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/ND/MOST-TAX-RETURNS

ZIP Codes With the Most Tax Returns Filed in North Dakota

What this measures. Number of individual income tax returns filed. A rough proxy for how many households a ZIP code contains, available where census figures are not. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Returns filed
1 58104 Fargo Cass 26,240
2 58103 Fargo Cass 23,560
3 58078 West Fargo Cass 20,300
4 58201 Grand Forks Grand Forks 20,240
5 58503 Bismarck Burleigh 18,260
6 58701 Minot Ward 14,980
7 58801 Williston Williams 14,350
8 58102 Fargo Cass 13,870
9 58554 Mandan Morton 13,760
10 58504 Bismarck Burleigh 13,520
11 58501 Bismarck Burleigh 13,380
12 58601 Dickinson Stark 13,090
13 58703 Minot Ward 10,750
14 58401 Jamestown Stutsman 7,880
15 58203 Grand Forks Grand Forks 6,870
16 58301 Devils Lake Ramsey 4,780
17 58075 Wahpeton Richland 4,100
18 58854 Watford City McKenzie 4,040
19 58072 Valley City Barnes 3,610
20 58047 Horace Cass 2,720
21 58237 Grafton Walsh 2,370
22 58316 Belcourt Rolette 2,120
23 58704 Minot Afb Ward 1,760
24 58318 Bottineau Bottineau 1,740
25 58763 New Town Mountrail 1,720
26 58545 Hazen Mercer 1,640
27 58523 Beulah Mercer 1,610
28 58368 Rugby Pierce 1,540
29 58054 Lisbon Ransom 1,510
30 58784 Stanley Mountrail 1,400
31 58421 Carrington Foster 1,370
32 58540 Garrison McLean 1,280
33 58249 Langdon Cavalier 1,200
34 58012 Casselton Cass 1,180
35 58852 Tioga Williams 1,180
36 58474 Oakes Dickey 1,170
37 58341 Harvey Wells 1,120
38 58045 Hillsboro Traill 1,090
39 58623 Bowman Bowman 1,080
40 58329 Dunseith Rolette 1,050
41 58220 Cavalier Pembina 1,040
42 58278 Thompson Grand Forks 970
43 58270 Park River Walsh 930
44 58257 Mayville Traill 920
45 58563 New Salem Morton 900
46 58059 Mapleton Cass 880
47 58251 Larimore Grand Forks 880
48 58622 Belfield Billings 880
49 58640 Killdeer Dunn 860
50 58722 Burlington Ward 850

Showing the top 50 of 270 ZIP codes in North Dakota that have this figure . 58104 ranks 1st at 26,240, against 850 in 50th place.

Other rankings for North Dakota

Cite this page

zipcodes.pro. “ZIP Codes With the Most Tax Returns Filed in North Dakota.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/nd/most-tax-returns

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