Allendale County Disaster Risk

Allendale County has a FEMA National Risk Index rating of Very Low, placing it in the 35th 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.

Allendale County is evaluated for five major natural hazard types: hurricane (88th percentile), earthquake (77th percentile), wildfire (50th percentile), tornado (42th percentile), flooding (15th percentile). The highest-risk hazard is hurricane at the 88th 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.

Allendale County's composite risk percentile is 35th, compared to the South Carolina state average of 71th percentile. The state's overall risk rating is Relatively Low. This means Allendale County faces lower natural disaster risk than the typical county in South Carolina.

Yes, Allendale County's hurricane risk is at the 88th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Allendale County is at the 15th 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.

Allendale County's composite risk score of 35th percentile is below the South Carolina state average of 71th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 88th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.