Real Estate Data API

57751 Keystone

12 active listings out of 554 total properties we track in ZIP 57751 (Keystone, SD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
12
Median
$668K
±0%
Sales (12mo)
12
Tracked
554
Zoomed out

While you're here, take in the bigger picture — maps below show South Dakota (statewide), not just 57751. Same company, same dataset, different resolution.

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Key Numbers
Tracked
554
Active
12
Median list
$668K
Sales (12mo)
12
Get this data →
Key Numbers
Tracked
554
Active
12
Median list
$668K
Sales (12mo)
12
Get this data →
Key Numbers
Tracked
554
Active
12
Median list
$668K
Sales (12mo)
12
Get this data →
Key Numbers
Tracked
554
Active
12
Median list
$668K
Sales (12mo)
12
Get this data →
Key Numbers
Tracked
554
Active
12
Median list
$668K
Sales (12mo)
12

Inventory breakdown

Distribution of the 12 currently-active listings in ZIP 57751. Full dataset covers 554 properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 1 (8.3%)
$300K–$500K 2 (16.7%)
$500K–$750K 3 (25%)
$750K–$1M 2 (16.7%)
$1M–$2M 2 (16.7%)
$2M+ 2 (16.7%)
Active by bedroom count
Studio/1 bd 1
2 bd 3
3 bd 6
4 bd 2
5+ bd 0
Active by property type
Single Family 11 (91.7%)
Townhouse 1 (8.3%)
For Developers

Get Keystone 57751 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/57751
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "57751",
  "total_tracked": 554,
  "active": 12,
  "median_list": 667500
}
Get an API key Read the docs

ZIP 57751 · Keystone, SD real estate: market summary

As of June 2026, Straply tracks 554 homes in ZIP 57751 (Keystone, SD), with 12 active for sale at a median list price of $667,500 (~$297/sq ft). Notably, most homes were built in the 2000s.

Median list price
$667,500
Median $/sq ft
$297
Active listings
12
Properties tracked
554

Frequently asked: ZIP 57751 · Keystone, SD real estate

What is the median home price in ZIP 57751?

The median list price in ZIP 57751 (Keystone, SD) is $667,500 (about $297 per square foot), based on 12 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 57751?

Active listings in ZIP 57751 (Keystone, SD) concentrate in: 25% $500k–$750k and 17% $300k–$500k.

How many homes are for sale in ZIP 57751?

Straply is tracking 12 active listings in ZIP 57751 (Keystone, SD) out of 554 properties on record as of June 2026.

How old are the homes in ZIP 57751?

Most homes in ZIP 57751 (Keystone, SD) were built in the 2000s. About 63% were built after 1980, while 13% predate 1940. The newest tracked home dates to 2025.

What types of homes are in ZIP 57751?

ZIP 57751 (Keystone, SD) is mostly single-family homes (92% of listings). Also common: townhouses 8%.

How many bedrooms do homes in ZIP 57751 typically have?

The most common size in ZIP 57751 (Keystone, SD) is 3 bd.

Data as of June 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.