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/MN/HIGHEST-DENSITY

Most Densely Populated ZIP Codes in Minnesota

What this measures. People per square mile of land area. Source: Census American Community Survey and Gazetteer, data release 2026-10-12.

# ZIP City County People per sq mi
1 55404 Minneapolis Hennepin 16,013
2 55415 Minneapolis Hennepin 15,753
3 55401 Minneapolis Hennepin 14,938
4 55454 Minneapolis Hennepin 14,924
5 55403 Minneapolis Hennepin 12,951
6 55408 Minneapolis Hennepin 11,726
7 55414 Minneapolis Hennepin 11,206
8 55101 Saint Paul Ramsey 10,168
9 55455 Minneapolis Hennepin 10,019
10 55407 Minneapolis Hennepin 9,384
11 55130 Saint Paul Ramsey 8,804
12 55409 Minneapolis Hennepin 8,554
13 56563 Moorhead Clay 8,290
14 55105 Saint Paul Ramsey 8,181
15 56562 Moorhead Clay 7,652
16 55104 Saint Paul Ramsey 7,583
17 55805 Duluth St. Louis 7,347
18 55406 Minneapolis Hennepin 7,309
19 55412 Minneapolis Hennepin 7,181
20 55419 Minneapolis Hennepin 7,084
21 55411 Minneapolis Hennepin 6,887
22 55410 Minneapolis Hennepin 6,652
23 55103 Saint Paul Ramsey 6,649
24 55405 Minneapolis Hennepin 6,071
25 55106 Saint Paul Ramsey 6,019
26 55102 Saint Paul Ramsey 5,979
27 55417 Minneapolis Hennepin 5,682
28 55812 Duluth St. Louis 5,609
29 55384 Spring Park Hennepin 5,371
30 55423 Minneapolis Hennepin 5,197
31 55421 Minneapolis Anoka 4,918
32 55117 Saint Paul Ramsey 4,881
33 55435 Minneapolis Hennepin 4,774
34 55416 Minneapolis Hennepin 4,773
35 55116 Saint Paul Ramsey 4,686
36 55413 Minneapolis Hennepin 4,672
37 55418 Minneapolis Hennepin 4,508
38 55429 Minneapolis Hennepin 4,492
39 55424 Minneapolis Hennepin 4,268
40 55814 Duluth St. Louis 4,090
41 55428 Minneapolis Hennepin 4,009
42 55402 Minneapolis Hennepin 3,947
43 55430 Minneapolis Hennepin 3,873
44 55426 Minneapolis Hennepin 3,813
45 55108 Saint Paul Ramsey 3,809
46 55114 Saint Paul Ramsey 3,808
47 55107 Saint Paul Ramsey 3,735
48 55443 Minneapolis Hennepin 3,717
49 55075 South Saint Paul Dakota 3,706
50 55434 Minneapolis Anoka 3,702

Showing the top 50 of 881 ZIP codes in Minnesota that have this figure . 55404 ranks 1st at 16,013, against 3,702 in 50th place.

Other rankings for Minnesota

Cite this page

zipcodes.pro. “Most Densely Populated ZIP Codes in Minnesota.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/mn/highest-density

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