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/WY/YOUNGEST

ZIP Codes With the Youngest Population in Wyoming

What this measures. Median age of residents, lowest first. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median age
1 82323 Dixon Carbon 9.9
2 82229 Shawnee Converse 16.9
3 82005 Fe Warren Afb Laramie 20.8
4 82243 Veteran Goshen 20.8
5 82434 Otto Big Horn 23.3
6 82072 Laramie Albany 26.1
7 82423 Frannie Big Horn 26.9
8 82060 Hillsdale Laramie 27.3
9 82221 Lagrange Goshen 28.1
10 82944 Robertson Uinta 28.4
11 82244 Yoder Goshen 29.2
12 82327 Hanna Carbon 29.6
13 82723 Osage Weston 29.6
14 82070 Laramie Albany 30.4
15 82334 Sinclair Carbon 30.5
16 82514 Fort Washakie Fremont 30.5
17 82054 Carpenter Laramie 30.6
18 82420 Cowley Big Horn 30.7
19 83126 Smoot Lincoln 31.1
20 82933 Fort Bridger Uinta 31.4
21 82510 Arapahoe Fremont 31.5
22 82835 Clearmont Sheridan 31.6
23 82731 Weston Campbell 31.8
24 82190 Yellowstone National Park Park 32.4
25 82007 Cheyenne Laramie 32.7
26 83013 Moran Teton 33.5
27 82648 Powder River Natrona 33.6
28 82412 Byron Big Horn 33.8
29 82718 Gillette Campbell 34.0
30 83110 Afton Lincoln 34.8
31 82215 Hartville Platte 35.3
32 83122 Grover Lincoln 35.3
33 82321 Baggs Carbon 35.5
34 82411 Burlington Big Horn 35.5
35 82001 Cheyenne Laramie 35.8
36 82620 Alcova Natrona 35.9
37 82711 Alva Crook 36.0
38 82937 Lyman Uinta 36.9
39 82716 Gillette Campbell 37.1
40 82083 Rock River Albany 37.2
41 82901 Rock Springs Sweetwater 37.3
42 82930 Evanston Summit 37.4
43 82073 Laramie Albany 37.5
44 82644 Mills Natrona 37.5
45 82941 Pinedale Sublette 37.7
46 82501 Riverton Fremont 37.8
47 83112 Bedford Lincoln 37.8
48 82222 Lance Creek Niobrara 38.1
49 82609 Casper Natrona 38.1
50 82935 Green River Sweetwater 38.1

Showing the top 50 of 161 ZIP codes in Wyoming that have this figure . 82323 ranks 1st at 9.9, against 38.1 in 50th place.

Other rankings for Wyoming

Cite this page

zipcodes.pro. “ZIP Codes With the Youngest Population in Wyoming.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/wy/youngest

Underlying data is public domain or openly licensed — sources, vintages and licences.