Custer County, ID
4,506 residents · 4,922 sq mi · 0.9/sq mi · 100% rural
About Custer County
Custer County is a rural mountain county in the center of the U.S. state of Idaho. As of the 2020 census, the population was 4,275, making it the fifth-least populous county in Idaho. The county seat is Challis. Established in 1881, the county was named for the General Custer Mine, where gold was discovered five years earlier. Custer County relies on ranching, mining, and tourism as its main resources.
Prepper Assessment
Living in this rural mountain area offers a unique experience with a low population density of just 0.9 people per square mile. The climate features an annual mean temperature of 38.6°F, with summer highs averaging 76.8°F and winter lows around 10°F. The USDA plant hardiness zone is 7a, allowing for a reasonable growing season, though the 22 inches of annual rainfall may require careful management of water resources for self-sufficient living. The terrain is rugged, which can present both challenges and opportunities for homesteading.
Natural hazards pose significant risks in the area, with landslide (FEMA rank 98) and avalanche (97) being the most concerning. Wildfire risk is also notable, ranked at 87, along with the potential for earthquakes (79) and riverine flooding (57). The violence percentile is higher at 78, indicating potential safety concerns. The median home price of $282,000 may be a barrier for some, especially considering the median household income of $60,357, which could limit affordability for new residents.
This county could be a good fit for those seeking a remote, rural lifestyle and who are prepared to manage the risks associated with natural hazards. Individuals with skills in ranching, mining, or tourism may thrive here, capitalizing on local resources. However, those seeking urban amenities, lower housing costs, or a more stable climate might find this area less suitable, particularly given the challenges of severe weather and limited broadband access in some parts.