riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Vermilion County Disaster Risk

Vermilion County, Illinois

FEMA Risk Rating

Relatively Low

NRI score (0–100 relative scale)

78.8

FEMA composite county value

State Rank

#25

of 102, sorted high to low by RiskByCounty

Flood NRI score

76.5

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.

Earthquake

85.2 / 100

Tornado

79.7 / 100

Flood

76.5 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (76.5) NRI scores.

Hurricane

46.2 / 100

Wildfire

22.7 / 100

FEMA NRI data summary

Selected hazard scores for Vermilion County

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

Earthquake
85.2
Tornado
79.7
Flood
76.5
Hurricane
46.2
Wildfire
22.7

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
76.5
Coastal Flooding
Not available
Inland Flooding
76.5

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

Continue to Ready.gov for federal emergency-planning information maintained outside RiskByCounty.

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Frequently Asked Questions

How many Illinois county records are included?
RiskByCounty includes 102 Illinois county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Illinois?
FEMA NRI v1.20 (December 2025) county rating counts for Illinois: Very Low: 37; Relatively Low: 45; Relatively Moderate: 14; Relatively High: 5; Very High: 1; Not available: 0.
How complete are the five selected hazard fields for Illinois?
FEMA NRI v1.20 (December 2025) availability among 102 county records: Flood: 102 of 102; Wildfire: 102 of 102; Tornado: 102 of 102; Earthquake: 102 of 102; Hurricane: 102 of 102. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Vermilion County, IL?
Vermilion County has an official FEMA NRI v1.20 composite rating of Relatively Low and an NRI score (0–100 relative scale) of 78.8. RiskByCounty ranks it 25th of 102 Illinois county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Vermilion County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Vermilion County, Earthquake: 85.2; Tornado: 79.7; Flood: 76.5; Hurricane: 46.2; Wildfire: 22.7.
How is flood displayed for Vermilion County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Vermilion County, Coastal Flooding is Not available, Inland Flooding is 76.5, and the displayed flood score is 76.5.

Counties with Similar Risk

Randolph County

Illinois

-0.2

Relatively Low

NRI score 78.6

Macoupin County

Illinois

+1.1

Relatively Low

NRI score 79.9

Kendall County

Illinois

+1.4

Relatively Low

NRI score 80.2

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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