Johnson County ZIP Codes

List of ZIP Codes in Johnson County

The following table lists ZIP Codes associated with Johnson County, Wyoming, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 82639 43.73555 -106.6978 Kaycee 649 0.2
2 82640 43.55214 -106.11811 Linch 142 2.1
3 82834 44.25386 -106.74481 Buffalo 7,699 1.8


About Johnson County ZIP Codes

Johnson County in Wyoming (WY) is served by approximately 3 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 8,490 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Johnson County are located in cities such as Buffalo, Kaycee, Linch. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Johnson County, Wyoming follow the America/Denver time zone.