Floyd County, Iowa ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
50616Charles City9,358
50458Nora Springs2,094
50468Rockford1,617
50471Rudd740
50435Floyd713
50653Marble Rock486
50620Colwell36

Overview of ZIP Codes in Floyd 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.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Floyd County, Iowa (US Census).

Sources

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

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