riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Plumas County Disaster Risk

Plumas County, California

FEMA Risk Rating

Relatively Moderate

National Percentile

86th

of 3,144 counties

State Rank

#44

of 58 (1 = highest risk)

Flood Risk

88th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 88% 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 10% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 92% of US counties

Risk Overview

About Natural Disaster Risk in Plumas County, California

Plumas: Above Average U.S. Risk Profile

Plumas County's composite risk score of 86.39 ranks it as relatively moderate and exceeds the national average. This remote northeastern Sierra county faces significant natural hazards typical of high-elevation, forested terrain.

Moderate-Risk Within California

Plumas scores 86.39—just below California's state average of 88.72—positioning it near the midpoint of state risk distribution. It represents a moderate profile compared to the state's highest-risk coastal and urban counties.

Similar Risk to Sierra Nevada Region

Plumas' score of 86.39 aligns with Modoc (39.69, much lower) and sits between Mono (46.50) and Nevada County (89.89) in the range. The Sierra region shows varied risk based on location and exposure.

Wildfire Risk Dominates the County

Plumas County's wildfire risk is exceptionally high at 98.63, driven by extensive forests and dry summers. Earthquake risk follows at 92.21, while flood and tornado risks remain in the moderate range.

Wildfire and Earthquake Insurance Essential

With wildfire risk at 98.63, Plumas homeowners should maintain comprehensive fire coverage and create defensible space around structures. Add earthquake insurance to protect against the county's 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 Plumas County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    99th percentile
  2. #2
    EarthquakePrepare
    92th percentile
  3. #3
    FloodPrepare
    88th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Plumas County

Risk Verdict

With a composite score at the 86th percentile, Plumas 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; Plumas County residents should plan accordingly.

Hazard Breakdown

Wildfire risk is Plumas 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 (88th percentile), tornado (10th percentile).

Preparedness Context

At the 99th percentile nationally for wildfire risk, Plumas 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. 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. 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 Plumas County residents.

Regional Context

Plumas County tracks the California county average closely, sitting 2.3 composite points below the state mean — neither a standout high-risk nor low-risk county within California.

Is your household prepared for Plumas County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Plumas County, CA?
Plumas County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 86th 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 Plumas County?
Plumas County is evaluated for five major natural hazard types: wildfire (99th percentile), earthquake (92th percentile), flooding (88th percentile), tornado (10th percentile). The highest-risk hazard is wildfire at the 99th 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 Plumas County risk compare to the California average?
Plumas County's composite risk percentile is 86th, compared to the California state average of 89th percentile. The state's overall risk rating is Relatively Moderate. This means Plumas County faces lower natural disaster risk than the typical county in California.
Is Plumas County at risk for wildfire?
Yes, Plumas County's wildfire risk is at the 99th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Plumas County is at the 88th 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 Plumas County a safe place to live?
Plumas County's composite risk score of 86th percentile is below the California state average of 89th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 99th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, 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.