Yukon-Koyukuk Census Area Disaster Risk

Yukon-Koyukuk Census Area has a FEMA National Risk Index rating of Relatively Low, placing it in the 62th 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.

Yukon-Koyukuk Census Area is evaluated for five major natural hazard types: wildfire (93th percentile), earthquake (75th percentile), flooding (7th percentile), tornado (1th percentile). The highest-risk hazard is wildfire at the 93th 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.

Yukon-Koyukuk Census Area's composite risk percentile is 62th, compared to the Alaska state average of 35th percentile. The state's overall risk rating is Very Low. This means Yukon-Koyukuk Census Area faces higher natural disaster risk than the typical county in Alaska.

Yes, Yukon-Koyukuk Census Area's wildfire risk is at the 93th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Yukon-Koyukuk Census Area is at the 7th 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.

Yukon-Koyukuk Census Area's composite risk score of 62th percentile is above the Alaska state average of 35th percentile. This elevated risk is driven by wildfire exposure (93th percentile), along with earthquake risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.