McCook County, South Dakota ZIP Codes

Zip Code
City
Population ↓
57058Salem1,881
57048Montrose1,237
57012Canistota1,168
57319Bridgewater881
57047Monroe389
57374Spencer272

Overview of ZIP Codes in McCook 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in McCook County, South Dakota (US Census).

Sources

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

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