Boone County, Iowa ZIP Codes

Zip Code
City
Population ↓
50036Boone16,154
50156Madrid4,575
50212Ogden2,993
50276Woodward2,679
50223Pilot Mound236
50040Boxholm168
50152Luther138
50031Beaver51

Overview of ZIP Codes in Boone 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.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Boone County, Iowa (US Census).

Sources

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

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