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ZIP Code 57631 – Glenham, SD

Glenham, South Dakota · Walworth County · Central time

ZIP code57631
CityGlenham
StateSouth Dakota
CountyWalworth CountyCampbell County
Area code605
Population364
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area130.04 sq mi
Center (lat, long)45.5891, -100.2961

Map

Nearby ZIP codes

57646 Mound City · 13.1 mi57658 Wakpala · 14 mi57472 Selby · 14.3 mi57601 Mobridge · 17.6 mi57632 Herreid · 20.8 mi57452 Java · 21.3 mi57420 Akaska · 22.5 mi57648 Pollock · 23.5 mi

About ZIP 57631

ZIP code 57631 is assigned to Glenham, South Dakota. It crosses 2 counties; most of its land is in Walworth County. Its Census area covers about 130.04 square miles of land. The closest neighboring ZIP is 57646 (Mound City), about 13.1 miles away.

Every address in 57631 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources