Madison County, Idaho ZIP Codes

5 ZIP Codes

Zip Code
City
Population ↓
83440Rexburg51,421
83448Sugar City3,365
83451Teton993
83436Newdale778
83460Rexburg56

Overview of ZIP Codes in Madison County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
5
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 5 ZCTAs in Madison County, Idaho (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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