Castlewood, SD housing market
The typical Castlewood home is worth about $443,000, down 2.1% in a year, 38% above the South Dakota typical home.
Home values, sales, trends and how Castlewood compares with the towns next door — updated as new data is published.
Castlewood at a glance
Typical home value, 2017–2026
Show as a table
| January | Castlewood | South Dakota |
|---|---|---|
| 2018 | $304,000 | $195,000 |
| 2019 | $322,000 | $203,000 |
| 2020 | $337,000 | $215,000 |
| 2021 | $394,000 | $235,000 |
| 2022 | $490,000 | $272,000 |
| 2023 | $531,000 | $297,000 |
| 2024 | $529,000 | $301,000 |
| 2025 | $509,000 | $312,000 |
| 2026 | $455,000 | $319,000 |
| August 2026 | $443,000 | $322,000 |
Castlewood and its neighbors
| Town | Typical value | 1-yr change | 2-bed rent | New homes 2025 | Median income |
|---|---|---|---|---|---|
| Castlewood | $443K | −2.1% | $1,160 | — | $156,667 |
| Castlewood | — | — | $1,170 | 2 | $87,045 |
| Sheridan | — | +3.2%† | $1,080 | — | $107,500 |
† FHFA price index change, where Zillow has no home value for the town.
A two-bedroom rents for about $1,160
HUD's Fair Market Rent for a two-bedroom in Castlewood is $1,160 a month, utilities included: roughly what a modest, recently rented unit costs.
Studio $800 · 4 bedrooms $1,540
U.S. Department of Housing and Urban Development, FY2026 Fair Market Rents by ZIP code (57201, 57223, 57241; Deuel County, SD), weighted by land area. A Fair Market Rent is the 40th-percentile rent plus utilities for a standard unit. Median rent: U.S. Census Bureau, American Community Survey.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers.