riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Indian River County Disaster Risk

Indian River County, Florida

FEMA Risk Rating

Relatively High

NRI score (0–100 relative scale)

95.6

FEMA composite county value

State Rank

#17

of 67, sorted high to low by RiskByCounty

Flood NRI score

85.9

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

99.2 / 100

Wildfire

88.2 / 100

Flood

85.9 / 100

Higher of FEMA Coastal Flooding (69.0) and Inland Flooding (85.9) NRI scores.

Tornado

72.5 / 100

Earthquake

32.3 / 100

FEMA NRI data summary

Selected hazard scores for Indian River County

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

Hurricane
99.2
Wildfire
88.2
Flood
85.9
Tornado
72.5
Earthquake
32.3

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
85.9
Coastal Flooding
69.0
Inland Flooding
85.9

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 Florida county records are included?
RiskByCounty includes 67 Florida county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Florida?
FEMA NRI v1.20 (December 2025) county rating counts for Florida: Very Low: 8; Relatively Low: 20; Relatively Moderate: 18; Relatively High: 20; Very High: 1; Not available: 0.
How complete are the five selected hazard fields for Florida?
FEMA NRI v1.20 (December 2025) availability among 67 county records: Flood: 67 of 67; Wildfire: 67 of 67; Tornado: 67 of 67; Earthquake: 67 of 67; Hurricane: 67 of 67. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Indian River County, FL?
Indian River County has an official FEMA NRI v1.20 composite rating of Relatively High and an NRI score (0–100 relative scale) of 95.6. RiskByCounty ranks it 17th of 67 Florida county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Indian River County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Indian River County, Hurricane: 99.2; Wildfire: 88.2; Flood: 85.9; Tornado: 72.5; Earthquake: 32.3.
How is flood displayed for Indian River County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Indian River County, Coastal Flooding is 69.0, Inland Flooding is 85.9, and the displayed flood score is 85.9.

Counties with Similar Risk

Pasco County

Florida

+0.3

Relatively High

NRI score 96.0

St. Lucie County

Florida

+0.4

Relatively High

NRI score 96.1

Charlotte County

Florida

-0.4

Relatively High

NRI score 95.2

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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