Unshakable ZIP Data 57751 | Keystone, SD Housing Market
Keystone · Pennington County · Rapid City, SD metro · South Dakota · Data updated June 19, 2026
The median sale price in ZIP 57751, Keystone, South Dakota is $684,797 at $244 per square foot. 2 single-family homes sold in the latest period. Homes sit a median of 299 days on market with 8.0 months of supply. Sellers are getting 94.7 percent of list price and 0.0 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $537,796 | |
| Average price per sq ft | $191 | |
| Median sale price | $684,797 | |
| Median sale price per sq ft | $244 | |
| Median home size | 2,810 sq ft | |
| Median new listing price | $1,051,016 | +50.4% |
| National size rank | 24,003 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 2 | |
| Median days on market | 299 days | |
| Months of supply | 8.0 months | |
| New listings | 4 | -18.8% |
| Active listings | 8 | -19.0% |
| Pending sales | 3 | +204.1% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 94.7% | |
| Share sold above list | 0.0% |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$449,389
3-bedroom
$587,811
These figures describe the single-family market for Keystone, South Dakota ZIP 57751. They are market context, not a substitute for sold comps or a formal appraisal.