riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Nebraska Disaster Risk

Natural disaster risk data for all 93 counties.

FEMA release

December 2025

Mean county NRI score

25.8

Counties with Data

93

of 93 total

County risk atlas

Nebraska 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

93/93

Mean county NRI score

25.8

Risk layers

6

All Nebraska Counties

CountyNRI score
Douglas County95.9
Lancaster County90.7
Sarpy County83.6
Hall County74.2
Platte County70.6
Dodge County67.4
Buffalo County66.0
Dawson County65.3
Adams County64.3
Scotts Bluff County63.8
Madison County60.9
Cuming County57.3
Clay County56.0
Webster County55.5
York County52.3
Furnas County51.9
Lincoln County48.6
Boone County43.4
Merrick County42.9
Hamilton County42.6
Saline County42.4
Gage County40.6
Phelps County39.2
Thayer County38.4
Dakota County36.0
Franklin County32.2
Harlan County32.0
Cass County31.0
Kearney County30.9
Knox County29.7
Saunders County29.1
Colfax County28.6
Custer County28.0
Morrill County27.8
Cheyenne County27.8
Thurston County26.4
Valley County26.0
Polk County25.7
Washington County25.5
Seward County24.9
Butler County24.5
Howard County24.2
Jefferson County24.1
Nuckolls County22.5
Sherman County22.4
Cedar County21.7
Nance County21.7
Box Butte County21.0
Burt County20.7
Red Willow County20.3
Fillmore County20.1
Antelope County19.5
Otoe County18.0
Holt County17.2
Stanton County16.2
Pierce County14.2
Wayne County14.0
Richardson County13.8
Keith County13.8
Frontier County13.7
Cherry County13.6
Nemaha County13.4
Sheridan County13.4
Greeley County12.7
Gosper County9.8
Dixon County8.8
Kimball County7.6
Hitchcock County6.8
Chase County6.7
Dawes County5.6
Wheeler County5.5
Johnson County4.6
Perkins County4.4
Deuel County4.0
Pawnee County3.8
Boyd County3.4
Garden County2.8
Brown County2.4
Dundy County2.2
Keya Paha County1.5
Sioux County1.4
Garfield County1.3
Hayes County1.2
Banner County0.8
Rock County0.7
Blaine County0.4
Hooker County0.3
Arthur County0.3
Loup County0.3
Logan County0.2
Grant County0.2
Thomas County0.2
McPherson County0.1

Frequently Asked Questions

How many Nebraska county records are included?
RiskByCounty includes 93 Nebraska county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Nebraska?
FEMA NRI v1.20 (December 2025) county rating counts for Nebraska: Very Low: 74; Relatively Low: 16; Relatively Moderate: 2; Relatively High: 1; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Nebraska?
FEMA NRI v1.20 (December 2025) availability among 93 county records: Flood: 93 of 93; Wildfire: 93 of 93; Tornado: 93 of 93; Earthquake: 93 of 93; Hurricane: 17 of 93. 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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