SD area data
Allen, SD
Allen, SD.
Population: 1,144 (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%
Schools
- Total schools
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
Natural hazards & flood risk
- Overall hazard risk
- Very Low
Climate (30-year normals)
- Annual precipitation
- 22.1 in
Amenities
- National parks within ~60 mi
- 2
- Nearest national park
- Minuteman Missile National Historic Site (52 mi)
- Nearest airport
- Martin Municipal Airport (3 mi)
- Hospitals nearby (~15 mi)
- 3
- Solar radiation rating
- Fair (4.4 kWh/m²/day)
Housing stock
- Median year housing built
- 1,983
- Households with broadband internet
- 23.6%
Employment & development
- Total county employment
- 460
- Average weekly wage
- $658
- Top industries (by employment)
- Construction, Other Services, Information
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 →