riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Irion County Disaster Risk

Irion County, Texas

FEMA Risk Rating

Very Low

NRI score (0–100 relative scale)

1.8

FEMA composite county value

State Rank

#246

of 254, sorted high to low by RiskByCounty

Flood NRI score

2.9

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.

Wildfire

83.1 / 100

Tornado

10.9 / 100

Hurricane

9.2 / 100

Flood

2.9 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (2.9) NRI scores.

Earthquake

0.9 / 100

FEMA NRI data summary

Selected hazard scores for Irion County

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

Wildfire
83.1
Tornado
10.9
Hurricane
9.2
Flood
2.9
Earthquake
0.9

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
2.9
Coastal Flooding
Not available
Inland Flooding
2.9

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

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Frequently Asked Questions

How many Texas county records are included?
RiskByCounty includes 254 Texas county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Texas?
FEMA NRI v1.20 (December 2025) county rating counts for Texas: Very Low: 113; Relatively Low: 92; Relatively Moderate: 33; Relatively High: 14; Very High: 2; Not available: 0.
How complete are the five selected hazard fields for Texas?
FEMA NRI v1.20 (December 2025) availability among 254 county records: Flood: 254 of 254; Wildfire: 254 of 254; Tornado: 254 of 254; Earthquake: 254 of 254; Hurricane: 250 of 254. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Irion County, TX?
Irion County has an official FEMA NRI v1.20 composite rating of Very Low and an NRI score (0–100 relative scale) of 1.8. RiskByCounty ranks it 246th of 254 Texas county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Irion County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Irion County, Wildfire: 83.1; Tornado: 10.9; Hurricane: 9.2; Flood: 2.9; Earthquake: 0.9.
How is flood displayed for Irion County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Irion County, Coastal Flooding is Not available, Inland Flooding is 2.9, and the displayed flood score is 2.9.

Counties with Similar Risk

Fisher County

Texas

+0.2

Very Low

NRI score 1.9

Shackelford County

Texas

-0.3

Very Low

NRI score 1.4

Kinney County

Texas

+0.4

Very Low

NRI score 2.2

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.

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