Hunt & Live

Sweet Grass County, MT

3,715 residents · 1,856 sq mi · 2.0/sq mi · 100% rural

Climate
43°F
19.5" rain/yr
Water
humid
Aridity index 1.12
Hardiness
Zone 7b
Winter low ~6.3°F

About Sweet Grass County

Sweet Grass County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 3,678. Its county seat is Big Timber. The county was founded in 1895.

73
Prepper Suitability
worsebetter
National rank: #396 of 3,109
Locator map
Location within the continental US

Prepper Assessment

Living in Sweet Grass County offers a predominantly rural lifestyle with a low population density of just 2.0 people per square mile, which may appeal to those seeking remoteness. The climate features an annual mean temperature of 43.0°F, with summer highs averaging 79.8°F and winter lows around 16.3°F. The area receives about 19.5 inches of rain per year, supporting a growing season suitable for crops typical of USDA zone 7b, although the cooler temperatures may limit some agricultural options.

Natural hazards present some challenges; the county has a notable wildfire risk, ranked 88th by FEMA, alongside avalanche and landslide risks. While the area is generally safe from violence, with a violence percentile of 92, the low population density may lead to limited access to emergency services. The housing market shows a median home price of $271,100, which may be a barrier for some, especially given the median household income of $64,872 and an effective property tax rate of 0.54%.

This county is likely a good fit for individuals or families seeking a quiet, rural lifestyle with a focus on self-sufficiency, particularly those who can adapt to the climate and manage the risks. Homesteaders who thrive on isolation and have experience with land management may find opportunities here. However, those reliant on urban amenities or concerned about natural hazards may find Sweet Grass County less suitable, as the remoteness and associated risks could be significant dealbreakers.

AI-generated analysis based on county data (climate, hazards, density, housing, economy). For general orientation only.

Key Facts

Ranked #656 nationally
Out of 3,109 CONUS counties for composite prepper suitability.
#15 of 56 in MT
Ranked #15 of 56 counties statewide for prepper suitability.
Dominant hazard: wildfire
FEMA ranks wildfire risk at 88/100 here — the leading natural threat.
Extremely rural
Only 2.0 people per square mile — fewer than 5/sqmi places you in the bottom 5% nationally for density.
Climate profile
Classified as humid with a 43.0°F annual mean and 19.5" of annual precipitation. USDA hardiness zone 7b.
Housing & taxes
Median home value $271,100.

Score Breakdown

Violence
68
percentile (lower = safer)
Disasters
8
percentile (lower = safer)
Density
4
percentile (lower = emptier)
Overall FEMA Risk
8.1
NRI composite (0-100)

Natural Hazard Profile (FEMA NRI)

Avalanche 61
Cold Wave 30
Drought 18
Earthquake 35
Hail 21
Heat Wave 7
Riverine Flood 20
Ice Storm 4
Landslide 56
Lightning 18
Strong Wind 3
Tornado 4
Wildfire 88
Winter Weather 32

Monthly Climate (1991–2020 normals)

Average temperature
JFMAMJ JASOND
Monthly precipitation (inches)
JFMAMJ JASOND
Summer high
79.8°F
Winter low
16.3°F
Heating degree days
8,194
Cooling degree days
192

Housing & Economy

Median home value
$271,100
Median HH income
$64,872
Price to income
4.2×
Property tax rate
0.54%
~$1,472/yr median

Community Profile

Median age
43.6
Homeownership
76.3%
Poverty rate
6%
Unemployment
2.1%

Connectivity

Broadband households
64.6%
No internet access
10.8%

Explore Sweet Grass County Further

Similar Counties

Data sources. Prepper scores are national percentile ranks of firearm fatalities (County Health Rankings 2024 / CDC WONDER), FEMA National Risk Index 2023 composite disaster score, and population density (ACS 2022 + TIGER 2022 land area). Climate from NOAA nClimDiv 1991–2020 normals. Hardiness zone is estimated from climate data and may differ from the official USDA PHZM. Demographics and housing from Census ACS 5-year 2022. All scores are for comparison purposes only and do not constitute advice about where to live.