There are 7 zip codes in Lawrence County, South Dakota. The most populated is 57783, located in Spearfish. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5778316,533Spearfish
577543,542Lead
577932,107Whitewood
577321,944Deadwood
57799565Spearfish
57759338Nemo
57779267Saint Onge
showing: 7 rows

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