SD area data
Sinai, SD
Sinai, SD.
Population: 215 (Census ACS)
Home values & appreciation
- House Price Index
- 496.2 (+2.9% YoY)
Affordability
- Cost of living index (Low)
- 88.6 (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%
Natural hazards & flood risk
- Overall hazard risk
- Relatively Low
- Top hazards
- winterWeather, coldWave, hail, iceStorm, strongWind
Climate (30-year normals)
- Annual precipitation
- 28.5 in
- Annual snowfall
- 45.8 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 36
- Days with Good air quality
- 292
Amenities
- National parks within ~60 mi
- 1
- Nearest national park
- Pipestone National Monument (38 mi)
- Nearest airport
- Brookings Regional Airport (BKX) (11 mi)
- Hospitals nearby (~15 mi)
- 10
- Avg hospital rating
- 4.0 / 5
- Solar radiation rating
- Fair (4.0 kWh/m²/day)
Housing stock
- Median year housing built
- 1,938
- Median annual property tax
- $1,222
- Households with broadband internet
- 66.7%
Employment & development
- Total county employment
- 14,760
- Average weekly wage
- $1,038
- Top industries (by employment)
- Accommodation & Food, Health Care, Construction
- Annual residential building permits (county)
- 144
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 →