Linn County Disaster Risk

Linn County has a FEMA National Risk Index rating of Very Low, placing it in the 31th 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.

Linn County is evaluated for five major natural hazard types: tornado (67th percentile), wildfire (51th percentile), earthquake (41th percentile), flooding (39th percentile), hurricane (16th percentile). The highest-risk hazard is tornado at the 67th 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.

Linn County's composite risk percentile is 31th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Linn County faces lower natural disaster risk than the typical county in Missouri.

Yes, Linn County's tornado risk is at the 67th percentile nationally. This is above the national median. For flooding specifically, Linn County is at the 39th 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.

Linn County's composite risk score of 31th percentile is below the Missouri state average of 51th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 67th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.