Sheridan County Disaster Risk

Sheridan County has a FEMA National Risk Index rating of Relatively Low, placing it in the 65th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.

Sheridan County is evaluated for five major natural hazard types: wildfire (94th percentile), flooding (74th percentile), earthquake (65th percentile), tornado (22th percentile). The highest-risk hazard is wildfire at the 94th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.

Sheridan County's composite risk percentile is 65th, compared to the Wyoming state average of 38th percentile. The state's overall risk rating is Very Low. This means Sheridan County faces higher natural disaster risk than the typical county in Wyoming.

Yes, Sheridan County's wildfire risk is at the 94th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Sheridan County is at the 74th percentile.

FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.

Sheridan County's composite risk score of 65th percentile is above the Wyoming state average of 38th percentile. This elevated risk is driven by wildfire exposure (94th percentile), along with flooding and earthquake risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.