There are 6 zip codes in Codington County, South Dakota. The most populated is 57201, located in Watertown. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5720126,119Watertown
57235843Florence
57243569Henry
57263477South Shore
57272208Wallace
57245196Kranzburg

Zip Codes in Codington County, South Dakota by Population (2024)