Louisiana hurricane risk
Jefferson Parish has the highest hurricane risk in Louisiana, scoring 99.8 out of 100 — rated "Very High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Jefferson Parish | 99.8 | Very High | 0 |
| 2 | Orleans Parish | 99.7 | Very High | 0 |
| 3 | St. Tammany Parish | 98.9 | Very High | 0 |
| 4 | Lafayette Parish | 98.4 | Very High | 0 |
| 5 | Terrebonne Parish | 98.4 | Very High | 0 |
| 6 | Calcasieu Parish | 98.2 | Very High | 0 |
| 7 | East Baton Rouge Parish | 98.2 | Very High | 0 |
| 8 | Ascension Parish | 98 | Relatively High | 0 |
| 9 | Tangipahoa Parish | 97.9 | Relatively High | 0 |
| 10 | Lafourche Parish | 97.7 | Relatively High | 0 |
| 11 | Livingston Parish | 97.6 | Relatively High | 0 |
| 12 | Iberia Parish | 97.3 | Relatively High | 0 |
| 13 | St. Mary Parish | 97.3 | Relatively High | 0 |
| 14 | Acadia Parish | 96.7 | Relatively High | 0 |
| 15 | St. Martin Parish | 96.1 | Relatively High | 0 |
| 16 | St. Charles Parish | 96 | Relatively High | 0 |
| 17 | Washington Parish | 95.9 | Relatively High | 0 |
| 18 | St. John the Baptist Parish | 95.7 | Relatively High | 0 |
| 19 | St. Bernard Parish | 95.5 | Relatively High | 0 |
| 20 | Vermilion Parish | 95.4 | Relatively High | 0 |
| 21 | Plaquemines Parish | 94.9 | Relatively High | 0 |
| 22 | Iberville Parish | 94.4 | Relatively High | 0 |
| 23 | St. James Parish | 94.1 | Relatively High | 0 |
| 24 | Assumption Parish | 93.5 | Relatively High | 0 |
| 25 | Jefferson Davis Parish | 92.3 | Relatively Moderate | 0 |
| 26 | St. Landry Parish | 92.2 | Relatively Moderate | 0 |
| 27 | Rapides Parish | 90.6 | Relatively Moderate | 0 |
| 28 | Avoyelles Parish | 90 | Relatively Moderate | 0 |
| 29 | Evangeline Parish | 89.6 | Relatively Moderate | 0 |
| 30 | Vernon Parish | 87 | Relatively Moderate | 0 |
| 31 | Pointe Coupee Parish | 86.5 | Relatively Moderate | 0 |
| 32 | Allen Parish | 85 | Relatively Moderate | 0 |
| 33 | East Feliciana Parish | 84.6 | Relatively Moderate | 0 |
| 34 | Caddo Parish | 82.8 | Relatively Moderate | 0 |
| 35 | Beauregard Parish | 82.5 | Relatively Moderate | 0 |
| 36 | Cameron Parish | 82.1 | Relatively Moderate | 0 |
| 37 | West Baton Rouge Parish | 82 | Relatively Moderate | 0 |
| 38 | Sabine Parish | 80.3 | Relatively Low | 0 |
| 39 | St. Helena Parish | 79.6 | Relatively Low | 0 |
| 40 | Ouachita Parish | 79.5 | Relatively Low | 0 |
| 41 | West Feliciana Parish | 78.2 | Relatively Low | 0 |
| 42 | Concordia Parish | 77.4 | Relatively Low | 0 |
| 43 | Natchitoches Parish | 75 | Relatively Low | 0 |
| 44 | Bossier Parish | 74.8 | Relatively Low | 0 |
| 45 | Catahoula Parish | 74 | Relatively Low | 0 |
| 46 | Franklin Parish | 73.6 | Relatively Low | 0 |
| 47 | Webster Parish | 70.9 | Relatively Low | 0 |
| 48 | Tensas Parish | 70.3 | Relatively Low | 0 |
| 49 | Madison Parish | 69.6 | Relatively Low | 0 |
| 50 | Claiborne Parish | 69.5 | Relatively Low | 0 |
| 51 | Morehouse Parish | 68.2 | Relatively Low | 0 |
| 52 | Bienville Parish | 67.9 | Relatively Low | 0 |
| 53 | De Soto Parish | 67.4 | Relatively Low | 0 |
| 54 | Lincoln Parish | 67 | Relatively Low | 0 |
| 55 | East Carroll Parish | 66.8 | Relatively Low | 0 |
| 56 | Richland Parish | 66.2 | Relatively Low | 0 |
| 57 | Winn Parish | 66.1 | Relatively Low | 0 |
| 58 | Jackson Parish | 65.4 | Relatively Low | 0 |
| 59 | Grant Parish | 65.2 | Relatively Low | 0 |
| 60 | LaSalle Parish | 65 | Relatively Low | 0 |
| 61 | Union Parish | 64.3 | Relatively Low | 0 |
| 62 | Red River Parish | 64 | Relatively Low | 0 |
| 63 | West Carroll Parish | 62.8 | Relatively Low | 0 |
| 64 | Caldwell Parish | 62.2 | Relatively Low | 0 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Hurricane risk nationally:
Other hazard risks in Louisiana:
Frequently asked questions
What is the highest hurricane risk county in Louisiana?
Jefferson Parish, LA has the highest hurricane risk in Louisiana, with a FEMA National Risk Index score of 99.8 out of 100 (rated "Very High").
How many counties in Louisiana are rated Very High for hurricane risk?
7 of 64 scored Louisiana counties are rated "Very High" for hurricane risk by FEMA's National Risk Index.
What causes hurricane risk in Louisiana?
Hurricane risk covers expected annual losses from tropical cyclone winds — storm surge is captured separately under coastal flooding. High scores concentrate along the Gulf Coast and Atlantic Seaboard from Texas through New England, with Florida's peninsula and barrier islands typically leading national rankings. The NRI score also accounts for population exposure and community resilience.