Franklin County, Iowa ZIP Codes

Zip Code
City
Population ↓
50441Hampton5,450
50601Ackley2,299
50475Sheffield1,446
50452Latimer946
50420Alexander473
50633Geneva423
50431Coulter228
50427Chapin137
50227Popejoy107
50605Aredale63
50041Bradford51

Overview of ZIP Codes in Franklin 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.
11
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 11 ZCTAs in Franklin County, Iowa (US Census).

Sources

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

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