Middlesex County Disaster Risk

Middlesex County has a FEMA National Risk Index rating of Very Low, placing it in the 24th 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.

Middlesex County is evaluated for five major natural hazard types: hurricane (86th percentile), flooding (58th percentile), earthquake (37th percentile), wildfire (31th percentile), tornado (23th percentile). The highest-risk hazard is hurricane at the 86th 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.

Middlesex County's composite risk percentile is 24th, compared to the Virginia state average of 33th percentile. The state's overall risk rating is Very Low. This means Middlesex County faces lower natural disaster risk than the typical county in Virginia.

Yes, Middlesex County's hurricane risk is at the 86th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Middlesex County is at the 58th 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.

Middlesex County's composite risk score of 24th percentile is below the Virginia state average of 33th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 86th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.