There are 6 zip codes in Marshall County, South Dakota. The most populated is 57430, located in Britton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
574301,900Britton
57270758Veblen
57454726Langford
57232540Eden
57247175Lake City
5742154Amherst

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