riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Blount County Disaster Risk

Blount County, Tennessee

FEMA Risk Rating

Relatively Low

NRI score (0–100 relative scale)

74.2

FEMA composite county value

State Rank

#19

of 95, sorted high to low by RiskByCounty

Flood NRI score

74.0

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

93.1 / 100

Flood

74.0 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (74.0) NRI scores.

Wildfire

69.4 / 100

Tornado

67.4 / 100

Hurricane

55.6 / 100

FEMA NRI data summary

Selected hazard scores for Blount County

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

Earthquake
93.1
Flood
74.0
Wildfire
69.4
Tornado
67.4
Hurricane
55.6

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
74.0
Coastal Flooding
Not available
Inland Flooding
74.0

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 Tennessee county records are included?
RiskByCounty includes 95 Tennessee county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Tennessee?
FEMA NRI v1.20 (December 2025) county rating counts for Tennessee: Very Low: 31; Relatively Low: 50; Relatively Moderate: 12; Relatively High: 2; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Tennessee?
FEMA NRI v1.20 (December 2025) availability among 95 county records: Flood: 95 of 95; Wildfire: 95 of 95; Tornado: 95 of 95; Earthquake: 95 of 95; Hurricane: 95 of 95. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Blount County, TN?
Blount County has an official FEMA NRI v1.20 composite rating of Relatively Low and an NRI score (0–100 relative scale) of 74.2. RiskByCounty ranks it 19th of 95 Tennessee county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Blount County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Blount County, Earthquake: 93.1; Flood: 74.0; Wildfire: 69.4; Tornado: 67.4; Hurricane: 55.6.
How is flood displayed for Blount County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Blount County, Coastal Flooding is Not available, Inland Flooding is 74.0, and the displayed flood score is 74.0.

Counties with Similar Risk

Weakley County

Tennessee

-0.1

Relatively Low

NRI score 74.0

Bradley County

Tennessee

-0.8

Relatively Low

NRI score 73.4

Anderson County

Tennessee

-1.0

Relatively Low

NRI score 73.2

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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