riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Minnesota Disaster Risk

Natural disaster risk data for all 87 counties.

FEMA release

December 2025

Mean county NRI score

42.4

Counties with Data

87

of 87 total

County risk atlas

Minnesota hazard exposure by county

FEMA NRI v1.20 scores on a 0–100 relative scale. Toggle the composite and five selected hazard categories out of FEMA's 18. Flood is the higher of Coastal Flooding and Inland Flooding NRI scores.

Counties

87/87

Mean county NRI score

42.4

Risk layers

6

All Minnesota Counties

CountyNRI score
Hennepin County98.3
Ramsey County94.6
St. Louis County91.6
Dakota County89.5
Anoka County88.0
Stearns County87.6
Washington County83.9
Olmsted County82.3
Otter Tail County79.4
Crow Wing County77.5
Itasca County76.7
Scott County76.6
Rice County75.4
Clay County73.7
Blue Earth County72.2
Carlton County70.1
Winona County69.5
Wright County68.4
Mower County67.3
Polk County67.0
Morrison County66.9
Pine County62.2
Beltrami County60.6
Carver County59.7
Aitkin County56.6
Sherburne County53.6
Cass County53.5
Kandiyohi County51.4
Benton County51.3
Freeborn County51.0
Brown County50.4
Nobles County50.2
Fillmore County49.8
Pennington County47.0
McLeod County46.6
Wabasha County45.5
Faribault County45.5
Martin County45.5
Nicollet County45.4
Chisago County44.5
Douglas County44.3
Roseau County43.9
Lyon County43.5
Goodhue County43.3
Renville County38.5
Todd County37.7
Becker County37.4
Steele County37.2
Chippewa County37.0
Hubbard County35.2
Redwood County35.1
Lake County33.9
Koochiching County31.5
Yellow Medicine County30.0
Houston County29.5
Mille Lacs County28.5
Cottonwood County27.7
Meeker County27.0
Isanti County26.9
Swift County25.1
Waseca County24.7
Watonwan County23.9
Marshall County23.6
Sibley County23.0
Le Sueur County22.8
Jackson County22.4
Kanabec County21.3
Pope County20.5
Murray County19.8
Lac qui Parle County18.8
Lincoln County18.2
Pipestone County14.7
Norman County14.4
Dodge County14.2
Wadena County12.9
Cook County11.2
Rock County9.4
Big Stone County8.5
Mahnomen County7.1
Stevens County7.0
Traverse County6.2
Wilkin County5.3
Kittson County4.8
Clearwater County4.2
Lake of the Woods County3.5
Grant County3.0
Red Lake County2.2

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.

Official Ready.gov resource

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

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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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