Idaho Falls ZIP Codes

List of Zip Codes of Idaho Falls

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


S.N. Zip Code Latitude Longitude County Population Density
1 83401 43.53222 -111.86516 Bonneville 47,170 92.3
2 83402 43.53011 -112.16786 Bonneville 29,683 67.0
3 83404 43.42818 -112.01432 Bonneville 26,103 403.4
4 83406 43.43768 -111.93382 Bonneville 19,991 241.0


About Idaho Falls Idaho Zip Codes

The city of Idaho Falls in Idaho (ID) is served by approximately 4 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 122,947 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Idaho Falls fall within county jurisdictions such as Bonneville. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Idaho Falls, Idaho follow the America/Boise time zone.