Unshakable ZIP Data 57730 | Custer, SD Housing Market
Custer · Custer County · Rapid City, SD metro · South Dakota · Data updated June 19, 2026
The median sale price in ZIP 57730, Custer, South Dakota is $634,812 at $285 per square foot. 20 single-family homes sold in the latest period, up 39.7 percent from a year earlier. Homes sit a median of 93 days on market with 6.4 months of supply. Sellers are getting 96.0 percent of list price and 5.3 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $493,485 | |
| Average price per sq ft | $222 | |
| Median sale price | $634,812 | |
| Median sale price per sq ft | $285 | |
| Median home size | 2,225 sq ft | |
| Median new listing price | $654,405 | +36.6% |
| National size rank | 12,905 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 20 | +39.7% |
| Median days on market | 93 days | |
| Months of supply | 6.4 months | |
| New listings | 31 | +25.9% |
| Active listings | 60 | +6.7% |
| Pending sales | 19 | -12.5% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 96.0% | -0.7 pts |
| Share sold above list | 5.3% | -1.9 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$405,270
3-bedroom
$537,599
4-bedroom
$567,581
These figures describe the single-family market for Custer, South Dakota ZIP 57730. They are market context, not a substitute for sold comps or a formal appraisal.