Hancock County, Iowa ZIP Codes

9 ZIP Codes

Zip Code
City
Population ↓
50438Garner3,995
50423Britt2,291
50447Kanawha1,145
50449Klemme785
50430Corwith520
50457Meservey463
50439Goodell454
50484Woden411
50432Crystal Lake283

Overview of ZIP Codes in Hancock 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.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Hancock County, Iowa (US Census).

Sources

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

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