Keystone, South Dakota

Keystone is located in Pennington County. About 240 people live here (as of 2020). Between 2010 and 2020, the population declined from 337 to 240. The region is at 1320 meters above sea level. The area covers about 7.4 square kilometers. There are about 150 streets in Keystone. The region was founded in 1883. The ZIP codes are 57751. The dialing code is 605. Keystone is town in Pennington County, South Dakota. Among other things, Keystone has public Transport, hotels, restaurants, attractions and museums.

Keystone – Facts

Population 240
Area 7.4 km²
Year built 1883
Elevation 1320 m
Located in Pennington County
Postal code 57751
Country United States
Official name Keystone

Data source: Wikidata (CC0)

Streets in Keystone, South Dakota