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

Yuba County Disaster Risk

Yuba County, California

FEMA Risk Rating

Relatively Low

National Percentile

81th

of 3,144 counties

State Rank

#49

of 58 (1 = highest risk)

Flood Risk

84th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 84% 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 15% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 90% of US counties

Risk Overview

About Natural Disaster Risk in Yuba County, California

Yuba carries relatively low national risk

Yuba County's composite risk score of 80.88 puts it below the national average, earning a "Relatively Low" rating overall. While this designation suggests lower exposure than most U.S. counties, Yuba still faces significant wildfire and earthquake challenges that demand local preparedness.

Yuba scores below California's average

With a composite score of 80.88, Yuba County ranks below California's state average of 88.72, positioning it among the state's lower-risk counties. This favorable standing doesn't mean the county is risk-free—it reflects a better balance of hazard exposure compared to most California regions.

Yuba safer than nearby Yolo County

Yuba County's risk score of 80.88 is meaningfully lower than Yolo County's 91.38, reflecting Yuba's reduced flood vulnerability and more moderate earthquake exposure. However, Yuba's wildfire risk of 96.82 substantially exceeds Yolo's 86.96, making fire preparedness equally critical in this region despite overall lower composite risk.

Wildfire dominates Yuba's hazard profile

Wildfire risk in Yuba County ranks critically high at 96.82, rivaling some of California's most fire-prone counties and reflecting the region's location in the Sierra Nevada foothills. Earthquake risk of 90.08 and flood risk of 83.78 round out Yuba's hazard exposure, creating a diverse set of threats requiring layered preparedness strategies.

Wildfire and earthquake insurance vital

Yuba County's wildfire risk of 96.82 makes supplemental fire insurance and defensible-space maintenance non-negotiable for homeowners. Additionally, with an earthquake risk score of 90.08, securing earthquake insurance is essential—standard policies won't protect your home from either of these major threats.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Yuba County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    97th percentile
  2. #2
    EarthquakePrepare
    90th percentile
  3. #3
    FloodPrepare
    84th percentile

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

Risk Advisory: Yuba County

Risk Verdict

Yuba County's FEMA risk score places it at the 81th percentile nationally, indicating lower-than-typical exposure for a U.S. county. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Yuba County residents.

Hazard Breakdown

Wildfire risk is Yuba County's dominant natural hazard, ranked at the 97th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 90th percentile nationally. Additional tracked hazards include flood (84th percentile), tornado (15th percentile).

Preparedness Context

Yuba County sits at the 97th percentile for wildfire exposure. Signing up for Yuba County's county emergency alert system and knowing the pre-planned evacuation route before conditions deteriorate are the two highest-value preparedness actions for residents here. The county's earthquake exposure at the 90th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. In Yuba County, wildfire smoke often precedes the flame front by hours or days; households benefit from tracking EPA's AirNow.gov and having HEPA air filtration available as a first line of indoor protection when air quality alerts are issued.

Regional Context

At 7.8 points below the California state average, Yuba County is among the lower-risk counties in the state for natural disaster exposure.

Is your household prepared for Yuba 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 Yuba County, CA?
Yuba County has a FEMA National Risk Index rating of Relatively Low, placing it in the 81th 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 Yuba County?
Yuba County is evaluated for five major natural hazard types: wildfire (97th percentile), earthquake (90th percentile), flooding (84th percentile), tornado (15th percentile). The highest-risk hazard is wildfire at the 97th 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 Yuba County risk compare to the California average?
Yuba County's composite risk percentile is 81th, compared to the California state average of 89th percentile. The state's overall risk rating is Relatively Moderate. This means Yuba County faces lower natural disaster risk than the typical county in California.
Is Yuba County at risk for wildfire?
Yes, Yuba County's wildfire risk is at the 97th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Yuba County is at the 84th 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 Yuba County a safe place to live?
Yuba County's composite risk score of 81th 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 97th 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.