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

#CountyHurricane ScoreRatingAnn. Freq.Ann. Loss
1 Jefferson Parish
99.8
Very High 0.28 / yr $251M
2 Orleans Parish
99.7
Very High 0.25 / yr $223M
3 St. Tammany Parish
98.9
Very High 0.23 / yr $143M
4 Lafayette Parish
98.4
Very High 0.17 / yr $98M
5 Terrebonne Parish
98.4
Very High 0.28 / yr $89M
6 East Baton Rouge Parish
98.2
Very High 0.20 / yr $67M
7 Calcasieu Parish
98.2
Very High 0.14 / yr $71M
8 Ascension Parish
98.0
High 0.24 / yr $74M
9 Tangipahoa Parish
97.9
High 0.21 / yr $54M
10 Lafourche Parish
97.7
High 0.29 / yr $54M
11 Livingston Parish
97.6
High 0.24 / yr $62M
12 Iberia Parish
97.3
High 0.21 / yr $33M
13 St. Mary Parish
97.3
High 0.23 / yr $39M
14 Acadia Parish
96.7
High 0.15 / yr $22M
15 St. Martin Parish
96.1
High 0.20 / yr $21M
16 St. Charles Parish
96.0
High 0.28 / yr $29M
17 Washington Parish
95.9
High 0.18 / yr $17M
18 St. John the Baptist Parish
95.7
High 0.28 / yr $28M
19 St. Bernard Parish
95.5
High 0.24 / yr $25M
20 Vermilion Parish
95.4
High 0.17 / yr $19M
21 Plaquemines Parish
94.9
High 0.27 / yr $19M
22 Iberville Parish
94.4
High 0.20 / yr $15M
23 St. James Parish
94.1
High 0.28 / yr $13M
24 Assumption Parish
93.5
High 0.24 / yr $11M
25 Jefferson Davis Parish
92.3
Medium 0.14 / yr $10M
26 St. Landry Parish
92.2
Medium 0.16 / yr $8M
27 Rapides Parish
90.6
Medium 0.10 / yr $6M
28 Avoyelles Parish
90.0
Medium 0.13 / yr $5M
29 Evangeline Parish
89.6
Medium 0.13 / yr $5M
30 Vernon Parish
87.0
Medium 0.10 / yr $4M
31 Pointe Coupee Parish
86.5
Medium 0.18 / yr $3M
32 Allen Parish
85.0
Medium 0.12 / yr $3M
33 East Feliciana Parish
84.6
Medium 0.18 / yr $2M
34 Caddo Parish
82.8
Medium 0.05 / yr $2M
35 Beauregard Parish
82.5
Medium 0.12 / yr $2M
36 Cameron Parish
82.1
Medium 0.16 / yr $3M
37 West Baton Rouge Parish
82.0
Medium 0.20 / yr $3M
38 Sabine Parish
80.3
Low 0.08 / yr $1M
39 St. Helena Parish
79.6
Low 0.19 / yr $1M
40 Ouachita Parish
79.5
Low 0.05 / yr $1M
41 West Feliciana Parish
78.2
Low 0.17 / yr $1M
42 Concordia Parish
77.4
Low 0.12 / yr $907K
43 Natchitoches Parish
75.0
Low 0.06 / yr $706K
44 Bossier Parish
74.8
Low 0.06 / yr $935K
45 Catahoula Parish
74.0
Low 0.08 / yr $525K
46 Franklin Parish
73.6
Low 0.06 / yr $552K
47 Webster Parish
70.9
Low 0.06 / yr $406K
48 Tensas Parish
70.3
Low 0.07 / yr $371K
49 Madison Parish
69.6
Low 0.06 / yr $337K
50 Claiborne Parish
69.5
Low 0.06 / yr $316K
51 Morehouse Parish
68.2
Low 0.05 / yr $310K
52 Bienville Parish
67.9
Low 0.06 / yr $294K
53 De Soto Parish
67.4
Low 0.07 / yr $318K
54 Lincoln Parish
67.0
Low 0.04 / yr $308K
55 East Carroll Parish
66.8
Low 0.06 / yr $259K
56 Richland Parish
66.2
Low 0.06 / yr $265K
57 Winn Parish
66.1
Low 0.06 / yr $247K
58 Jackson Parish
65.4
Low 0.04 / yr $236K
59 Grant Parish
65.2
Low 0.08 / yr $309K
60 LaSalle Parish
65.0
Low 0.07 / yr $334K
61 Union Parish
64.3
Low 0.04 / yr $216K
62 Red River Parish
64.0
Low 0.07 / yr $196K
63 West Carroll Parish
62.8
Low 0.06 / yr $194K
64 Caldwell Parish
62.2
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.

Other Hazards in Louisiana