Wahkiakum County Disaster Risk
Wahkiakum County, Washington
FEMA Risk Rating
Very Low
National Percentile
19th
of 3,144 counties
State Rank
#36
of 39 (1 = highest risk)
Flood Risk
70th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively Low
Higher than 70% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 12% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 4% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 75% of US counties
Risk Overview
About Natural Disaster Risk in Wahkiakum County, Washington
Wahkiakum County has minimal disaster risk
Wahkiakum County scores just 19.27 on the national composite risk scale, earning a Very Low rating and placing it well below Washington's state average of 70.01. This remote, sparsely populated county experiences some of the lowest comprehensive hazard exposure in the nation.
Washington's safest county
Wahkiakum County ranks as one of Washington's least hazard-exposed counties, with a composite score of 19.27 that trails nearly every other county in the state. Its favorable position reflects limited wildfire exposure, minimal tornado activity, and geographic isolation from major seismic zones.
Far safer than surrounding regions
Wahkiakum County's risk score of 19.27 stands out dramatically lower than neighboring Pacific County and other southwest Washington counties. Even low-risk Whitman County (39.76) faces nearly double Wahkiakum's composite exposure.
Earthquake and flood are modest concerns
Earthquake risk reaches 75.19 in Wahkiakum County, reflecting its location on the outer edge of the Cascadia Subduction Zone, but overall remains manageable. Flood risk of 70.40 stems primarily from the Cowlitz River and coastal proximity, posing occasional but not severe threats.
Standard coverage typically sufficient here
Wahkiakum County's low overall risk means homeowners may need less extensive specialty coverage than other Washington counties. Still, those near the Cowlitz River or coastal areas should carry flood insurance, and basic earthquake coverage remains prudent for any Pacific Northwest resident.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Wahkiakum County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Wahkiakum County
Risk Verdict
At the 19th percentile nationally, Wahkiakum County experiences relatively limited natural hazard pressure compared to most of the country. At the 19th percentile nationally, Wahkiakum County's natural hazard profile is comparatively favorable — community resilience is reinforced when individual households maintain a reviewed emergency plan.
Hazard Breakdown
Earthquake risk is Wahkiakum County's dominant natural hazard, ranked at the 75th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 70th percentile nationally. Additional tracked hazards include wildfire (12th percentile), tornado (4th percentile).
Preparedness Context
Wahkiakum County ranks at the 75th percentile nationally for earthquake risk. Unlike most natural hazards, earthquakes provide no advance warning; preparedness here means structural adjustments and a practiced response, not alert monitoring. Flood at the 70th percentile nationally is a separate hazard dimension for Wahkiakum County that requires different protective strategies from earthquake preparedness. For earthquake preparedness, Wahkiakum County's county emergency management office often maintains a list of community water supply points, Red Cross shelter locations, and post-quake assistance programs — useful resources to identify before an event occurs.
Regional Context
A composite score 50.7 points below the Washington state average puts Wahkiakum County in a better-than-typical position relative to neighboring counties.
Is your household prepared for Wahkiakum County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Wahkiakum County, WA?
What types of natural hazards affect Wahkiakum County?
How does Wahkiakum County risk compare to the Washington average?
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How is natural disaster risk measured?
Is Wahkiakum County a safe place to live?
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.