Real Estate Data API

57787 Union Center

1 active listings out of 200 total properties we track in ZIP 57787 (Union Center, SD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
1
Median
$750K
±0%
Sales (12mo)
0
Tracked
200
Zoomed out

While you're here, take in the bigger picture — maps below show South Dakota (statewide), not just 57787. Same company, same dataset, different resolution.

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Key Numbers
Tracked
200
Active
1
Median list
$750K
Sales (12mo)
0
Get this data →
Key Numbers
Tracked
200
Active
1
Median list
$750K
Sales (12mo)
0
Get this data →
Key Numbers
Tracked
200
Active
1
Median list
$750K
Sales (12mo)
0
Get this data →
Key Numbers
Tracked
200
Active
1
Median list
$750K
Sales (12mo)
0
Get this data →
Key Numbers
Tracked
200
Active
1
Median list
$750K
Sales (12mo)
0

Inventory breakdown

Distribution of the 1 currently-active listings in ZIP 57787. Full dataset covers 200 properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 0 (0%)
$500K–$750K 0 (0%)
$750K–$1M 1 (100%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 0
3 bd 0
4 bd 0
5+ bd 1
Active by property type
Single Family 1 (100%)
For Developers

Get Union Center 57787 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/57787
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "57787",
  "total_tracked": 200,
  "active": 1,
  "median_list": 750000
}
Get an API key Read the docs

ZIP 57787 · Union Center, SD real estate: market summary

As of June 2026, Straply tracks 200 homes in ZIP 57787 (Union Center, SD), with 1 active for sale at a median list price of $750,000. Notably, it has notably historic housing — 25% of homes predate 1940.

Median list price
$750,000
Active listings
1
Properties tracked
200

Frequently asked: ZIP 57787 · Union Center, SD real estate

What is the median home price in ZIP 57787?

The median list price in ZIP 57787 (Union Center, SD) is $750,000, based on 1 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 57787?

Active listings in ZIP 57787 (Union Center, SD) concentrate in: 100% $750k–$1m.

How many homes are for sale in ZIP 57787?

Straply is tracking 1 active listings in ZIP 57787 (Union Center, SD) out of 200 properties on record as of June 2026.

How old are the homes in ZIP 57787?

Most homes in ZIP 57787 (Union Center, SD) were built in the 1970s. About 19% were built after 1980, while 25% predate 1940. The newest tracked home dates to 2014.

What types of homes are in ZIP 57787?

ZIP 57787 (Union Center, SD) is mostly single-family homes (100% of listings).

How many bedrooms do homes in ZIP 57787 typically have?

The most common size in ZIP 57787 (Union Center, SD) is 5+ bd.

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