Data as of September 2026. Source: Realtor.com.
The CASTLEWOOD, SD real estate market (57223) currently shows 7 active listings, with 4 pending sales. Homes are averaging 22 days on the market before going under contract.
Inventory has increased compared to last year, with 2 more homes available — giving buyers more choice.
Homes are selling faster, averaging 22 days on market compared to 72 days last year.
The median listing price has risen 96.9% year-over-year, from $325,000 to $639,900.
Population: 1,317 · Density: 4.1/mi² · Median household income: $83,295
Typical home value: $203,955 · Homeownership: 86.2%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 57223 | Castlewood, SD 57223 | 0.0 mi | 3 | $851,949 | $245,250 | $283,983 |
| 57241 | Hayti, SD 57241 | 10.4 mi | 3 | $958,350 | $319,450 | $319,450 |
| 57238 | Goodwin, SD 57238 | 13.3 mi | 1 | $434,900 | $434,900 | $434,900 |
| 57201 | Watertown, SD 57201 | 16.1 mi | 93 | $33,174,123 | $329,400 | $356,711 |
| 57218 | Brandt, SD 57218 | 20.4 mi | 1 | $480,000 | $480,000 | $480,000 |
| 57221 | Bryant, SD 57221 | 22.9 mi | 1 | $249,900 | $249,900 | $249,900 |
| 57237 | Gary, SD 57237 | 24.5 mi | 2 | $988,900 | $494,450 | $494,450 |
| 57276 | White, SD 57276 | 27.0 mi | 1 | $240,000 | $240,000 | $240,000 |
| 57259 | Revillo, SD 57259 | 29.3 mi | 1 | $183,900 | $183,900 | $183,900 |
| 57263 | South Shore, SD 57263 | 29.8 mi | 1 | $169,900 | $169,900 | $169,900 |
| 56136 | Hendricks, MN 56136 | 32.4 mi | 4 | $843,268 | $124,450 | $210,817 |
| 57278 | Willow Lake, SD 57278 | 33.6 mi | 1 | $239,000 | $239,000 | $239,000 |
| 57231 | De Smet, SD 57231 | 36.7 mi | 7 | $2,288,636 | $324,900 | $326,948 |
As of September 2026, there are 7 active listings in CASTLEWOOD, SD (zip code 57223), compared to 5 the prior year.
The median listing price in CASTLEWOOD, SD 57223 is $639,900 as of September 2026, a 96.9% increase from $325,000 the prior year.
Homes in CASTLEWOOD, SD 57223 spend an average of 22 days on the market before going under contract, compared to 72 days the prior year.
Based on current inventory and days-on-market data as of September 2026, CASTLEWOOD, SD 57223 is currently a Balanced Market. Inventory has increased compared to last year, with 2 more homes available — giving buyers more choice. Homes are selling faster, averaging 22 days on market compared to 72 days last year.
With SELL123.com's maximum 3% commission, sellers in CASTLEWOOD, SD 57223 save an estimated $12,798 compared to a typical 5% commission on the median listing price of $639,900. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.