Weston County ZIP Codes

List of ZIP Codes in Weston County

The following table lists ZIP Codes associated with Weston 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 82701 43.71185 -104.4451 Newcastle 5,411 1.2
2 82723 43.98898 -104.42397 Osage 118 0.3
3 82730 44.04378 -104.70031 Upton 1,346 0.9


About Weston County ZIP Codes

Weston 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 6,875 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 Weston County are located in cities such as Newcastle, Upton, Osage. These cities and towns help define the economic and demographic character of the county.

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