Hunt & Live

Lemhi County, ID

8,240 residents · 4,564 sq mi · 1.8/sq mi · 100% rural

Climate
39.7°F
20.8" rain/yr
Water
humid
Aridity index 1.3
Hardiness
Zone 7a
Winter low ~2.5°F

About Lemhi County

Lemhi County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 7,974. The largest city and county seat is Salmon. The county was established in 1869 and named after Fort Lemhi, a remote Mormon missionary settlement from 1855 to 1858 on Bannock and Shoshone territory.

82
Prepper Suitability
worsebetter
National rank: #147 of 3,109
Locator map
Location within the continental US

Prepper Assessment

This area features rugged terrain with a low population density of 1.8 people per square mile, offering a sense of remoteness ideal for self-sufficient living. The climate is characterized by an annual mean temperature of 39.7°F and an average of 20.8 inches of rainfall per year, supporting a growing season suitable for hardy crops in USDA zone 7a. However, the winter lows can drop to 12.5°F, which may limit the types of crops that can be grown without protective measures.

Natural hazards pose significant risks, with the highest FEMA rankings for landslide (96) and wildfire (93) indicating a notable threat to property and safety. The area also has a relatively high violence percentile of 98, suggesting that while the population is sparse, there may be safety concerns to consider. The cost of living is moderate, with median home prices at $254,800 and a low effective property tax rate of 0.43%, but median household income is only $49,216, which could make housing less affordable for some.

This county may appeal to those seeking a quiet, rural lifestyle with opportunities for self-sufficiency and a strong connection to nature. Individuals who thrive here will likely be self-reliant and prepared for the challenges posed by the climate and natural hazards. However, those who prefer urban amenities or are not comfortable managing the risks associated with wildfires and landslides may find this location unsuitable for their needs.

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

Key Facts

Ranked #1,397 nationally
Out of 3,109 CONUS counties for composite prepper suitability.
#27 of 44 in ID
Ranked #27 of 44 counties statewide for prepper suitability.
Dominant hazard: landslide
FEMA ranks landslide risk at 96/100 here — the leading natural threat.
Extremely rural
Only 1.8 people per square mile — fewer than 5/sqmi places you in the bottom 5% nationally for density.
Climate profile
Classified as humid with a 39.7°F annual mean and 20.8" of annual precipitation. USDA hardiness zone 7a.
Housing & taxes
Median home value $254,800.

Score Breakdown

Violence
8
percentile (lower = safer)
Disasters
41
percentile (lower = safer)
Density
4
percentile (lower = emptier)
Overall FEMA Risk
41.4
NRI composite (0-100)

Natural Hazard Profile (FEMA NRI)

Avalanche 60
Cold Wave 31
Drought 14
Earthquake 54
Hail 5
Heat Wave 13
Riverine Flood 60
Ice Storm 7
Landslide 96
Lightning 78
Strong Wind 4
Tornado 3
Volcano 13
Wildfire 93
Winter Weather 22

Monthly Climate (1991–2020 normals)

Average temperature
JFMAMJ JASOND
Monthly precipitation (inches)
JFMAMJ JASOND
Summer high
77.6°F
Winter low
12.5°F
Heating degree days
9,279
Cooling degree days
77

Housing & Economy

Median home value
$254,800
Median HH income
$49,216
Price to income
5.2×
Property tax rate
0.43%
~$1,091/yr median

Community Profile

Median age
53.2
Homeownership
83.6%
Poverty rate
10.7%
Unemployment
3.1%

Connectivity

Broadband households
63.3%
No internet access
12.5%

Explore Lemhi County Further

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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.