Louisiana Natural Disaster Risk by County
FEMA National Risk Index rankings for all 64 counties
Louisiana spans 64 counties with an average FEMA National Risk Index score of 62.4 (high risk) and roughly $3.35B in combined expected annual loss statewide. 7 counties are rated High or Very High risk.
Leading the state for risk is Jefferson Parish (score 98.7, high), while Caldwell Parish (score 10.5) carries the lowest. Use the table below to compare every county by score, top hazard, and expected annual loss.
County Rankings
| # | County | Risk Score | Risk Rating | Top Hazard | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Jefferson Parish | High | Hurricane | $371M | |
| 2 | Orleans Parish | High | Hurricane | $304M | |
| 3 | East Baton Rouge Parish | High | Tornado | $267M | |
| 4 | St. Tammany Parish | High | Hurricane | $249M | |
| 5 | Calcasieu Parish | High | Lightning | $164M | |
| 6 | Lafayette Parish | High | Lightning | $190M | |
| 7 | Livingston Parish | High | Hurricane | $166M | |
| 8 | Terrebonne Parish | Medium | Hurricane | $141M | |
| 9 | Tangipahoa Parish | Medium | Hurricane | $107M | |
| 10 | Caddo Parish | Medium | Ice Storm | $89M | |
| 11 | Ascension Parish | Medium | Hurricane | $120M | |
| 12 | Lafourche Parish | Medium | Hurricane | $83M | |
| 13 | Iberia Parish | Medium | Hurricane | $64M | |
| 14 | St. Mary Parish | Medium | Hurricane | $61M | |
| 15 | Acadia Parish | Medium | Hurricane | $51M | |
| 16 | St. Landry Parish | Medium | Drought | $50M | |
| 17 | Ouachita Parish | Medium | Ice Storm | $50M | |
| 18 | St. Martin Parish | Medium | Hurricane | $47M | |
| 19 | Washington Parish | Medium | Hurricane | $35M | |
| 20 | St. Charles Parish | Medium | Hurricane | $57M | |
| 21 | Vermilion Parish | Medium | Drought | $44M | |
| 22 | Rapides Parish | Medium | Lightning | $40M | |
| 23 | Bossier Parish | Medium | Ice Storm | $48M | |
| 24 | St. John the Baptist Parish | Medium | Hurricane | $46M | |
| 25 | Evangeline Parish | Low | Cold Wave | $23M | |
| 26 | St. Bernard Parish | Low | Hurricane | $35M | |
| 27 | Jefferson Davis Parish | Low | Drought | $28M | |
| 28 | Iberville Parish | Low | Hurricane | $27M | |
| 29 | Avoyelles Parish | Low | Drought | $20M | |
| 30 | Plaquemines Parish | Low | Hurricane | $28M | |
| 31 | St. James Parish | Low | Hurricane | $23M | |
| 32 | Assumption Parish | Low | Drought | $20M | |
| 33 | Webster Parish | Low | Ice Storm | $18M | |
| 34 | Vernon Parish | Low | Hurricane | $22M | |
| 35 | Lincoln Parish | Low | Ice Storm | $17M | |
| 36 | Pointe Coupee Parish | Low | Cold Wave | $16M | |
| 37 | Sabine Parish | Low | Strong Wind | $14M | |
| 38 | East Feliciana Parish | Low | Hurricane | $13M | |
| 39 | Natchitoches Parish | Low | Strong Wind | $13M | |
| 40 | Beauregard Parish | Low | Lightning | $17M | |
| 41 | Morehouse Parish | Low | Ice Storm | $11M | |
| 42 | Allen Parish | Low | Hurricane | $14M | |
| 43 | Union Parish | Low | Ice Storm | $11M | |
| 44 | De Soto Parish | Very Low | Strong Wind | $9M | |
| 45 | Claiborne Parish | Very Low | Ice Storm | $7M | |
| 46 | Richland Parish | Very Low | Drought | $8M | |
| 47 | St. Helena Parish | Very Low | Drought | $7M | |
| 48 | Franklin Parish | Very Low | Drought | $8M | |
| 49 | West Feliciana Parish | Very Low | Hurricane | $10M | |
| 50 | Cameron Parish | Very Low | Lightning | $11M | |
| 51 | Madison Parish | Very Low | Drought | $6M | |
| 52 | West Baton Rouge Parish | Very Low | Hurricane | $13M | |
| 53 | Concordia Parish | Very Low | Drought | $7M | |
| 54 | Grant Parish | Very Low | Heat Wave | $8M | |
| 55 | Winn Parish | Very Low | Heat Wave | $6M | |
| 56 | Bienville Parish | Very Low | Ice Storm | $6M | |
| 57 | Jackson Parish | Very Low | Ice Storm | $6M | |
| 58 | East Carroll Parish | Very Low | Drought | $5M | |
| 59 | Catahoula Parish | Very Low | Drought | $4M | |
| 60 | Red River Parish | Very Low | Strong Wind | $4M | |
| 61 | West Carroll Parish | Very Low | Drought | $4M | |
| 62 | Tensas Parish | Very Low | Drought | $4M | |
| 63 | LaSalle Parish | Very Low | Hurricane | $5M | |
| 64 | Caldwell Parish | Very Low | Hurricane | $4M |
All 64 Louisiana counties, ranked by FEMA National Risk Index score.
Frequently Asked Questions
Which Louisiana county has the highest natural disaster risk?
Jefferson Parish has the highest FEMA National Risk Index score in Louisiana at 98.7 (High), driven largely by hurricane.
What is the average natural disaster risk in Louisiana?
Louisiana counties average a National Risk Index score of 62.4 across 64 counties, with 7 rated High or Very High risk.
How much are expected annual losses across Louisiana?
FEMA estimates roughly $3.35B in combined expected annual loss from natural hazards across all Louisiana counties.