riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Ellis County Disaster Risk

Ellis County, Texas

FEMA Risk Rating

Relatively Moderate

NRI score (0–100 relative scale)

81.6

FEMA composite county value

State Rank

#46

of 254, sorted high to low by RiskByCounty

Flood NRI score

83.5

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.

Tornado

87.8 / 100

Wildfire

86.1 / 100

Flood

83.5 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (83.5) NRI scores.

Hurricane

52.2 / 100

Earthquake

51.1 / 100

FEMA NRI data summary

Selected hazard scores for Ellis County

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

Tornado
87.8
Wildfire
86.1
Flood
83.5
Hurricane
52.2
Earthquake
51.1

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
83.5
Coastal Flooding
Not available
Inland Flooding
83.5

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.

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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 Ellis County, TX?
Ellis County has an official FEMA NRI v1.20 composite rating of Relatively Moderate and an NRI score (0–100 relative scale) of 81.6. RiskByCounty ranks it 46th of 254 Texas county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Ellis County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Ellis County, Tornado: 87.8; Wildfire: 86.1; Flood: 83.5; Hurricane: 52.2; Earthquake: 51.1.
How is flood displayed for Ellis County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Ellis County, Coastal Flooding is Not available, Inland Flooding is 83.5, and the displayed flood score is 83.5.

Counties with Similar Risk

Parmer County

Texas

+0.2

Relatively Moderate

NRI score 81.8

Wichita County

Texas

+0.3

Relatively Moderate

NRI score 81.9

Midland County

Texas

-0.4

Relatively Moderate

NRI score 81.2

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.

Explore more data for Ellis County

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