riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Marion County Disaster Risk

Marion County, Georgia

FEMA Risk Rating

Very Low

NRI score (0–100 relative scale)

6.7

FEMA composite county value

State Rank

#145

of 159, sorted high to low by RiskByCounty

Flood NRI score

12.8

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

61.4 / 100

Wildfire

49.5 / 100

Earthquake

30.5 / 100

Tornado

25.3 / 100

Flood

12.8 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (12.8) NRI scores.

FEMA NRI data summary

Selected hazard scores for Marion County

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

Hurricane
61.4
Wildfire
49.5
Earthquake
30.5
Tornado
25.3
Flood
12.8

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
12.8
Coastal Flooding
Not available
Inland Flooding
12.8

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 Georgia county records are included?
RiskByCounty includes 159 Georgia county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Georgia?
FEMA NRI v1.20 (December 2025) county rating counts for Georgia: Very Low: 90; Relatively Low: 53; Relatively Moderate: 12; Relatively High: 4; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Georgia?
FEMA NRI v1.20 (December 2025) availability among 159 county records: Flood: 159 of 159; Wildfire: 159 of 159; Tornado: 159 of 159; Earthquake: 159 of 159; Hurricane: 159 of 159. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Marion County, GA?
Marion County has an official FEMA NRI v1.20 composite rating of Very Low and an NRI score (0–100 relative scale) of 6.7. RiskByCounty ranks it 145th of 159 Georgia county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Marion County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Marion County, Hurricane: 61.4; Wildfire: 49.5; Earthquake: 30.5; Tornado: 25.3; Flood: 12.8.
How is flood displayed for Marion County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Marion County, Coastal Flooding is Not available, Inland Flooding is 12.8, and the displayed flood score is 12.8.

Counties with Similar Risk

Lanier County

Georgia

+0.1

Very Low

NRI score 6.8

Wheeler County

Georgia

-0.3

Very Low

NRI score 6.4

Atkinson County

Georgia

+0.6

Very Low

NRI score 7.3

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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