FEMA NRI v1.20Released December 2025Methodology

Indiana Disaster Risk

Natural disaster risk data for all 92 counties.

FEMA release

December 2025

Mean county NRI score

45.5

Counties with Data

of 92 total

County risk atlas

Indiana 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

92/92

Mean county NRI score

45.5

Risk layers

Highest Risk Counties

Marion County

Relatively High

NRI score 97.5

Lake County

Relatively High

NRI score 95.9

Vanderburgh County

Relatively Moderate

NRI score 91.3

Allen County

Relatively Moderate

NRI score 90.8

Hamilton County

Relatively Moderate

NRI score 88.8

Lowest Risk Counties

Ohio County

Very Low

NRI score 3.4

Benton County

Very Low

NRI score 4.9

Union County

Very Low

NRI score 5.2

Warren County

Very Low

NRI score 5.8

Tipton County

Very Low

NRI score 8.9

All Indiana Counties

County	NRI score	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
Marion County	97.5	Relatively High	98.3	22.3	99.0	96.4
Lake County	95.9	Relatively High	96.2	66.1	99.1	89.1
Vanderburgh County	91.3	Relatively Moderate	89.8	31.2	95.9	97.2
Allen County	90.8	Relatively Moderate	93.5	39.1	97.5	84.9
Hamilton County	88.8	Relatively Moderate	91.1	20.3	96.8	84.9
St. Joseph County	85.8	Relatively Moderate	85.4	22.2	90.5	78.3
Elkhart County	83.7	Relatively Moderate	84.1	32.9	90.6	77.2
Vigo County	83.2	Relatively Moderate	85.1	27.0	83.2	91.4
Tippecanoe County	81.8	Relatively Moderate	79.7	29.0	83.3	80.3
Porter County	81.4	Relatively Moderate	80.0	60.5	94.4	69.4
Clark County	81.4	Relatively Moderate	81.2	20.7	95.2	84.3
LaPorte County	78.9	Relatively Low	74.6	35.2	92.6	70.0
Madison County	77.3	Relatively Low	82.6	19.2	85.3	81.8
Hendricks County	76.8	Relatively Low	81.0	10.7	87.0	82.1
Delaware County	76.3	Relatively Low	82.5	21.8	90.4	82.7
Monroe County	76.0	Relatively Low	80.8	31.2	82.2	87.6
Floyd County	75.4	Relatively Low	74.2	19.3	92.2	77.7
Johnson County	74.7	Relatively Low	78.9	19.7	89.3	81.6
Wayne County	74.1	Relatively Low	79.7	20.7	90.7	74.1
Bartholomew County	70.9	Relatively Low	78.0	26.1	87.3	83.3
Grant County	69.4	Relatively Low	73.4	15.6	88.8	78.2
Kosciusko County	66.3	Relatively Low	63.7	24.4	85.9	67.7
Warrick County	65.1	Relatively Low	68.9	35.6	71.7	89.5
Howard County	63.7	Relatively Low	64.5	14.6	83.7	77.1
Morgan County	63.5	Relatively Low	70.9	23.1	77.7	72.0
LaGrange County	62.4	Relatively Low	65.6	29.9	80.9	60.9
Dubois County	59.1	Relatively Low	66.1	16.8	58.7	87.5
Daviess County	58.8	Relatively Low	62.2	22.4	72.1	88.6
Cass County	56.8	Relatively Low	64.1	11.1	60.4	62.4
Knox County	55.3	Relatively Low	53.4	8.2	61.0	90.5
Jackson County	52.9	Relatively Low	57.6	8.3	83.2	74.7
Miami County	52.8	Relatively Low	65.1	9.1	59.2	54.9
Adams County	52.1	Relatively Low	61.3	10.4	75.9	62.9
Harrison County	51.0	Relatively Low	56.7	18.1	82.1	69.1
Jefferson County	48.3	Relatively Low	55.9	9.4	82.1	61.5
Gibson County	48.0	Relatively Low	36.9	6.2	38.7	88.5
Lawrence County	47.8	Relatively Low	55.9	15.6	74.3	75.7
Ripley County	46.8	Relatively Low	53.8	8.0	79.5	65.4
Posey County	46.3	Relatively Low	51.2	3.6	55.9	88.1
Dearborn County	45.2	Relatively Low	52.6	12.3	75.5	52.4
Henry County	44.8	Relatively Low	54.8	9.1	80.7	67.4
Noble County	44.2	Relatively Low	48.4	16.6	74.5	54.5
Hancock County	44.0	Relatively Low	57.1	4.9	73.9	69.8
Shelby County	43.4	Relatively Low	52.5	4.7	78.8	72.6
Boone County	43.2	Relatively Low	56.8	7.0	39.6	68.0
Putnam County	42.8	Relatively Low	48.1	10.0	63.0	69.3
Greene County	42.5	Very Low	52.0	8.4	63.5	75.3
Marshall County	41.6	Very Low	44.9	6.7	66.3	53.5
DeKalb County	41.3	Very Low	51.8	12.0	67.6	56.8
Montgomery County	41.0	Very Low	42.8	11.4	48.3	70.5
Wabash County	41.0	Very Low	47.3	9.7	71.7	53.3
Washington County	40.9	Very Low	47.4	10.8	77.3	67.8
Orange County	40.5	Very Low	47.6	12.8	76.7	71.5
Spencer County	39.4	Very Low	45.5	29.4	55.5	83.5
White County	38.5	Very Low	48.6	7.4	52.5	60.1
Huntington County	38.2	Very Low	48.3	9.6	67.9	50.7
Owen County	35.1	Very Low	49.4	11.5	45.8	61.2
Perry County	35.0	Very Low	49.0	5.9	64.5	64.8
Franklin County	34.2	Very Low	52.7	14.9	60.5	40.0
Fayette County	33.5	Very Low	48.7	4.6	68.2	49.2
Jasper County	32.8	Very Low	44.9	18.7	46.2	51.7
Jennings County	31.9	Very Low	44.4	14.2	67.8	63.5
Randolph County	31.5	Very Low	47.0	7.1	69.3	60.5
Clinton County	30.5	Very Low	34.9	5.5	56.7	59.7
Carroll County	29.6	Very Low	47.2	7.2	42.6	47.1
Parke County	27.6	Very Low	34.4	9.6	47.5	62.5
Steuben County	27.2	Very Low	38.2	12.9	60.4	44.1
Clay County	27.0	Very Low	34.2	6.8	45.3	73.0
Crawford County	25.8	Very Low	40.9	8.5	60.5	53.4
Starke County	24.9	Very Low	27.5	13.1	59.7	41.4
Whitley County	24.6	Very Low	34.3	10.1	60.9	45.3
Vermillion County	23.4	Very Low	33.0	7.3	39.5	65.4
Decatur County	23.1	Very Low	36.5	6.8	59.5	59.2
Jay County	22.9	Very Low	36.8	5.2	61.7	57.0
Wells County	22.8	Very Low	37.7	5.0	59.1	49.8
Scott County	22.3	Very Low	23.9	6.1	72.6	64.1
Fountain County	21.2	Very Low	21.1	6.5	36.9	54.7
Sullivan County	20.6	Very Low	23.0	2.8	48.0	77.9
Fulton County	20.2	Very Low	20.5	5.4	50.8	43.7
Brown County	19.7	Very Low	38.0	8.3	51.1	42.5
Pike County	19.2	Very Low	26.8	11.6	40.3	79.6
Rush County	15.8	Very Low	28.5	1.2	54.8	53.4
Martin County	12.3	Very Low	28.3	2.6	34.7	55.0
Newton County	11.7	Very Low	19.3	10.3	32.5	44.8
Switzerland County	11.6	Very Low	21.5	3.0	49.2	31.3
Pulaski County	11.2	Very Low	18.4	1.9	34.6	42.9
Blackford County	9.0	Very Low	18.7	2.5	45.2	44.7
Tipton County	8.9	Very Low	18.9	1.4	42.2	45.3
Warren County	5.8	Very Low	12.3	2.5	23.8	36.8
Union County	5.2	Very Low	9.5	0.4	28.4	26.7
Benton County	4.9	Very Low	8.5	1.2	29.5	41.5
Ohio County	3.4	Very Low	7.8	0.9	34.5	25.5

Frequently Asked Questions

How many Indiana county records are included?

RiskByCounty includes 92 Indiana county records from FEMA NRI v1.20 (December 2025).

Which FEMA county ratings appear in Indiana?

FEMA NRI v1.20 (December 2025) county rating counts for Indiana: Very Low: 46; Relatively Low: 35; Relatively Moderate: 9; Relatively High: 2; Very High: 0; Not available: 0.

How complete are the five selected hazard fields for Indiana?

FEMA NRI v1.20 (December 2025) availability among 92 county records: Flood: 92 of 92; Wildfire: 92 of 92; Tornado: 92 of 92; Earthquake: 92 of 92; Hurricane: 92 of 92. 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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