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/OLDEST

ZIP Codes With the Oldest Population in North Dakota

What this measures. Median age of residents, ACS 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median age
1 58236 Glasston Pembina 82.4
2 58229 Fairdale Walsh 75.9
3 58065 Pillsbury Barnes 72.0
4 58475 Pettibone Kidder 71.1
5 58281 Wales Cavalier 70.4
6 58062 Nome Barnes 69.4
7 58430 Denhoff Sheridan 68.8
8 58620 Amidon Slope 68.5
9 58339 Hansboro Towner 68.0
10 58355 Nekoma Cavalier 67.8
11 58452 Jessie Griggs 67.8
12 58625 Dodge Dunn 66.6
13 58531 Coleharbor McLean 66.5
14 58343 Knox Benson 66.2
15 58524 Braddock Emmons 66.1
16 58310 Agate Rolette 65.6
17 58311 Alsen Cavalier 65.5
18 58262 Mountain Pembina 65.3
19 58481 Spiritwood Barnes 64.8
20 58727 Columbus Burke 64.8
21 58212 Aneta Nelson 63.7
22 58269 Osnabrock Cavalier 63.7
23 58734 Donnybrook Ward 63.5
24 58496 Woodworth Stutsman 63.0
25 58330 Edmore Ramsey 62.8
26 58056 Luverne Steele 62.5
27 58645 Medora Billings 62.5
28 58847 Keene McKenzie 62.5
29 58444 Goodrich Sheridan 62.3
30 58451 Hurdsfield Wells 62.1
31 58443 Glenfield Foster 61.9
32 58565 Riverdale McLean 61.6
33 58744 Karlsruhe McHenry 61.5
34 58418 Bowdon Wells 61.3
35 58013 Cayuga Sargent 61.1
36 58830 Alamo Williams 61.1
37 58643 Marmarth Bowman 61.0
38 58386 York Benson 60.6
39 58239 Hannah Cavalier 60.3
40 58259 Michigan Nelson 60.2
41 58402 Jamestown Stutsman 60.2
42 58384 Willow City Bottineau 60.1
43 58413 Ashley McIntosh 60.1
44 58266 Niagara Grand Forks 60.0
45 58038 Grandin Traill 59.9
46 58644 Marshall Dunn 59.8
47 58272 Petersburg Nelson 59.6
48 58345 Lawton Ramsey 59.5
49 58277 Sharon Steele 59.2
50 58480 Sanborn Barnes 59.2

Showing the top 50 of 385 ZIP codes in North Dakota that have this figure . 58236 ranks 1st at 82.4, against 59.2 in 50th place.

Other rankings for North Dakota

Cite this page

zipcodes.pro. “ZIP Codes With the Oldest Population in North Dakota.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/nd/oldest

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