riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Humphreys County Disaster Risk

Humphreys County, Mississippi

FEMA Risk Rating

Very Low

NRI score (0–100 relative scale)

27.9

FEMA composite county value

State Rank

#64

of 82, sorted high to low by RiskByCounty

Flood NRI score

22.5

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.

Hurricane

66.5 / 100

Earthquake

63.9 / 100

Tornado

50.8 / 100

Flood

22.5 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (22.5) NRI scores.

Wildfire

12.4 / 100

FEMA NRI data summary

Selected hazard scores for Humphreys County

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

Hurricane
66.5
Earthquake
63.9
Tornado
50.8
Flood
22.5
Wildfire
12.4

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
22.5
Coastal Flooding
Not available
Inland Flooding
22.5

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

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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 Humphreys County, MS?
Humphreys County has an official FEMA NRI v1.20 composite rating of Very Low and an NRI score (0–100 relative scale) of 27.9. RiskByCounty ranks it 64th of 82 Mississippi county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Humphreys County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Humphreys County, Hurricane: 66.5; Earthquake: 63.9; Tornado: 50.8; Flood: 22.5; Wildfire: 12.4.
How is flood displayed for Humphreys County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Humphreys County, Coastal Flooding is Not available, Inland Flooding is 22.5, and the displayed flood score is 22.5.

Counties with Similar Risk

Calhoun County

Mississippi

-0.3

Very Low

NRI score 27.7

Noxubee County

Mississippi

+1.1

Very Low

NRI score 29.0

Walthall County

Mississippi

-2.4

Very Low

NRI score 25.5

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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