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/DC/HIGHEST-AVERAGE-INCOME

ZIP Codes With the Highest Average Income in District of Columbia

What this measures. Total adjusted gross income divided by the number of tax returns filed. This is income per RETURN, not per person or per household — a return can be a single filer or a married couple. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Average AGI per return
1 20016 Washington District of Columbia $384,355
2 20015 Washington District of Columbia $374,411
3 20007 Washington District of Columbia $327,100
4 20004 Washington District of Columbia $236,621
5 20008 Washington District of Columbia $230,405
6 20037 Washington District of Columbia $170,357
7 20006 Washington District of Columbia $161,084
8 20036 Washington District of Columbia $154,446
9 20003 Washington District of Columbia $149,388
10 20009 Washington District of Columbia $127,307
11 20005 Washington District of Columbia $125,843
12 20001 Washington District of Columbia $120,352
13 20012 Washington District of Columbia $120,038
14 20024 Washington District of Columbia $113,453
15 20002 Washington District of Columbia $110,751
16 20010 Washington District of Columbia $96,152
17 20017 Washington District of Columbia $94,596
18 20018 Washington District of Columbia $87,831
19 20011 Washington District of Columbia $87,543
20 20020 Washington District of Columbia $52,854
21 20019 Washington District of Columbia $49,413
22 20032 Washington District of Columbia $46,173

Showing the top 22 of 22 ZIP codes in District of Columbia that have this figure and meet the threshold above. 20016 ranks 1st at $384,355, against $46,173 in 22nd place.

Other rankings for District of Columbia

Cite this page

zipcodes.pro. “ZIP Codes With the Highest Average Income in District of Columbia.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/dc/highest-average-income

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