Keystone, SD is a small town located in the Black Hills area of South Dakota. With a population of 469 people, Keystone has a population density of 123 people per square mile. It may be small but there’s plenty to do. Keystone is home to many year-round outdoor activities such as fishing, skiing, camping, and climbing in the nearby mountains. Local businesses include Mt Rushmore Trading Post and the Alpine Inn Restaurant. There are also many organizations within Keystone such as churches, youth groups, and volunteer clubs. For those looking for some friendly competition, there is a local softball league that plays from spring till fall every year. Ultimately, Keystone is a great place to live and visit due to its array of activities and organizations available for all ages and interests.
The population in Keystone is 469. There are 164 people per square mile aka population density. The median age in Keystone is 36.8, the US median age is 38.4. The number of people per household in Keystone is 2.3, the US average of people per household is 2.6.
Family in Keystone
- 51.7% are married
- 16.1% are divorced
- 41.3% are married with children
- 10.7% have children, but are single
Race in Keystone
- 69.2% are White
- 0.7% are Black
- 4.5% are Asian
- 4.7% are Native American
- 0.2% claim Other
- 16.1% claim Hispanic ethnicity
- 4.3% Two or more races
- 0.2% Hawaiian, Pacific Islander