riskbycounty
FEMA NRI v1.20Released December 2025Methodology

McCormick County Disaster Risk

McCormick County, South Carolina

FEMA Risk Rating

Very Low

NRI score (0–100 relative scale)

9.5

FEMA composite county value

State Rank

#46

of 46, sorted high to low by RiskByCounty

Flood NRI score

16.8

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

62.3 / 100

Earthquake

51.3 / 100

Tornado

40.1 / 100

Wildfire

34.8 / 100

Flood

16.8 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (16.8) NRI scores.

FEMA NRI data summary

Selected hazard scores for McCormick County

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

Hurricane
62.3
Earthquake
51.3
Tornado
40.1
Wildfire
34.8
Flood
16.8

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
16.8
Coastal Flooding
Not available
Inland Flooding
16.8

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

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Frequently Asked Questions

How many South Carolina county records are included?
RiskByCounty includes 46 South Carolina county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in South Carolina?
FEMA NRI v1.20 (December 2025) county rating counts for South Carolina: Very Low: 7; Relatively Low: 19; Relatively Moderate: 16; Relatively High: 4; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for South Carolina?
FEMA NRI v1.20 (December 2025) availability among 46 county records: Flood: 46 of 46; Wildfire: 46 of 46; Tornado: 46 of 46; Earthquake: 46 of 46; Hurricane: 46 of 46. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for McCormick County, SC?
McCormick County has an official FEMA NRI v1.20 composite rating of Very Low and an NRI score (0–100 relative scale) of 9.5. RiskByCounty ranks it 46th of 46 South Carolina county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for McCormick County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For McCormick County, Hurricane: 62.3; Earthquake: 51.3; Tornado: 40.1; Wildfire: 34.8; Flood: 16.8.
How is flood displayed for McCormick County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For McCormick County, Coastal Flooding is Not available, Inland Flooding is 16.8, and the displayed flood score is 16.8.

Counties with Similar Risk

Edgefield County

South Carolina

+12.4

Very Low

NRI score 22.0

Calhoun County

South Carolina

+13.1

Very Low

NRI score 22.6

Allendale County

South Carolina

+25.9

Very Low

NRI score 35.5

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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