SD area data
Castlewood, SD
Castlewood, SD.
Population: 1,429 (Census ACS)
Home values & appreciation
- Median home value
- $352,114
- 1-year appreciation
- +13.8%
- All-time peak (2026-07)
- $352,114
- House Price Index
- 496.2 (+2.9% YoY)
Market activity
- Median sale price
- $200,950
- Median list price
- $355,000
- Median days on market
- 162 days
- Sale-to-list ratio
- 102.8%
- Active listings
- 2
- 1-year forecast
- +2.1%
Rents
- 2-bedroom fair-market rent (HUD reference)
- $1,218/mo
- 3BR fair-market rent
- $1,584/mo
Affordability
- Cost of living index (Below Average)
- 90.0 (100 = US avg)
- Electricity rate (state-level)
- 13.4¢/kWh
- Natural gas rate (state-level)
- $9.90/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 4
- Elementary schools
- 2
- Middle schools
- 1
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Very Low
- Top hazards
- iceStorm
- FEMA flood zone
- C
- Flood risk level
- Minimal
Climate (30-year normals)
- Average annual temperature
- 43.0°F
- Average high
- 54.0°F
- Average low
- 32.0°F
- Annual precipitation
- 25.1 in
Walkability & transit
- Walkability index
- 6.2 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 1
- Nearest national park
- Pipestone National Monument (59 mi)
- Nearest airport
- Watertown Regional Airport (ATY) (16 mi)
- Nearest major airport
- Watertown Regional Airport (ATY) (16 mi)
- Hospitals nearby (~15 mi)
- 1
- Avg hospital rating
- 4.0 / 5
- Solar radiation rating
- Fair (3.9 kWh/m²/day)
Migration
- Net migration
- +19 tax filers
Housing stock
- Median year housing built
- 1,976
- Median annual property tax
- $2,476
- Mean commute to work
- 18 min
- Households with broadband internet
- 70.6%
Employment & development
- Total county employment
- 1,990
- Average weekly wage
- $1,094
- Top industries (by employment)
- Construction, Wholesale Trade, Health Care
- Annual residential building permits (county)
- 12
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →