Columbia County Disaster Risk

Columbia County has a FEMA National Risk Index rating of Very Low, placing it in the 9th 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.

Columbia County is evaluated for five major natural hazard types: wildfire (73th percentile), earthquake (34th percentile), flooding (31th percentile), tornado (3th percentile). The highest-risk hazard is wildfire at the 73th 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.

Columbia County's composite risk percentile is 9th, compared to the Washington state average of 70th percentile. The state's overall risk rating is Relatively Low. This means Columbia County faces lower natural disaster risk than the typical county in Washington.

Yes, Columbia County's wildfire risk is at the 73th percentile nationally. This is above the national median. For flooding specifically, Columbia County is at the 31th 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.

Columbia County's composite risk score of 9th percentile is below the Washington state average of 70th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 73th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.