Perry County Disaster Risk

Perry County has a FEMA National Risk Index rating of Relatively Low, placing it in the 53th 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.

Perry County is evaluated for five major natural hazard types: hurricane (76th percentile), flooding (70th percentile), earthquake (39th percentile), tornado (32th percentile), wildfire (25th percentile). The highest-risk hazard is hurricane at the 76th 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.

Perry County's composite risk percentile is 53th, compared to the Pennsylvania state average of 67th percentile. The state's overall risk rating is Relatively Low. This means Perry County faces lower natural disaster risk than the typical county in Pennsylvania.

Yes, Perry County's hurricane risk is at the 76th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Perry County is at the 70th 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.

Perry County's composite risk score of 53th percentile is below the Pennsylvania state average of 67th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 76th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.