 |
| 19805 | Wilmington | New Castle | 41,402 |
| 19806 | Wilmington | New Castle | 9,777 |
| 19807 | Wilmington | New Castle | 7,815 |
| 19808 | Wilmington | New Castle | 39,082 |
| 19809 | Wilmington | New Castle | 14,311 |
| 19810 | Wilmington | New Castle | 26,530 |
| 19901 | Dover | Kent | 37,763 |
| 19902 | Dover Afb | Kent | 44 |
| 19904 | Dover | Kent | 38,818 |
| 19930 | Bethany Beach | Sussex | 3,014 |
| 19931 | Bethel | Sussex | 375 |
| 19933 | Bridgeville | Sussex | 10,597 |
| 19934 | Camden Wyoming | Kent | 14,061 |
| 19936 | Cheswold | Kent | 152 |
| 19938 | Clayton | Kent | 9,561 |
| 19939 | Dagsboro | Sussex | 7,490 |
| 19940 | Delmar | Sussex | 7,540 |
| 19941 | Ellendale | Sussex | 3,435 |
| 19943 | Felton | Kent | 13,410 |
| 19944 | Fenwick Island | Sussex | 636 |
| 19945 | Frankford | Sussex | 9,640 |
| 19946 | Frederica | Kent | 5,603 |
| 19947 | Georgetown | Sussex | 20,760 |
| 19950 | Greenwood | Sussex | 7,918 |
| 19951 | Harbeson | Sussex | 2,245 |
| 19952 | Harrington | Kent | 10,908 |
| 19953 | Hartly | Kent | 5,255 |
| 19954 | Houston | Kent | 1,427 |
| 19955 | Kenton | Kent | 352 |
| 19956 | Laurel | Sussex | 16,327 |
| 19958 | Lewes | Sussex | 31,938 |
| 19960 | Lincoln | Sussex | 6,774 |
| 19962 | Magnolia | Kent | 13,770 |
| 19963 | Milford | Sussex | 23,500 |
| 19964 | Marydel | Kent | 1,418 |
| 19966 | Millsboro | Sussex | 35,884 |
| 19967 | Millville | Sussex | 2,376 |
| 19968 | Milton | Sussex | 15,486 |
| 19970 | Ocean View | Sussex | 8,524 |
| 19971 | Rehoboth Beach | Sussex | 14,886 |
| 19973 | Seaford | Sussex | 26,834 |
| 19975 | Selbyville | Sussex | 10,862 |
| 19977 | Smyrna | Kent | 27,704 |
| 19979 | Viola | Kent | 619 |
| 19980 | Woodside | Kent | 268 |
Frequently Asked Questions
How many ZIP codes does Delaware have?
Delaware has 68 ZIP codes across 3 counties.
What county has the most ZIP codes in Delaware?
New Castle County has the most ZIP codes in Delaware with 29 ZIP codes.
How do I find a ZIP code in Delaware?
Use the search box above to search by ZIP code number or city name.
What is the total population of Delaware?
The combined population across all ZIP code areas in Delaware is approximately 1,021,605.
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Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com.