riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Houston County Disaster Risk

Houston County, Minnesota

FEMA Risk Rating

Very Low

NRI score (0–100 relative scale)

29.5

FEMA composite county value

State Rank

#55

of 87, sorted high to low by RiskByCounty

Flood NRI score

46.0

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.

Flood

46.0 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (46.0) NRI scores.

Tornado

41.9 / 100

Wildfire

8.8 / 100

Hurricane

7.5 / 100

Earthquake

4.1 / 100

FEMA NRI data summary

Selected hazard scores for Houston County

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

Flood
46.0
Tornado
41.9
Wildfire
8.8
Hurricane
7.5
Earthquake
4.1

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
46.0
Coastal Flooding
Not available
Inland Flooding
46.0

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

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

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Frequently Asked Questions

How many Minnesota county records are included?
RiskByCounty includes 87 Minnesota county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Minnesota?
FEMA NRI v1.20 (December 2025) county rating counts for Minnesota: Very Low: 43; Relatively Low: 36; Relatively Moderate: 6; Relatively High: 2; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Minnesota?
FEMA NRI v1.20 (December 2025) availability among 87 county records: Flood: 87 of 87; Wildfire: 87 of 87; Tornado: 87 of 87; Earthquake: 87 of 87; Hurricane: 7 of 87. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Houston County, MN?
Houston County has an official FEMA NRI v1.20 composite rating of Very Low and an NRI score (0–100 relative scale) of 29.5. RiskByCounty ranks it 55th of 87 Minnesota county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Houston County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Houston County, Flood: 46.0; Tornado: 41.9; Wildfire: 8.8; Hurricane: 7.5; Earthquake: 4.1.
How is flood displayed for Houston County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Houston County, Coastal Flooding is Not available, Inland Flooding is 46.0, and the displayed flood score is 46.0.

Counties with Similar Risk

Yellow Medicine County

Minnesota

+0.4

Very Low

NRI score 30.0

Mille Lacs County

Minnesota

-1.0

Very Low

NRI score 28.5

Cottonwood County

Minnesota

-1.8

Very Low

NRI score 27.7

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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