Placer County Disaster Risk
Placer County, California
FEMA Risk Rating
Relatively Moderate
National Percentile
93th
of 3,144 counties
State Rank
#34
of 58 (1 = highest risk)
Flood Risk
96th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively High
Higher than 96% 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 23% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively High
Higher than 95% of US counties
Risk Overview
About Natural Disaster Risk in Placer County, California
Placer: Well Above National Risk Average
Placer County's composite risk score of 93.07 ranks it as relatively moderate and significantly exceeds the national average. This Sierra foothills and valley region faces substantial exposure to wildfires and seismic activity.
High-Risk Within California's Scale
Placer scores 93.07—well above California's state average of 88.72—placing it in the upper portion of the state's risk rankings. Its position bridging the valley and mountains amplifies multiple hazard exposures.
Riskier Than Most Regional Peers
Placer's score of 93.07 exceeds neighboring El Dorado (around 80s) and sits above the state average shared by Nevada County peers. Its wider geography and expanding wildland-urban interface increase overall exposure.
Wildfire and Earthquake Lead the List
Placer County's wildfire risk reaches 98.70, one of the state's highest, while earthquake risk scores 95.23. Flood risk is also significant at 95.77, with tornado risk more moderate at 23.31.
Triple Coverage Strongly Recommended
Placer residents should secure earthquake insurance, flood insurance, and verified fire coverage, as the county faces top-tier risk in all three categories. Inspect your policy limits carefully; higher-value homes in this region often need coverage above standard homeowners caps.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Placer County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Placer County
Risk Verdict
Natural hazard risk in Placer County is higher than the majority of U.S. counties, with a national composite rank of 93th. Placer County's elevated composite score reflects cumulative multi-hazard exposure; households should prepare for the county's two or three primary hazard types.
Hazard Breakdown
Wildfire risk is Placer County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 96th percentile nationally. Additional tracked hazards include earthquake (95th percentile), tornado (23th percentile).
Preparedness Context
At the 99th percentile nationally for wildfire, Placer County residents should verify whether their insurance policy includes replacement cost coverage for structures and whether the insurer still writes new policies in this fire-risk zone. The county's flood exposure at the 96th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. Local USFS or Cal Fire (where applicable) fire risk maps and seasonal Red Flag Warning alerts from the National Weather Service are two free resources Placer County residents can use to stay ahead of rapidly changing wildfire conditions.
Regional Context
Placer County's composite risk score is within 4.4 points of the California county average — a close alignment that reflects a broadly representative hazard environment for this part of the state.
Is your household prepared for Placer County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Placer County, CA?
What types of natural hazards affect Placer County?
How does Placer County risk compare to the California average?
Is Placer County at risk for wildfire?
How is natural disaster risk measured?
Why is Placer 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.