the resident population of the United States more»
| City: | Keystone |
| State: | South Dakota |
| Area Code: | 605 |
| Latitude: | 43.885196 |
| Longitude: | -103.429098 |
| Time Zone: | Eastern GMT -7 |
| City Alias(es): | |
| Population: | 577 |
| 2000 Population: | 714 |
| White Population: | 649 |
| Black Population: | 2 |
| Hispanic Population: | 15 |
| Hawaiian Population: | 47 |
| Other Population: | 1 |
| Male Population: | 371 |
| Female Population: | 343 |
| Median Age: | 39.60 |
| Male Median Age: | 39.70 |
| Female Median Age: | 39.50 |
| Households: | 398 |
| Average Household Size: | 2.28 |
| Average House Value: | $97,300 |
| Average Household Income: | $31,354 |
| Number of Businesses: | 65 |
| Number of Employees: | 190 |
| Annual Payroll: | $5,477,000 |
| Land Area: | 35.755 sq mi |
| Water Area: | 0.009 sq mi |
Rapid City, SD ( 15.6 miles)
Hermosa, SD ( 15.7 miles)
Hill City, SD ( 18.9 miles)
Fairburn, SD ( 19.6 miles)
Pringle, SD ( 19.9 miles)
Custer, SD ( 19.9 miles)