riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Itawamba County Disaster Risk

Itawamba County, Mississippi

FEMA Risk Rating

Relatively Low

NRI score (0–100 relative scale)

49.6

FEMA composite county value

State Rank

#45

of 82, sorted high to low by RiskByCounty

Flood NRI score

28.2

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

77.0 / 100

Tornado

66.4 / 100

Hurricane

54.8 / 100

Wildfire

28.3 / 100

Flood

28.2 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (28.2) NRI scores.

FEMA NRI data summary

Selected hazard scores for Itawamba County

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

Earthquake
77.0
Tornado
66.4
Hurricane
54.8
Wildfire
28.3
Flood
28.2

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
28.2
Coastal Flooding
Not available
Inland Flooding
28.2

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 Mississippi county records are included?
RiskByCounty includes 82 Mississippi county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Mississippi?
FEMA NRI v1.20 (December 2025) county rating counts for Mississippi: Very Low: 31; Relatively Low: 39; Relatively Moderate: 11; Relatively High: 1; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Mississippi?
FEMA NRI v1.20 (December 2025) availability among 82 county records: Flood: 82 of 82; Wildfire: 82 of 82; Tornado: 82 of 82; Earthquake: 82 of 82; Hurricane: 82 of 82. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Itawamba County, MS?
Itawamba County has an official FEMA NRI v1.20 composite rating of Relatively Low and an NRI score (0–100 relative scale) of 49.6. RiskByCounty ranks it 45th of 82 Mississippi county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Itawamba County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Itawamba County, Earthquake: 77.0; Tornado: 66.4; Hurricane: 54.8; Wildfire: 28.3; Flood: 28.2.
How is flood displayed for Itawamba County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Itawamba County, Coastal Flooding is Not available, Inland Flooding is 28.2, and the displayed flood score is 28.2.

Counties with Similar Risk

Holmes County

Mississippi

+0.2

Relatively Low

NRI score 49.8

Pontotoc County

Mississippi

+0.5

Relatively Low

NRI score 50.1

Lincoln County

Mississippi

-1.2

Relatively Low

NRI score 48.4

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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