Lafayette County Disaster Risk

Lafayette County has a FEMA National Risk Index rating of Very Low, placing it in the 33th 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.

Lafayette County is evaluated for five major natural hazard types: tornado (45th percentile), flooding (27th percentile), earthquake (21th percentile), wildfire (15th percentile), hurricane (13th percentile). The highest-risk hazard is tornado at the 45th 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.

Lafayette County's composite risk percentile is 33th, compared to the Wisconsin state average of 59th percentile. The state's overall risk rating is Relatively Low. This means Lafayette County faces lower natural disaster risk than the typical county in Wisconsin.

Yes, Lafayette County's tornado risk is at the 45th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Lafayette County is at the 27th 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.

Lafayette County's composite risk score of 33th percentile is below the Wisconsin state average of 59th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 45th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.