Mills County, Iowa ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
51534Glenwood8,874
51551Malvern1,842
51561Pacific Junction1,039
51571Silver City902
51540Hastings372
51541Henderson273
51554Mineola194

Overview of ZIP Codes in Mills 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.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Mills County, Iowa (US Census).

Sources

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

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