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SD area data

Twin Brooks, SD

Twin Brooks, SD.

Population: 186 (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
Very Low
Top hazards
coldWave, iceStorm

Climate (30-year normals)

Average annual temperature
43.7°F
Average high
53.7°F
Average low
33.7°F
Annual precipitation
24.3 in
Annual snowfall
44.7 in

Amenities

Nearest airport
South Shore Airport (10 mi)
Nearest major airport
Watertown Regional Airport (ATY) (27 mi)
Hospitals nearby (~15 mi)
8
Avg hospital rating
4.0 / 5
Solar radiation rating
Fair (3.9 kWh/m²/day)

Housing stock

Median year housing built
1,976
Median annual property tax
$1,307
Households with broadband internet
44.7%

Employment & development

Total county employment
3,490
Average weekly wage
$1,056
Top industries (by employment)
Wholesale Trade, Construction, Accommodation & Food
Annual residential building permits (county)
13

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 →

Data compiled by REAIGENT7 — AI listing platform for real estate agents