Madison County, Iowa ZIP Codes

Zip Code
City
Population ↓
50273Winterset8,950
50261Van Meter3,399
50072Earlham2,979
50240Saint Charles2,393
50061Cumming2,123
50070Dexter1,221
50257Truro914
50149Lorimor883
50218Patterson346
50222Peru328
50155Macksburg94
50033Bevington12

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.
12
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 12 ZCTAs in Madison County, Iowa (US Census).

Sources

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

Recommended Reading