Benton County Disaster Risk
Benton County, Washington
FEMA Risk Rating
Relatively Moderate
National Percentile
87th
of 3,144 counties
State Rank
#19
of 39 (1 = highest risk)
Flood Risk
90th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 90% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively High
Higher than 97% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 20% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 93% of US counties
Risk Overview
About Natural Disaster Risk in Benton County, Washington
Benton County faces moderate disaster risks
With a composite risk score of 87.09, Benton County ranks well above the national average and carries a relatively moderate risk rating. Residents experience meaningful exposure to multiple natural hazards that require serious preparedness planning.
Among Washington's highest-risk counties
Benton County's score of 87.09 exceeds Washington's state average of 70.01 by 24%, ranking it in the upper tier of state risk. Only a handful of Washington counties face greater overall disaster exposure than Benton.
Higher risk than Adams, similar to Chelan
Benton County (87.09) faces substantially more disaster risk than its western neighbor Adams County (23.22) but aligns closely with Chelan County (90.87) and Cowlitz County (90.30). The county sits in a cluster of mid-Columbia and eastern Washington communities with elevated multi-hazard exposure.
Wildfires, floods, and earthquakes converge here
Benton County experiences extreme wildfire risk (96.69), severe flood risk (89.73), and dangerous earthquake risk (93.13), creating a particularly hazardous natural environment. Tornado risk is moderate at 19.62, making these three hazards the primary concerns for residents.
Comprehensive protection is critical
Benton County residents need robust disaster coverage including earthquake insurance, wildfire protection, and comprehensive flood insurance through the National Flood Insurance Program. Given the county's convergence of major hazards, maintaining adequate coverage on all fronts is essential for financial security.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Benton County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Benton County
Risk Verdict
With a composite score at the 87th percentile, Benton County sits above the national median for natural hazard exposure. Proactive preparedness — not reactive response — is key to managing life in one of the country's higher-risk counties; Benton County residents should plan accordingly.
Hazard Breakdown
Wildfire risk is Benton County's dominant natural hazard, ranked at the 97th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 93th percentile nationally. Additional tracked hazards include flood (90th percentile), tornado (20th percentile).
Preparedness Context
At the 97th percentile nationally for wildfire risk, Benton County households benefit from creating defensible space — a buffer of reduced vegetation around structures — and reviewing whether homeowners insurance covers wildfire damage in this region. The county's earthquake exposure at the 93th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. Enrolling in the county's wireless emergency alert system and keeping a vehicle at least half-full during peak fire season are low-cost habits that dramatically reduce evacuation lag time for Benton County residents.
Regional Context
At 17.1 points above the Washington state average, Benton County carries meaningfully higher natural disaster exposure than a typical Washington county.
Is your household prepared for Benton County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Benton County, WA?
What types of natural hazards affect Benton County?
How does Benton County risk compare to the Washington average?
Is Benton County at risk for wildfire?
How is natural disaster risk measured?
Why is Benton County higher risk than average?
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.