Douglas County, South Dakota ZIP Codes

5 ZIP Codes

Zip Code
City
Population ↓
57328Corsica1,290
57313Armour1,220
57330Delmont594
57344Harrison39
57364New Holland4

Overview of ZIP Codes in Douglas 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 Douglas County, South Dakota (US Census).

Sources

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

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