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/OLDEST

ZIP Codes With the Oldest Population in Wyoming

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 82051 Bosler Albany 78.1
2 82210 Chugwater Platte 69.5
3 83115 Daniel Sublette 69.5
4 82084 Tie Siding Albany 69.4
5 82833 Big Horn Sheridan 69.4
6 82219 Jay Em Goshen 67.7
7 83011 Kelly Teton 67.3
8 82943 Reliance Sweetwater 66.9
9 82440 Ralston Park 66.7
10 82938 Mc Kinnon Sweetwater 66.6
11 82227 Manville Niobrara 66.2
12 82710 Aladdin Crook 66.0
13 82055 Centennial Albany 65.6
14 82516 Kinnear Fremont 65.5
15 82421 Deaver Big Horn 64.7
16 82922 Bondurant Sublette 64.2
17 82936 Lonetree Uinta 64.2
18 82838 Parkman Sheridan 63.8
19 82063 Jelm Larimer 63.5
20 82642 Lysite Fremont 63.2
21 82639 Kaycee Johnson 62.6
22 82725 Recluse Campbell 62.3
23 83414 Alta Teton 61.5
24 82925 Cora Sublette 61.0
25 82513 Dubois Fremont 60.6
26 82441 Shell Big Horn 59.1
27 82336 Wamsutter Sweetwater 59.0
28 82512 Crowheart Fremont 58.2
29 82059 Granite Canon Laramie 57.9
30 82729 Sundance Crook 57.3
31 82515 Hudson Fremont 57.1
32 82214 Guernsey Platte 56.7
33 82442 Ten Sleep Washakie 56.5
34 82212 Fort Laramie Goshen 55.8
35 82325 Encampment Carbon 55.6
36 82225 Lusk Niobrara 55.4
37 82831 Arvada Campbell 54.9
38 82430 Kirby Hot Springs 54.8
39 83014 Wilson Teton 54.5
40 82450 Wapiti Park 53.6
41 82329 Medicine Bow Carbon 53.5
42 82082 Pine Bluffs Laramie 52.7
43 82217 Hawk Springs Goshen 52.3
44 83124 Opal Lincoln 52.3
45 82837 Leiter Sheridan 52.2
46 83118 Etna Lincoln 52.2
47 82223 Lingle Goshen 52.1
48 82643 Midwest Natrona 52.0
49 83127 Thayne Lincoln 51.4
50 82923 Boulder Sublette 51.3

Showing the top 50 of 161 ZIP codes in Wyoming that have this figure . 82051 ranks 1st at 78.1, against 51.3 in 50th place.

Other rankings for Wyoming

Cite this page

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

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