FEMA NRI v1.20Released December 2025Methodology

Missouri Disaster Risk

Natural disaster risk data for all 115 counties.

FEMA release

December 2025

Mean county NRI score

50.6

Counties with Data

115

of 115 total

County risk atlas

Missouri 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

115/115

Mean county NRI score

50.6

Risk layers

Highest Risk Counties

St. Louis County

Relatively High

NRI score 99.3

St. Louis city

Relatively High

NRI score 98.7

Jackson County

Relatively High

NRI score 96.5

St. Charles County

Relatively Moderate

NRI score 92.6

Jefferson County

Relatively Moderate

NRI score 90.5

Lowest Risk Counties

Schuyler County

Very Low

NRI score 3.6

Worth County

Very Low

NRI score 8.2

Putnam County

Very Low

NRI score 8.2

Sullivan County

Very Low

NRI score 10.1

Mercer County

Very Low

NRI score 12.3

All Missouri Counties

County	NRI score	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
St. Louis County	99.3	Relatively High	99.1	61.7	98.1	99.0
St. Louis city	98.7	Relatively High	97.0	3.0	98.9	98.5
Jackson County	96.5	Relatively High	96.5	49.2	99.5	82.2
St. Charles County	92.6	Relatively Moderate	94.2	58.8	96.4	94.6
Jefferson County	90.5	Relatively Moderate	91.4	53.1	95.1	93.4
Greene County	90.1	Relatively Moderate	88.8	72.4	94.9	92.9
Clay County	89.8	Relatively Moderate	87.8	69.1	96.2	63.7
Camden County	88.4	Relatively Moderate	93.3	81.8	83.9	79.2
Boone County	85.8	Relatively Moderate	87.8	70.7	92.3	87.0
Cape Girardeau County	85.7	Relatively Moderate	78.1	32.7	77.6	96.6
Jasper County	85.6	Relatively Moderate	84.9	66.3	95.6	79.0
Taney County	84.0	Relatively Moderate	89.1	67.9	77.7	76.0
Franklin County	83.5	Relatively Moderate	85.4	66.7	86.5	89.9
Butler County	83.1	Relatively Moderate	79.1	39.4	90.1	95.1
Dunklin County	80.1	Relatively Low	42.7	7.8	73.7	96.4
Scott County	80.1	Relatively Low	49.0	11.3	89.9	96.2
St. Francois County	78.5	Relatively Low	70.4	57.3	85.1	91.5
Pemiscot County	78.0	Relatively Low	27.5	3.9	83.8	96.2
Howell County	77.8	Relatively Low	79.6	75.4	76.6	91.1
Newton County	77.5	Relatively Low	80.0	77.3	87.9	69.9
Stone County	76.7	Relatively Low	74.7	64.1	69.1	66.3
Morgan County	75.5	Relatively Low	82.7	72.3	79.1	67.1
Barry County	75.1	Relatively Low	79.4	67.6	85.0	70.4
Cass County	74.9	Relatively Low	70.5	29.5	89.9	54.4
Buchanan County	74.4	Relatively Low	68.5	57.8	89.7	45.0
Stoddard County	74.3	Relatively Low	41.6	13.4	75.3	95.5
Cole County	73.4	Relatively Low	73.5	71.7	84.3	82.3
New Madrid County	71.9	Relatively Low	22.6	3.8	59.5	96.1
Platte County	71.4	Relatively Low	65.9	60.6	88.0	42.1
Iron County	69.5	Relatively Low	64.5	50.8	58.4	78.1
Washington County	67.8	Relatively Low	52.6	56.0	65.2	82.9
Lincoln County	67.1	Relatively Low	70.3	59.3	72.9	77.8
Wayne County	67.0	Relatively Low	68.6	47.2	70.1	85.5
Benton County	66.8	Relatively Low	67.4	69.5	74.7	59.4
Christian County	66.5	Relatively Low	70.0	70.4	80.8	71.0
Lawrence County	66.2	Relatively Low	67.2	53.4	84.1	71.2
Laclede County	66.0	Relatively Low	61.4	78.2	58.9	80.7
McDonald County	64.0	Relatively Low	73.7	72.8	73.3	38.7
Callaway County	63.9	Relatively Low	68.4	66.2	61.6	75.9
Reynolds County	63.9	Relatively Low	54.1	48.5	42.5	72.6
Texas County	62.4	Relatively Low	49.2	64.9	63.1	80.1
Pettis County	62.0	Relatively Low	60.3	51.7	80.5	69.3
Pulaski County	60.5	Relatively Low	62.4	62.5	61.5	69.8
Shannon County	57.5	Relatively Low	46.0	60.8	44.7	76.6
Wright County	57.4	Relatively Low	62.3	64.6	57.1	76.1
Mississippi County	57.2	Relatively Low	25.5	1.6	68.0	93.5
Ripley County	57.0	Relatively Low	59.4	44.8	57.8	87.9
Clinton County	56.2	Relatively Low	65.6	66.3	72.4	34.6
Warren County	55.3	Relatively Low	61.2	56.6	55.2	73.3
Miller County	55.1	Relatively Low	61.5	70.0	69.5	66.9
Crawford County	55.0	Relatively Low	47.6	53.6	52.9	78.9
Johnson County	54.9	Relatively Low	59.7	28.8	57.2	49.6
Ste. Genevieve County	54.6	Relatively Low	52.6	36.2	57.9	81.6
Polk County	54.5	Relatively Low	57.9	72.2	73.5	63.6
Carter County	53.9	Relatively Low	60.6	47.5	40.1	82.2
Phelps County	53.7	Relatively Low	52.4	57.9	38.5	79.5
Henry County	52.8	Relatively Low	61.1	43.5	62.4	58.9
Dent County	52.5	Relatively Low	32.7	60.0	44.9	78.2
Lafayette County	52.5	Relatively Low	44.3	34.0	66.2	46.2
Saline County	51.6	Relatively Low	58.5	30.2	60.5	60.1
Audrain County	51.4	Relatively Low	55.3	41.8	55.8	77.2
Madison County	50.9	Relatively Low	54.3	30.2	51.9	81.3
Oregon County	48.7	Relatively Low	46.4	60.1	62.0	82.4
Marion County	47.9	Relatively Low	59.3	30.8	45.8	50.9
Perry County	46.2	Relatively Low	32.1	17.0	58.3	87.7
Vernon County	46.0	Relatively Low	49.8	24.5	51.3	52.4
Nodaway County	45.6	Relatively Low	51.0	53.0	75.3	19.4
Webster County	44.6	Relatively Low	43.4	69.1	65.6	70.3
Ray County	44.4	Relatively Low	48.8	55.0	57.9	35.3
Barton County	43.6	Relatively Low	45.9	10.2	64.5	51.9
Dallas County	41.7	Very Low	37.9	73.5	60.4	59.1
Pike County	40.3	Very Low	45.1	42.0	37.9	62.7
Montgomery County	38.3	Very Low	47.9	44.4	32.7	69.1
Macon County	36.8	Very Low	47.7	52.6	66.0	54.5
Randolph County	35.8	Very Low	37.4	38.4	67.7	60.3
Ozark County	35.7	Very Low	42.0	60.8	51.8	64.7
Scotland County	33.0	Very Low	18.3	55.2	51.8	30.3
Osage County	32.9	Very Low	47.5	35.8	53.6	55.9
Carroll County	32.6	Very Low	45.4	43.9	56.8	36.5
Gasconade County	32.0	Very Low	46.1	34.3	35.2	62.7
Linn County	31.2	Very Low	39.0	50.7	66.9	40.9
Moniteau County	31.0	Very Low	32.5	67.7	56.2	56.6
Bates County	30.5	Very Low	39.5	14.9	52.8	44.5
Daviess County	30.1	Very Low	36.2	51.7	56.6	23.0
Chariton County	29.4	Very Low	44.1	48.2	50.6	42.0
Harrison County	29.3	Very Low	28.1	60.1	58.1	25.7
Gentry County	28.8	Very Low	27.1	51.9	53.8	17.3
Adair County	28.7	Very Low	31.4	42.9	75.2	39.2
Grundy County	27.9	Very Low	30.2	46.8	64.7	30.7
Lewis County	27.4	Very Low	37.1	36.7	32.8	38.5
Bollinger County	26.3	Very Low	33.0	22.1	53.5	78.0
Cedar County	26.0	Very Low	24.7	49.4	63.3	43.7
St. Clair County	25.6	Very Low	35.8	53.1	36.1	41.7
Douglas County	23.7	Very Low	27.0	58.7	46.1	63.4
Hickory County	23.5	Very Low	32.4	69.4	46.5	42.9
Dade County	23.3	Very Low	27.7	38.1	45.7	41.6
Livingston County	23.0	Very Low	26.4	38.2	64.9	31.8
Andrew County	22.1	Very Low	24.7	50.2	65.5	15.6
Clark County	21.8	Very Low	30.5	47.4	25.6	32.8
Atchison County	21.7	Very Low	25.6	28.8	43.6	14.2
Monroe County	21.2	Very Low	24.1	31.9	43.2	46.0
Knox County	21.0	Very Low	23.3	35.3	39.6	30.5
Maries County	20.8	Very Low	28.9	45.5	43.9	51.5
Cooper County	20.4	Very Low	29.9	40.4	50.8	47.8
DeKalb County	16.0	Very Low	21.0	46.4	56.4	23.5
Shelby County	15.9	Very Low	14.6	20.8	37.2	39.5
Holt County	15.7	Very Low	21.7	32.8	40.8	16.7
Caldwell County	14.4	Very Low	21.9	45.4	37.7	25.2
Ralls County	14.1	Very Low	27.2	32.1	21.2	37.3
Howard County	13.8	Very Low	23.2	31.9	44.6	40.7
Mercer County	12.3	Very Low	17.9	48.3	44.0	17.2
Sullivan County	10.1	Very Low	12.4	42.6	47.7	21.8
Putnam County	8.2	Very Low	10.1	40.1	43.0	19.2
Worth County	8.2	Very Low	4.6	34.1	23.5	5.6
Schuyler County	3.6	Very Low	6.1	41.2	38.4	21.1

Frequently Asked Questions

How many Missouri county records are included?

RiskByCounty includes 115 Missouri county records from FEMA NRI v1.20 (December 2025).

Which FEMA county ratings appear in Missouri?

FEMA NRI v1.20 (December 2025) county rating counts for Missouri: Very Low: 45; Relatively Low: 56; Relatively Moderate: 11; Relatively High: 3; Very High: 0; Not available: 0.

How complete are the five selected hazard fields for Missouri?

FEMA NRI v1.20 (December 2025) availability among 115 county records: Flood: 115 of 115; Wildfire: 115 of 115; Tornado: 115 of 115; Earthquake: 115 of 115; Hurricane: 115 of 115. RiskByCounty displays five selected hazard categories out of FEMA's 18.

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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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