There are 3 zip codes in Sanborn County, South Dakota. The most populated is 57385, located in Woonsocket. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
573851,335Woonsocket
57314648Artesian
57359612Letcher
showing: 3 rows

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