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MT area data

Big Arm, MT

Big Arm, MT.

Population: 692 (Census ACS)

Home values & appreciation

Median home value
$917,445
1-year appreciation
-0.8%
3-year appreciation
+5.1%
5-year appreciation
+29.2%
10-year appreciation
+106.1%
All-time peak (2024-09)
$978,887
House Price Index
724.8 (-1.8% YoY)

Affordability

Cost of living index (Average)
95.5 (100 = US avg)
Electricity rate (state-level)
13.0¢/kWh
Natural gas rate (state-level)
$9.00/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
avalanche, winterWeather, coldWave, earthquake, iceStorm

Climate (30-year normals)

Annual precipitation
26.4 in

Air quality

Air quality rating
Good
Median AQI (annual)
13
Days with Good air quality
101
Days with Unhealthy air quality
1

Amenities

Nearest airport
Candylands Airport (2 mi)
Hospitals nearby (~15 mi)
1,090
Avg hospital rating
3.1 / 5
EV charging stations (within 10 mi)
2
Solar radiation rating
Fair (3.8 kWh/m²/day)

Migration

Net migration
+294 tax filers

Housing stock

Median year housing built
1,991
Median annual property tax
$3,404
Households with broadband internet
68.4%

Employment & development

Total county employment
6,622
Average weekly wage
$837
Top industries (by employment)
Health Care, Accommodation & Food, Construction
Annual residential building permits (county)
8

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