riskbycounty
FEMA National Risk Index

Grant County Disaster Risk

Grant County, Oregon

FEMA Risk Rating

Very Low

National Percentile

32th

of 3,144 counties

State Rank

#28

of 36 (1 = highest risk)

Flood Risk

50th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 50% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 94% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 2% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 23% of US counties

Risk Advisory: Grant County

Risk Verdict

Grant County has a very low overall disaster risk profile, scoring in the 32th 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

Wildfire risk is the dominant hazard for Grant County, scoring in the 94th percentile nationally. It is followed by flood risk at the 50th percentile. Additional hazards include earthquake (23th), tornado (2th).

Preparedness Context

With wildfire risk as the top concern, Grant County residents should create defensible space around your property, sign up for local emergency alerts, and prepare a go-bag with essential documents and medications. Secondary risks such as flood 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

Grant County is notably safer than the average county in Oregon. Its composite risk score is 31.3 points lower than the state average, indicating below-average exposure to natural hazards relative to other counties in the state.

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Frequently Asked Questions

What is the natural disaster risk in Grant County, OR?
Grant County has a FEMA National Risk Index rating of Very Low, placing it in the 32th 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 Grant County?
Grant County is evaluated for five major natural hazard types: wildfire (94th percentile), flooding (50th percentile), earthquake (23th percentile), tornado (2th percentile). The highest-risk hazard is wildfire at the 94th 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 Grant County risk compare to the Oregon average?
Grant County's composite risk percentile is 32th, compared to the Oregon state average of 63th percentile. The state's overall risk rating is Relatively Low. This means Grant County faces lower natural disaster risk than the typical county in Oregon.
Is Grant County at risk for wildfire?
Yes, Grant County's wildfire risk is at the 94th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Grant County is at the 50th 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.
Is Grant County a safe place to live?
Grant County's composite risk score of 32th percentile is below the Oregon state average of 63th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 94th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Hood River County

Oregon

-0.1

Very Low

32th percentile

Crook County

Oregon

+1.5

Very Low

34th percentile

Wallowa County

Oregon

+1.8

Very Low

34th 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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