Howard County, Iowa ZIP Codes

Zip Code
City
Population ↓
52136Cresco5,840
50466Riceville1,972
50628Elma1,423
52155Lime Springs1,110
52163Protivin333
52134Chester223

Overview of ZIP Codes in Howard 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Howard County, Iowa (US Census).

Sources

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

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