FEMA NRI v1.20Released December 2025Methodology

Florida Disaster Risk

Natural disaster risk data for all 67 counties.

FEMA release

December 2025

Mean county NRI score

75.7

Counties with Data

of 67 total

County risk atlas

Florida 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

67/67

Mean county NRI score

75.7

Risk layers

Highest Risk Counties

Miami-Dade County

Very High

NRI score 99.6

Broward County

Relatively High

NRI score 99.5

Palm Beach County

Relatively High

NRI score 99.2

Lee County

Relatively High

NRI score 99.0

Collier County

Relatively High

NRI score 98.9

Lowest Risk Counties

Union County

Very Low

NRI score 10.9

Liberty County

Very Low

NRI score 12.7

Baker County

Very Low

NRI score 13.3

Lafayette County

Very Low

NRI score 15.9

Gilchrist County

Very Low

NRI score 28.0

All Florida Counties

County	NRI score	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
Miami-Dade County	99.6	Very High	99.7	96.9	98.7	62.1
Broward County	99.5	Relatively High	99.4	97.0	96.3	40.9
Palm Beach County	99.2	Relatively High	98.9	95.3	93.8	44.9
Lee County	99.0	Relatively High	97.4	96.6	87.5	33.9
Collier County	98.9	Relatively High	98.3	96.4	76.4	38.6
Hillsborough County	98.8	Relatively High	97.8	95.7	99.7	68.5
Orange County	98.4	Relatively High	98.4	97.4	99.1	75.4
Brevard County	98.4	Relatively High	95.0	97.2	95.3	46.4
Pinellas County	98.2	Relatively High	99.2	81.1	99.0	66.9
Sarasota County	98.2	Relatively High	95.7	93.3	92.5	34.7
Manatee County	97.6	Relatively High	98.0	90.5	98.0	34.8
Duval County	97.2	Relatively High	97.6	89.9	91.5	90.2
Polk County	96.5	Relatively High	94.6	97.0	93.9	52.4
Volusia County	96.2	Relatively High	95.2	96.3	98.3	68.4
St. Lucie County	96.1	Relatively High	89.3	86.6	82.8	39.5
Pasco County	96.0	Relatively High	95.4	95.4	98.4	45.2
Indian River County	95.6	Relatively High	85.9	88.2	72.5	32.3
Charlotte County	95.2	Relatively High	90.4	92.5	62.6	30.3
Escambia County	95.1	Relatively High	88.7	82.6	71.2	68.6
Marion County	94.7	Relatively High	93.0	96.8	97.3	63.1
Citrus County	94.7	Relatively High	92.6	90.5	89.0	38.6
Bay County	94.1	Relatively Moderate	77.2	75.7	94.1	54.9
Martin County	94.1	Relatively Moderate	83.3	90.4	74.8	21.4
Leon County	93.4	Relatively Moderate	91.5	90.0	97.1	67.4
Okaloosa County	92.5	Relatively Moderate	80.4	75.7	94.2	62.3
Osceola County	92.0	Relatively Moderate	92.1	94.8	93.6	46.5
Lake County	91.9	Relatively Moderate	92.3	96.0	97.4	61.1
Monroe County	91.6	Relatively Moderate	98.8	61.9	25.6	6.4
Seminole County	91.4	Relatively Moderate	92.7	92.3	97.6	65.9
Alachua County	90.3	Relatively Moderate	88.6	95.2	90.3	65.6
Highlands County	89.4	Relatively Moderate	78.4	92.7	82.5	28.0
Santa Rosa County	89.0	Relatively Moderate	73.7	81.3	89.6	51.0
Walton County	88.6	Relatively Moderate	68.3	75.7	85.6	46.4
Hernando County	88.0	Relatively Moderate	85.6	88.0	91.8	30.2
Sumter County	87.6	Relatively Moderate	84.8	92.3	91.6	45.4
St. Johns County	87.5	Relatively Moderate	89.4	89.4	85.4	56.6
Flagler County	82.8	Relatively Moderate	79.2	88.2	80.9	39.2
DeSoto County	81.6	Relatively Moderate	50.5	84.5	59.4	15.7
Clay County	81.1	Relatively Moderate	85.9	82.9	83.2	64.6
Okeechobee County	80.3	Relatively Low	80.3	89.9	44.2	22.9
Putnam County	79.7	Relatively Low	77.3	90.5	78.5	49.1
Hendry County	78.7	Relatively Low	64.3	93.3	37.6	18.7
Jackson County	75.7	Relatively Low	60.9	49.8	59.4	51.4
Gadsden County	72.4	Relatively Low	57.7	79.6	83.8	44.3
Suwannee County	71.3	Relatively Low	62.9	81.9	51.7	45.2
Columbia County	69.7	Relatively Low	68.2	88.1	66.8	58.3
Hardee County	69.2	Relatively Low	26.4	82.9	42.5	11.2
Levy County	66.1	Relatively Low	72.6	87.3	58.7	33.8
Taylor County	65.4	Relatively Low	76.6	81.4	37.2	37.1
Gulf County	59.5	Relatively Low	61.6	74.2	38.1	19.4
Washington County	59.4	Relatively Low	35.7	60.3	68.9	33.5
Nassau County	59.3	Relatively Low	75.8	86.5	53.6	62.8
Holmes County	49.4	Relatively Low	26.5	32.2	53.0	31.6
Glades County	48.0	Relatively Low	44.6	87.7	20.9	6.8
Madison County	47.4	Relatively Low	33.3	63.5	38.2	32.5
Wakulla County	46.7	Relatively Low	61.2	84.5	50.9	23.7
Franklin County	46.5	Relatively Low	77.4	77.6	32.5	20.6
Calhoun County	44.9	Relatively Low	32.2	59.6	56.6	28.8
Hamilton County	43.0	Relatively Low	25.9	69.3	33.4	39.4
Jefferson County	39.0	Very Low	39.4	71.3	57.3	30.8
Bradford County	36.9	Very Low	30.6	80.8	41.3	36.6
Dixie County	35.5	Very Low	73.6	72.9	26.2	23.8
Gilchrist County	28.0	Very Low	31.4	77.2	31.0	27.2
Lafayette County	15.9	Very Low	22.0	59.7	19.5	22.5
Baker County	13.3	Very Low	22.7	76.2	31.5	36.0
Liberty County	12.7	Very Low	28.6	68.6	28.3	16.7
Union County	10.9	Very Low	11.1	73.9	27.7	26.7

Frequently Asked Questions

How many Florida county records are included?

RiskByCounty includes 67 Florida county records from FEMA NRI v1.20 (December 2025).

Which FEMA county ratings appear in Florida?

FEMA NRI v1.20 (December 2025) county rating counts for Florida: Very Low: 8; Relatively Low: 20; Relatively Moderate: 18; Relatively High: 20; Very High: 1; Not available: 0.

How complete are the five selected hazard fields for Florida?

FEMA NRI v1.20 (December 2025) availability among 67 county records: Flood: 67 of 67; Wildfire: 67 of 67; Tornado: 67 of 67; Earthquake: 67 of 67; Hurricane: 67 of 67. 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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