About ZIP Code 57231

ZIP code 57231 is assigned to De Smet, Kingsbury County, South Dakota, United States. It falls in the Central Time (CT) zone. The estimated population of this ZIP code area is 1,724 with a density of 2.7 people per square mile.

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Location Details

ZIP Code57231
CityDe Smet
CountyKingsbury County
CountryUnited States
TimezoneCentral Time (CT)
Timezone IDAmerica/Chicago
Latitude44.3749
Longitude-97.5824
ZIP TypeStandard ZIP

Post Office

Address119 CALUMET AVE SW
CityDE SMET
StateSD

Nearby ZIP Codes in South Dakota

Frequently Asked Questions

What city is ZIP code 57231 in?

ZIP code 57231 is in De Smet, Kingsbury County, South Dakota, United States.

What county is ZIP code 57231 in?

ZIP code 57231 is in Kingsbury County, South Dakota.

What timezone is ZIP code 57231 in?

ZIP code 57231 is in the Central Time (CT) zone (America/Chicago).

What is the population of ZIP code 57231?

The estimated population of ZIP code 57231 is 1,724 people with a density of 2.7 people per square mile.

What state is ZIP code 57231 in?

ZIP code 57231 is in South Dakota (SD), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.