Hurricane Risk in Louisiana
All Louisiana counties ranked by FEMA National Risk Index hurricane score
Hurricane risk — tropical cyclones bringing extreme wind, rain, and storm surge — is rated for 64 of 64 Louisiana counties in FEMA's National Risk Index. Jefferson Parish carries the state's highest hurricane score at 99.8, with $251M in expected annual hurricane losses.
24 Louisiana counties are rated High or Very High for hurricane, and expected annual losses from hurricane total roughly $1.55B statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Hurricane
| # | County | Hurricane Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Jefferson Parish | Very High | 0.28 / yr | $251M | |
| 2 | Orleans Parish | Very High | 0.25 / yr | $223M | |
| 3 | St. Tammany Parish | Very High | 0.23 / yr | $143M | |
| 4 | Lafayette Parish | Very High | 0.17 / yr | $98M | |
| 5 | Terrebonne Parish | Very High | 0.28 / yr | $89M | |
| 6 | East Baton Rouge Parish | Very High | 0.20 / yr | $67M | |
| 7 | Calcasieu Parish | Very High | 0.14 / yr | $71M | |
| 8 | Ascension Parish | High | 0.24 / yr | $74M | |
| 9 | Tangipahoa Parish | High | 0.21 / yr | $54M | |
| 10 | Lafourche Parish | High | 0.29 / yr | $54M | |
| 11 | Livingston Parish | High | 0.24 / yr | $62M | |
| 12 | Iberia Parish | High | 0.21 / yr | $33M | |
| 13 | St. Mary Parish | High | 0.23 / yr | $39M | |
| 14 | Acadia Parish | High | 0.15 / yr | $22M | |
| 15 | St. Martin Parish | High | 0.20 / yr | $21M | |
| 16 | St. Charles Parish | High | 0.28 / yr | $29M | |
| 17 | Washington Parish | High | 0.18 / yr | $17M | |
| 18 | St. John the Baptist Parish | High | 0.28 / yr | $28M | |
| 19 | St. Bernard Parish | High | 0.24 / yr | $25M | |
| 20 | Vermilion Parish | High | 0.17 / yr | $19M | |
| 21 | Plaquemines Parish | High | 0.27 / yr | $19M | |
| 22 | Iberville Parish | High | 0.20 / yr | $15M | |
| 23 | St. James Parish | High | 0.28 / yr | $13M | |
| 24 | Assumption Parish | High | 0.24 / yr | $11M | |
| 25 | Jefferson Davis Parish | Medium | 0.14 / yr | $10M | |
| 26 | St. Landry Parish | Medium | 0.16 / yr | $8M | |
| 27 | Rapides Parish | Medium | 0.10 / yr | $6M | |
| 28 | Avoyelles Parish | Medium | 0.13 / yr | $5M | |
| 29 | Evangeline Parish | Medium | 0.13 / yr | $5M | |
| 30 | Vernon Parish | Medium | 0.10 / yr | $4M | |
| 31 | Pointe Coupee Parish | Medium | 0.18 / yr | $3M | |
| 32 | Allen Parish | Medium | 0.12 / yr | $3M | |
| 33 | East Feliciana Parish | Medium | 0.18 / yr | $2M | |
| 34 | Caddo Parish | Medium | 0.05 / yr | $2M | |
| 35 | Beauregard Parish | Medium | 0.12 / yr | $2M | |
| 36 | Cameron Parish | Medium | 0.16 / yr | $3M | |
| 37 | West Baton Rouge Parish | Medium | 0.20 / yr | $3M | |
| 38 | Sabine Parish | Low | 0.08 / yr | $1M | |
| 39 | St. Helena Parish | Low | 0.19 / yr | $1M | |
| 40 | Ouachita Parish | Low | 0.05 / yr | $1M | |
| 41 | West Feliciana Parish | Low | 0.17 / yr | $1M | |
| 42 | Concordia Parish | Low | 0.12 / yr | $907K | |
| 43 | Natchitoches Parish | Low | 0.06 / yr | $706K | |
| 44 | Bossier Parish | Low | 0.06 / yr | $935K | |
| 45 | Catahoula Parish | Low | 0.08 / yr | $525K | |
| 46 | Franklin Parish | Low | 0.06 / yr | $552K | |
| 47 | Webster Parish | Low | 0.06 / yr | $406K | |
| 48 | Tensas Parish | Low | 0.07 / yr | $371K | |
| 49 | Madison Parish | Low | 0.06 / yr | $337K | |
| 50 | Claiborne Parish | Low | 0.06 / yr | $316K | |
| 51 | Morehouse Parish | Low | 0.05 / yr | $310K | |
| 52 | Bienville Parish | Low | 0.06 / yr | $294K | |
| 53 | De Soto Parish | Low | 0.07 / yr | $318K | |
| 54 | Lincoln Parish | Low | 0.04 / yr | $308K | |
| 55 | East Carroll Parish | Low | 0.06 / yr | $259K | |
| 56 | Richland Parish | Low | 0.06 / yr | $265K | |
| 57 | Winn Parish | Low | 0.06 / yr | $247K | |
| 58 | Jackson Parish | Low | 0.04 / yr | $236K | |
| 59 | Grant Parish | Low | 0.08 / yr | $309K | |
| 60 | LaSalle Parish | Low | 0.07 / yr | $334K | |
| 61 | Union Parish | Low | 0.04 / yr | $216K | |
| 62 | Red River Parish | Low | 0.07 / yr | $196K | |
| 63 | West Carroll Parish | Low | 0.06 / yr | $194K | |
| 64 | Caldwell Parish | Low | 0.06 / yr | $208K |
64 Louisiana counties with measurable hurricane risk. See the national hurricane ranking or all Louisiana counties by overall risk.
Frequently Asked Questions
Which Louisiana county has the highest hurricane risk?
Jefferson Parish has the highest FEMA hurricane risk score in Louisiana at 99.8 (Very High), with $251M in expected annual losses and about 0.28 events per year.
How many Louisiana counties face significant hurricane risk?
64 Louisiana counties record measurable hurricane risk in FEMA's National Risk Index; 24 of them are rated High or Very High.