Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/DE/HIGHEST-MEDIAN-INCOME

ZIP Codes With the Highest Median Household Income in Delaware

What this measures. Median household income, American Community Survey 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median household income
1 19732 Rockland New Castle $236,000
2 19707 Hockessin New Castle $172,696
3 19807 Wilmington New Castle $153,341
4 19803 Wilmington New Castle $135,218
5 19709 Middletown New Castle $132,956
6 19734 Townsend New Castle $127,803
7 19930 Bethany Beach Sussex $125,491
8 19944 Fenwick Island Sussex $121,250
9 19810 Wilmington New Castle $112,775
10 19730 Odessa New Castle $112,083
11 19701 Bear New Castle $111,198
12 19962 Magnolia Kent $104,260
13 19971 Rehoboth Beach Sussex $102,146
14 19938 Clayton Kent $99,596
15 19964 Marydel Kent $99,402
16 19931 Bethel Sussex $99,375
17 19967 Millville Sussex $98,301
18 19958 Lewes Sussex $97,197
19 19951 Harbeson Sussex $95,546
20 19711 Newark New Castle $95,403
21 19808 Wilmington New Castle $94,234
22 19970 Ocean View Sussex $94,103
23 19702 Newark New Castle $92,446
24 19939 Dagsboro Sussex $89,806
25 19806 Wilmington New Castle $88,855
26 19975 Selbyville Sussex $88,568
27 19945 Frankford Sussex $87,638
28 19968 Milton Sussex $87,163
29 19934 Camden Wyoming Kent $87,125
30 19980 Woodside Kent $85,272
31 19706 Delaware City New Castle $83,681
32 19733 Saint Georges New Castle $82,604
33 19953 Hartly Kent $81,792
34 19809 Wilmington New Castle $81,288
35 19946 Frederica Kent $80,459
36 19804 Wilmington New Castle $79,701
37 19966 Millsboro Sussex $78,305
38 19703 Claymont New Castle $76,939
39 19977 Smyrna Kent $76,826
40 19952 Harrington Kent $76,791
41 19713 Newark New Castle $76,493
42 19720 New Castle New Castle $75,403
43 19950 Greenwood Sussex $75,305
44 19941 Ellendale Sussex $75,139
45 19943 Felton Kent $73,925
46 19979 Viola Kent $72,361
47 19731 Port Penn New Castle $71,282
48 19947 Georgetown Sussex $71,229
49 19963 Milford Sussex $71,108
50 19960 Lincoln Sussex $67,200

Showing the top 50 of 62 ZIP codes in Delaware that have this figure . 19732 ranks 1st at $236,000, against $67,200 in 50th place.

Other rankings for Delaware

Cite this page

zipcodes.pro. “ZIP Codes With the Highest Median Household Income in Delaware.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/de/highest-median-income

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