Real Estate Data API

57223 Castlewood

19 active listings out of 623 total properties we track in ZIP 57223 (Castlewood, SD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
19
Median
$359K
±0%
Sales (12mo)
6
Tracked
623
Zoomed out

While you're here, take in the bigger picture — maps below show South Dakota (statewide), not just 57223. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
623
Active
19
Median list
$359K
Sales (12mo)
6
Get this data →
Key Numbers
Tracked
623
Active
19
Median list
$359K
Sales (12mo)
6
Get this data →
Key Numbers
Tracked
623
Active
19
Median list
$359K
Sales (12mo)
6
Get this data →
Key Numbers
Tracked
623
Active
19
Median list
$359K
Sales (12mo)
6
Get this data →
Key Numbers
Tracked
623
Active
19
Median list
$359K
Sales (12mo)
6

Inventory breakdown

Distribution of the 19 currently-active listings in ZIP 57223. Full dataset covers 623 properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 4 (21.1%)
$300K–$500K 10 (52.6%)
$500K–$750K 4 (21.1%)
$750K–$1M 1 (5.3%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 3
2 bd 5
3 bd 9
4 bd 0
5+ bd 2
Active by property type
Single Family 19 (100%)
For Developers

Get Castlewood 57223 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/57223
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "57223",
  "total_tracked": 623,
  "active": 19,
  "median_list": 359000
}
Get an API key Read the docs

Nearby ZIP codes

Other South Dakota ZIPs within a short drive of 57223.

57234
→
Estelline 57234
10 mi away 33 active
57241
→
Hayti 57241
10.2 mi away 20 active
57245
→
Kranzburg 57245
11.1 mi away 2 active
57248
→
Lake Norden 57248
11.9 mi away 55 active
57238
→
Goodwin 57238
12.5 mi away 2 active
57201
→
Watertown 57201
13.5 mi away 441 active
57226
→
Clear Lake 57226
16 mi away 27 active
57242
→
Hazel 57242
16.7 mi away 5 active
Looking for more? Explore Castlewood

ZIP 57223 · Castlewood, SD real estate: market summary

As of November 2026, Straply tracks 623 homes in ZIP 57223 (Castlewood, SD), with 19 active for sale at a median list price of $359,000 (~$412/sq ft). Notably, it has notably historic housing — 38% of homes predate 1940.

Median list price
$359,000
Median $/sq ft
$412
Active listings
19
Properties tracked
623

Frequently asked: ZIP 57223 · Castlewood, SD real estate

What is the median home price in ZIP 57223?

The median list price in ZIP 57223 (Castlewood, SD) is $359,000 (about $412 per square foot), based on 19 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 57223?

Active listings in ZIP 57223 (Castlewood, SD) concentrate in: 53% $300k–$500k and 21% under $300k.

How many homes are for sale in ZIP 57223?

Straply is tracking 19 active listings in ZIP 57223 (Castlewood, SD) out of 623 properties on record as of November 2026.

How old are the homes in ZIP 57223?

Most homes in ZIP 57223 (Castlewood, SD) were built in the 2000s. About 35% were built after 1980, while 38% predate 1940. The newest tracked home dates to 2025.

What types of homes are in ZIP 57223?

ZIP 57223 (Castlewood, SD) is mostly single-family homes (100% of listings).

How many bedrooms do homes in ZIP 57223 typically have?

The most common size in ZIP 57223 (Castlewood, SD) is 3 bd.

What areas are near ZIP 57223?

Nearby markets Straply also tracks include Estelline 57234, Hayti 57241, Kranzburg 57245, Lake Norden 57248.

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