Which county in Florida has the highest natural disaster risk?

Miami-Dade County has the highest natural disaster risk score in Florida at 99.6 (Very High), based on FEMA National Risk Index data.

Which county in Florida is the safest from natural disasters?

Union County has the lowest natural disaster risk score in Florida at 10.9 (Very Low), based on FEMA NRI data.

What natural disasters are most common in Florida?

Florida counties face varying levels of risk from floods, wildfires, tornadoes, earthquakes, and hurricanes. The FEMA National Risk Index scores each county across 18 hazard types. See individual county pages for detailed hazard breakdowns.

How is natural disaster risk measured by county?

The FEMA National Risk Index (NRI) measures natural disaster risk using expected annual loss, social vulnerability, and community resilience. Scores are normalized nationally, with ratings from Very Low to Very High across 18 natural hazard types.

Florida Disaster Risk

Natural disaster risk data for all 67 counties.

Avg Risk Score

75.7

Risk Rating

Very High

Counties with Data

of 67 total

Highest Risk Counties

Miami-Dade County

99.6

Very High

Broward County

99.5

Relatively High

Palm Beach County

99.2

Relatively High

Lee County

99.0

Relatively High

Collier County

98.9

Relatively High

Lowest Risk Counties

Union County

10.9

Very Low

Liberty County

12.7

Very Low

Baker County

13.3

Very Low

Lafayette County

15.9

Very Low

Gilchrist County

28.0

Very Low

All Florida Counties

County	Risk Score	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

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