Polk County, Nebraska ZIP Codes

5 ZIP Codes

Zip Code
City
Population ↓
68666Stromsburg1,514
68651Osceola1,364
68662Shelby1,088
68654Polk569
68367Gresham342

Overview of ZIP Codes in Polk 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.
5
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 5 ZCTAs in Polk County, Nebraska (US Census).

Sources

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

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