There are 3 zip codes in Johnson County, Wyoming. The most populated is 82834, located in Buffalo. * 2024 populations estimated based on the latest ACS 5-year data.

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
Population
City
828347,517Buffalo
82639824Kaycee
82640115Linch
showing: 3 rows

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