riskbycounty
FEMA National Risk Index

Dillingham Census Area Disaster Risk

Dillingham Census Area, Alaska

FEMA Risk Rating

Very Low

National Percentile

36th

of 3,144 counties

State Rank

#13

of 30 (1 = highest risk)

Flood Risk

3th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 3% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 62% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 1% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 75% of US counties

Risk Advisory: Dillingham Census Area

Risk Verdict

Dillingham Census Area has a very low overall disaster risk profile, scoring in the 36th percentile nationally. This county is among the safer counties in the United States from a natural disaster perspective, though no area is entirely risk-free.

Hazard Breakdown

Earthquake risk is the dominant hazard for Dillingham Census Area, scoring in the 75th percentile nationally. It is followed by wildfire risk at the 62th percentile. Additional hazards include flood (3th), tornado (1th).

Preparedness Context

With earthquake risk as the top concern, Dillingham Census Area residents should secure heavy furniture and appliances, know how to shut off utilities, and keep emergency supplies accessible. Secondary risks such as wildfire also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Dillingham Census Area has a disaster risk profile close to the average county in Alaska. Its composite risk score is within 0.5 points of the state average, meaning its overall hazard exposure is broadly representative of Alaska as a whole.

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Frequently Asked Questions

What is the natural disaster risk in Dillingham Census Area, AK?
Dillingham Census Area has a FEMA National Risk Index rating of Very Low, placing it in the 36th 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.
What types of natural hazards affect Dillingham Census Area?
Dillingham Census Area is evaluated for five major natural hazard types: earthquake (75th percentile), wildfire (62th percentile), flooding (3th percentile), tornado (1th percentile). The highest-risk hazard is earthquake at the 75th 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.
How does Dillingham Census Area risk compare to the Alaska average?
Dillingham Census Area's composite risk percentile is 36th, compared to the Alaska state average of 35th percentile. The state's overall risk rating is Very Low. This means Dillingham Census Area faces higher natural disaster risk than the typical county in Alaska.
Is Dillingham Census Area at risk for earthquake?
Yes, Dillingham Census Area's earthquake risk is at the 75th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Dillingham Census Area is at the 3th percentile.
How is natural disaster risk measured?
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.
Why is Dillingham Census Area higher risk than average?
Dillingham Census Area's composite risk score of 36th percentile is above the Alaska state average of 35th percentile. This elevated risk is driven by earthquake exposure (75th percentile), along with wildfire risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.

Counties with Similar Risk

Nome Census Area

Alaska

-1.6

Very Low

34th percentile

Copper River Census Area

Alaska

+4.3

Very Low

40th percentile

Denali Borough

Alaska

-7.4

Very Low

28th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.

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