riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Dallas County Disaster Risk

Dallas County, Arkansas

FEMA Risk Rating

Very Low

NRI score (0–100 relative scale)

10.1

FEMA composite county value

State Rank

#73

of 75, sorted high to low by RiskByCounty

Flood NRI score

17.7

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

67.4 / 100

Hurricane

45.3 / 100

Tornado

32.8 / 100

Flood

17.7 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (17.7) NRI scores.

Wildfire

13.9 / 100

FEMA NRI data summary

Selected hazard scores for Dallas County

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

Earthquake
67.4
Hurricane
45.3
Tornado
32.8
Flood
17.7
Wildfire
13.9

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
17.7
Coastal Flooding
Not available
Inland Flooding
17.7

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 Arkansas county records are included?
RiskByCounty includes 75 Arkansas county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Arkansas?
FEMA NRI v1.20 (December 2025) county rating counts for Arkansas: Very Low: 22; Relatively Low: 42; Relatively Moderate: 10; Relatively High: 1; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Arkansas?
FEMA NRI v1.20 (December 2025) availability among 75 county records: Flood: 75 of 75; Wildfire: 75 of 75; Tornado: 75 of 75; Earthquake: 75 of 75; Hurricane: 75 of 75. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Dallas County, AR?
Dallas County has an official FEMA NRI v1.20 composite rating of Very Low and an NRI score (0–100 relative scale) of 10.1. RiskByCounty ranks it 73rd of 75 Arkansas county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Dallas County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Dallas County, Earthquake: 67.4; Hurricane: 45.3; Tornado: 32.8; Flood: 17.7; Wildfire: 13.9.
How is flood displayed for Dallas County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Dallas County, Coastal Flooding is Not available, Inland Flooding is 17.7, and the displayed flood score is 17.7.

Counties with Similar Risk

Cleveland County

Arkansas

-0.6

Very Low

NRI score 9.5

Grant County

Arkansas

+5.6

Very Low

NRI score 15.7

Calhoun County

Arkansas

-7.8

Very Low

NRI score 2.3

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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