There are 7 zip codes in Day County, South Dakota. The most populated is 57274, located in Webster. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
Population
City
572742,685Webster
572731,173Waubay
57219521Bristol
57239387Grenville
57261296Roslyn
57468277Pierpont
57422157Andover

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