There are 11 zip codes in Sheridan County, Wyoming. The most populated is 82801, located in Sheridan. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8280125,665Sheridan
828391,354Ranchester
828321,259Banner
828361,085Dayton
82842548Story
82838519Parkman
82835363Clearmont
82833226Big Horn
8284585Wyarno
8283738Leiter
8284410Wolf

Zip Codes in Sheridan County, Wyoming by Population (2024)