riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Yuma County Disaster Risk

Yuma County, Arizona

FEMA Risk Rating

Relatively Moderate

NRI score (0–100 relative scale)

92.6

FEMA composite county value

State Rank

#8

of 15, sorted high to low by RiskByCounty

Flood NRI score

91.0

higher coastal/inland value

Hazard Risk Breakdown

Five selected hazard categories out of FEMA's 18. Values are FEMA NRI v1.20 scores on a 0–100 relative scale.

Earthquake

98.4 / 100

Flood

91.0 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (91.0) NRI scores.

Wildfire

59.2 / 100

Hurricane

22.7 / 100

Tornado

14.0 / 100

FEMA NRI data summary

Selected hazard scores for Yuma County

Among the five hazard categories displayed by RiskByCounty, earthquake has the highest NRI score for this county.

Earthquake
98.4
Flood
91.0
Wildfire
59.2
Hurricane
22.7
Tornado
14.0

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
91.0
Coastal Flooding
Not available
Inland Flooding
91.0

These five categories are a selected subset of FEMA's 18 natural hazards. FEMA's composite score and official rating are separate fields in the National Risk Index dataset.

FEMA National Risk Index documentation

Official Ready.gov resource

Continue to Ready.gov for federal emergency-planning information maintained outside RiskByCounty.

Visit Ready.gov →

Frequently Asked Questions

How many Arizona county records are included?
RiskByCounty includes 15 Arizona county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Arizona?
FEMA NRI v1.20 (December 2025) county rating counts for Arizona: Very Low: 1; Relatively Low: 2; Relatively Moderate: 9; Relatively High: 2; Very High: 1; Not available: 0.
How complete are the five selected hazard fields for Arizona?
FEMA NRI v1.20 (December 2025) availability among 15 county records: Flood: 15 of 15; Wildfire: 15 of 15; Tornado: 15 of 15; Earthquake: 15 of 15; Hurricane: 15 of 15. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Yuma County, AZ?
Yuma County has an official FEMA NRI v1.20 composite rating of Relatively Moderate and an NRI score (0–100 relative scale) of 92.6. RiskByCounty ranks it 8th of 15 Arizona county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Yuma County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Yuma County, Earthquake: 98.4; Flood: 91.0; Wildfire: 59.2; Hurricane: 22.7; Tornado: 14.0.
How is flood displayed for Yuma County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Yuma County, Coastal Flooding is Not available, Inland Flooding is 91.0, and the displayed flood score is 91.0.

Counties with Similar Risk

Cochise County

Arizona

+0.3

Relatively Moderate

NRI score 92.8

Yavapai County

Arizona

+1.2

Relatively Moderate

NRI score 93.7

Pinal County

Arizona

+1.3

Relatively Moderate

NRI score 93.8

Published by RiskByCounty

County summaries are deterministic transformations of frozen FEMA county fields. No external subject-matter reviewer is credited.

Published · Updated

Data Source

County data sourced from FEMA National Risk Index v1.20, released December 2025. Values are labeled NRI score (0–100 relative scale). RiskByCounty displays five selected hazard categories out of FEMA's 18; flood is the higher of the Coastal Flooding and Inland Flooding source scores.

RiskByCounty presents county-level source fields and deterministic arithmetic summaries.

Explore more data for Yuma County

Property TaxCost of LivingCrime RateIncomeHealthSchoolsWater QualityWeatherCounty Score