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Natural Hazard Risk in Florida

The risk score (0–100) combines expected annual loss from 18 natural hazards with social vulnerability and community resilience. Higher = greater relative risk. Scores compare counties across the United States.

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CountyRisk scoreRatingExpected annual lossPopulation
Miami-Dade99.6Very High$824.7M2,698,679
Broward99.5Relatively High$648M1,940,829
Palm Beach99.2Relatively High$518.6M1,489,461
Lee99Relatively High$433.3M759,922
Collier98.9Relatively High$398.2M375,443
Hillsborough98.8Relatively High$494.6M1,458,282
Orange98.4Relatively High$417.7M1,428,790
Brevard98.4Relatively High$389.3M606,067
Pinellas98.2Relatively High$303.4M958,822
Sarasota98.2Relatively High$273M433,908
Manatee97.6Relatively High$254.7M399,485
Duval97.2Relatively High$263.9M994,675
Polk96.5Relatively High$212.6M721,918
Volusia96.2Relatively High$195.7M551,829
St. Lucie96.1Relatively High$193.4M328,876
Pasco96Relatively High$199.3M561,566
Indian River95.6Relatively High$163.1M159,719
Charlotte95.2Relatively High$131.3M186,734
Escambia95.1Relatively High$173.7M321,367
Marion94.7Relatively High$128.4M375,566
Citrus94.7Relatively High$112.1M153,476
Bay94.1Relatively Moderate$157.9M174,869
Martin94.1Relatively Moderate$119.4M158,246
Leon93.4Relatively Moderate$142.7M292,157
Okaloosa92.5Relatively Moderate$134.5M211,293
Osceola92Relatively Moderate$117.6M387,795
Lake91.9Relatively Moderate$102.3M383,042
Monroe91.6Relatively Moderate$93.3M82,390
Seminole91.4Relatively Moderate$129.2M470,586
Alachua90.3Relatively Moderate$89.6M277,984
Highlands89.4Relatively Moderate$46.7M101,136
Santa Rosa89Relatively Moderate$101.2M187,714
Walton88.6Relatively Moderate$68.4M75,211
Hernando88Relatively Moderate$60.1M194,448
Sumter87.6Relatively Moderate$46.1M129,698
St. Johns87.5Relatively Moderate$97M273,175
Flagler82.8Relatively Moderate$41.6M115,270
DeSoto81.6Relatively Moderate$26.3M33,898
Clay81.1Relatively Moderate$57.1M218,078
Okeechobee80.3Relatively Low$26.6M39,455
Putnam79.7Relatively Low$29.4M73,208
Hendry78.7Relatively Low$22.4M39,371
Jackson75.7Relatively Low$25.3M47,249
Gadsden72.4Relatively Low$19.3M43,693
Suwannee71.3Relatively Low$24.5M43,427
Columbia69.7Relatively Low$21.9M69,648
Hardee69.2Relatively Low$25.4M25,302
Levy66.1Relatively Low$15.3M42,750
Taylor65.4Relatively Low$16.2M21,690
Gulf59.5Relatively Low$17.3M14,176
Washington59.4Relatively Low$18.5M25,288
Nassau59.3Relatively Low$24.5M90,123
Holmes49.4Relatively Low$14.2M19,618
Glades48Relatively Low$8.8M12,052
Madison47.4Relatively Low$10.7M17,964
Wakulla46.7Relatively Low$18.9M33,756
Franklin46.5Relatively Low$11.2M12,426
Calhoun44.9Relatively Low$10.6M13,597
Hamilton43Relatively Low$8.6M13,941
Jefferson39Very Low$7.3M14,359
Bradford36.9Very Low$10.8M28,233
Dixie35.5Very Low$9.4M16,706
Gilchrist28Very Low$6.8M17,826
Lafayette15.9Very Low$5.6M8,205
Baker13.3Very Low$6.3M27,852
Liberty12.7Very Low$4.8M6,344
Union10.9Very Low$5M16,088

🏛️ Federal disaster declarations (last 2 years)

FMCOW CREEK FIREApr 23, 2026

Fire · Designated areas: Levy (County)

FMRAILROAD COMPLEX FIREApr 22, 2026

Fire · Designated areas: Putnam (County), Clay (County)

DRHURRICANE MILTONNov 5, 2024

Hurricane · Designated areas: Immokalee Indian Reservation, Hollywood Indian Reservation, Fort Pierce Indian Reservation, Big Cypress Indian Reservation, Brighton Indian Reservation, Tampa Reservation, Seminole Tribe of Florida

DRHURRICANE MILTON Oct 11, 2024

Hurricane · Designated areas: Pasco (County), Palm Beach (County), Osceola (County), Orange (County), Okeechobee (County), Martin (County), Marion (County), Manatee (County), Lee (County), Lake (County), Indian River (County), Volusia (County)…

EMHURRICANE MILTONOct 8, 2024

Hurricane · Designated areas: Hollywood Indian Reservation, Immokalee Indian Reservation, Seminole Tribe of Florida, Tampa Reservation, Big Cypress Indian Reservation, Brighton Indian Reservation, Fort Pierce Indian Reservation

EMHURRICANE MILTONOct 7, 2024

Hurricane · Designated areas: Sarasota (County), St. Lucie (County), St. Johns (County), Putnam (County), Polk (County), Pinellas (County), Pasco (County), Palm Beach (County), Osceola (County), Orange (County), Okeechobee (County), Nassau (County)…

DRHURRICANE HELENESep 28, 2024

Hurricane · Designated areas: Levy (County), Bay (County), Calhoun (County), Escambia (County), Gadsden (County), Holmes (County), Jackson (County), Liberty (County), Marion (County), Monroe (County), Nassau (County), Okaloosa (County)…

EMTROPICAL STORM HELENESep 24, 2024

Tropical Storm · Designated areas: Bay (County), Bradford (County), Calhoun (County), Charlotte (County), Citrus (County), Collier (County), Columbia (County), Dixie (County), Escambia (County), Franklin (County), Gadsden (County), Gilchrist (County)…

DRHURRICANE DEBBYAug 10, 2024

Tropical Storm · Designated areas: Gulf (County), Glades (County), Gadsden (County), Franklin (County), Bay (County), Hardee (County), Levy (County), Lafayette (County), Jefferson (County), Hillsborough (County), Hamilton (County), Gilchrist (County)…

EMTROPICAL STORM DEBBYAug 3, 2024

Tropical Storm · Designated areas: Bradford (County), Brevard (County), Calhoun (County), Charlotte (County), Citrus (County), Clay (County), Collier (County), Columbia (County), DeSoto (County), Dixie (County), Duval (County), Escambia (County)…

Major disaster (DR) and emergency (EM) declarations unlock federal assistance for the designated areas. Source: FEMA / OpenFEMA.

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Data: FEMA National Risk Index (updated ~annually). AlertAtlas is not an official warning service — always follow local authorities.