Madison County ZIP Codes

List of ZIP Codes in Madison County

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


S.N. Zip Code Latitude Longitude City Population Density
1 83436 43.8588 -111.46665 Newdale 839 3.2
2 83440 43.81092 -111.80779 Rexburg 50,669 107.7
3 83448 43.85082 -111.70529 Sugar City 3,074 41.2
4 83451 43.86595 -111.63489 Teton 902 21.0
5 83460 43.81639 -111.7826 Rexburg 35 47.0


About Madison County ZIP Codes

Madison County in Idaho (ID) is served by approximately 5 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 55,519 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 Madison County are located in cities such as Rexburg, Sugar City, Teton, Newdale. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Madison County, Idaho follow the America/Boise time zone.