Palo Alto County, Iowa ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
50536Emmetsburg4,207
51342Graettinger1,385
50597West Bend1,341
51358Ruthven1,213
50562Mallard377
50528Cylinder366
50515Ayrshire251
50527Curlew106

Overview of ZIP Codes in Palo Alto 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 Palo Alto County, Iowa (US Census).

Sources

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

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