Hunt & Live

Boise County, ID

8,333 residents · 1,900 sq mi · 4.4/sq mi · 100% rural

Climate
43.9°F
30.5" rain/yr
Water
humid
Aridity index 1.68
Hardiness
Zone 7b
Winter low ~7.4°F

About Boise County

Boise County is a rural mountain county in the U.S. state of Idaho. As of the 2020 United States census, the population was 7,610. The county seat is historic Idaho City, which is connected through a series of paved and unpaved roads to Lowman, Centerville, Placerville, Pioneerville, Star Ranch, Crouch, Garden Valley, and Horseshoe Bend.

78
Prepper Suitability
worsebetter
National rank: #268 of 3,109
Locator map
Location within the continental US

Prepper Assessment

Living in this rural mountain county offers a unique blend of remote terrain and a humid climate, with an annual mean temperature of 43.9°F and an average rainfall of 30.5 inches. The growing season is suitable for a variety of crops, falling within USDA zone 7b. However, the mountainous landscape may limit accessibility and create challenges for large-scale agriculture. Water availability is generally good, supporting self-sufficiency, though the rugged terrain may complicate certain homesteading activities.

This area faces significant natural hazards, including a high risk of landslides and wildfires, ranked 97 by FEMA. The winter weather can also pose challenges, with temperatures dropping as low as 17.4°F. While the population density is low at 4.4 people per square mile, the high violence percentile may raise concerns for personal safety. Additionally, the median home price of $369,300 could be a barrier for those seeking affordable housing in a rural setting.

Boise County may be well-suited for experienced homesteaders who are comfortable with remote living and can manage the risks associated with natural hazards. Individuals or families looking for a quieter lifestyle away from urban areas might thrive here, provided they have the skills and resources to navigate the challenges. However, those seeking a more structured community or who are averse to the risks of wildfires and landslides may find this area unsuitable for their needs.

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

Key Facts

Ranked #1,748 nationally
Out of 3,109 CONUS counties for composite prepper suitability.
#32 of 44 in ID
Ranked #32 of 44 counties statewide for prepper suitability.
Dominant hazard: landslide
FEMA ranks landslide risk at 97/100 here — the leading natural threat.
Extremely rural
Only 4.4 people per square mile — fewer than 5/sqmi places you in the bottom 5% nationally for density.
Climate profile
Classified as humid with a 43.9°F annual mean and 30.5" of annual precipitation. USDA hardiness zone 7b.
Housing & taxes
Median home value $369,300.

Score Breakdown

Violence
8
percentile (lower = safer)
Disasters
49
percentile (lower = safer)
Density
10
percentile (lower = emptier)
Overall FEMA Risk
48.9
NRI composite (0-100)

Natural Hazard Profile (FEMA NRI)

Avalanche 88
Cold Wave 5
Drought 12
Earthquake 40
Hail 5
Heat Wave 15
Riverine Flood 43
Ice Storm 13
Landslide 97
Lightning 9
Strong Wind 24
Tornado 4
Volcano 32
Wildfire 97
Winter Weather 52

Monthly Climate (1991–2020 normals)

Average temperature
JFMAMJ JASOND
Monthly precipitation (inches)
JFMAMJ JASOND
Summer high
82.1°F
Winter low
17.4°F
Heating degree days
7,881
Cooling degree days
214

Housing & Economy

Median home value
$369,300
Median HH income
$70,776
Price to income
5.2×
Property tax rate
0.42%
~$1,544/yr median

Community Profile

Median age
53.7
Homeownership
86%
Poverty rate
9.4%
Unemployment
3.3%

Connectivity

Broadband households
62%
No internet access
8.7%

Explore Boise 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.