State + disaster type

Flood history in Louisiana

Louisiana has 359 county-level flood declarations across 63 counties. Ascension Parish leads with 14 declarations. Total tracked FEMA obligations for flood events in this state: $1.8B.

This page shows every Louisiana county in Louisiana that has at least one FEMA flood declaration on record, ranked by how many times that hazard type triggered federal aid. Counties near the top of this list have recurring exposure to flood events — useful context for anyone evaluating property risk, insurance needs, or emergency planning in the area.

For the full national view of flood declarations across all states, see the flood disaster type page. For all hazard types in Louisiana, see the Louisiana state page.

Flood in Louisiana

Counties ranked by flood declaration count

#	County	Declarations	Tracked aid
1	Ascension Parish	14	$147.8M
2	St. Martin Parish	12	$7.0M
3	Catahoula Parish	11	$1.2M
4	Iberville Parish	11	$5.0M
5	Pointe Coupee Parish	11	$2.1M
6	East Baton Rouge Parish	10	$857.5M
7	Rapides Parish	10	$1.2M
8	Assumption Parish	9	$841K
9	LaSalle Parish	9	$88K
10	St. Landry Parish	9	$10.2M
11	Concordia Parish	8	$3.6M
12	Franklin Parish	8	$532K
13	Terrebonne Parish	8	$3.3M
14	West Feliciana Parish	8	$12.0M
15	Avoyelles Parish	7	$804K
16	Calcasieu Parish	7	$15.3M
17	Caldwell Parish	7	$1.8M
18	Lafayette Parish	7	$49.4M
19	Lafourche Parish	7	$57K
20	Livingston Parish	7	$377.9M
21	Ouachita Parish	7	$38.8M
22	St. Mary Parish	7	$20.1M
23	St. Tammany Parish	7	$25.8M
24	Grant Parish	6	$1.9M
25	Natchitoches Parish	6	$12.1M
26	Richland Parish	6	$2.7M
27	St. Charles Parish	6	$456K
28	Tangipahoa Parish	6	$53.3M
29	Vermilion Parish	6	$12.3M
30	Allen Parish	5	$602K
31	Beauregard Parish	5	$2.0M
32	East Carroll Parish	5	$1.2M
33	Jefferson Parish	5	$0
34	Madison Parish	5	$620K
35	St. James Parish	5	$1.5M
36	Washington Parish	5	$8.4M
37	Bienville Parish	4	$1.2M
38	Bossier Parish	4	$30.5M
39	Caddo Parish	4	$4.0M
40	East Feliciana Parish	4	$12.5M
41	Iberia Parish	4	$7.3M
42	Morehouse Parish	4	$4.8M
43	St. Bernard Parish	4	$0
44	St. John the Baptist Parish	4	$181K
45	Vernon Parish	4	$5.4M
46	Webster Parish	4	$8.1M
47	West Baton Rouge Parish	4	$1.3M
48	Winn Parish	4	$2.5M
49	Acadia Parish	3	$8.9M
50	Claiborne Parish	3	$1.2M
51	Jefferson Davis Parish	3	$2.2M
52	Lincoln Parish	3	$856K
53	Red River Parish	3	$639K
54	Sabine Parish	3	$5.4M
55	Tensas Parish	3	$14K
56	Union Parish	3	$5.2M
57	West Carroll Parish	3	$1.5M
58	Cameron Parish	2	$426K
59	De Soto Parish	2	$1.7M
60	Evangeline Parish	2	$2.8M
61	Jackson Parish	2	$1.2M
62	Plaquemines Parish	2	$98K
63	St. Helena Parish	2	$5.6M