Nevada County Disaster Risk
Nevada County, California
FEMA Risk Rating
Relatively Moderate
National Percentile
90th
of 3,144 counties
State Rank
#39
of 58 (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 99% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 18% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 92% of US counties
Risk Overview
About Natural Disaster Risk in Nevada County, California
Nevada County: Above-Average U.S. Risk
Nevada County's composite risk score of 89.89 ranks it as relatively moderate and exceeds the national average. This Sierra foothills region faces significant wildfire and seismic hazards typical of California's interior.
Moderate-to-High Within California
Nevada County scores 89.89—just above California's state average of 88.72—placing it squarely in the middle of the state's risk distribution. It sits near the threshold between moderate and high-risk counties.
Similar Risk to Gold Country Counties
Nevada County's score of 89.89 mirrors Placer County (93.07) and Plumas County (86.39), all sharing Sierra Nevada geography and wildfire exposure. The region's elevation and forest cover create consistent hazard patterns.
Wildfire and Earthquake Are Primary Hazards
Nevada County's wildfire risk is exceptionally high at 99.43—the highest single hazard in the county. Earthquake risk follows at 92.11, while flood and tornado risks remain moderate to low.
Prioritize Wildfire Insurance and Preparedness
With a wildfire risk of 99.43, Nevada County residents should ensure comprehensive fire coverage and maintain defensible space around their homes. Add earthquake insurance to protect against the second-highest hazard; standard policies exclude seismic damage.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Nevada County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Nevada County
Risk Verdict
Nevada County's overall risk score at the 90th percentile nationally signals meaningful exposure to multiple natural hazard types. Comprehensive household preparedness — including reviewing insurance, maintaining emergency supplies, and knowing evacuation routes — is strongly recommended.
Hazard Breakdown
Wildfire risk is Nevada County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 92th percentile nationally. Additional tracked hazards include flood (90th percentile), tornado (18th percentile).
Preparedness Context
Nevada County's dominant hazard is wildfire, ranked at the 99th percentile nationally. Maintaining at least 30 feet of lean, clean vegetation around structures in Nevada County and keeping gutters clear of debris significantly reduces ignition risk from wind-driven embers. Alongside wildfire, earthquake at the 92th percentile nationally means a multi-season preparedness mindset — fire season and flood or storm season often require different household plans. Nevada County's households benefit from reviewing homeowners insurance before fire season, specifically whether the policy covers replacement cost rather than actual cash value, and whether it includes additional living expenses if displacement is required.
Regional Context
The county's composite score diverges by only 1.2 points from the California average, making Nevada County's hazard profile broadly typical for this part of the state.
Is your household prepared for Nevada County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Nevada County, CA?
What types of natural hazards affect Nevada County?
How does Nevada County risk compare to the California average?
Is Nevada County at risk for wildfire?
How is natural disaster risk measured?
Why is Nevada 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.