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Louisiana natural disaster risk

Ratings for all 64 parishes, the federal disaster record and flood insurance across the state.

76major disasters since 1953 (8th most)

$3.3Bexpected losses a year

22%of homes with flood insurance

Photo: stoicshot, CC BY 2.0

Louisiana has had 76 major federal disaster declarations for natural events since 1953. FEMA expects about $3.3 billion a year in losses from natural hazards across the state. Inland flooding is the costliest hazard in 33 of its 64 parishes, followed by hurricane in 25. None is rated Very High overall. About 22% of homes carry federal flood insurance, and the program has paid $20.9 billion on 481,242 claims here since 1978.

Very High0parishes

High7parishes

Moderate17parishes

Low19parishes

Highest overall risk

1Jefferson ParishHigh

2Orleans ParishHigh

3East Baton Rouge ParishHigh

4St. Tammany ParishHigh

5Calcasieu ParishHigh

Lowest risk (50,000+ people)

1Bossier ParishModerate

2Rapides ParishModerate

3Vermilion ParishModerate

4St. Charles ParishModerate

5St. Martin ParishModerate

Top hazards

Inland floodingtop risk in 33 parishes

Hurricanetop risk in 25 parishes

Tornadotop risk in 2 parishes

Largest parishes

East Baton Rouge Parish

456,512 people

High Inland flooding

Jefferson Parish

440,590 people

High Hurricane

Orleans Parish

383,606 people

High Hurricane

St. Tammany Parish

263,870 people

High Hurricane

Lafayette Parish

241,618 people

High Hurricane

Caddo Parish

237,695 people

Moderate Inland flooding

Calcasieu Parish

216,652 people

High Hurricane

Ouachita Parish

160,298 people

Moderate Inland flooding

Livingston Parish

142,163 people

High Inland flooding

Tangipahoa Parish

132,858 people

Moderate Hurricane

Rapides Parish

129,664 people

Moderate Inland flooding

Bossier Parish

128,536 people

Moderate Inland flooding

Cities in Louisiana

All 17 cities ›

New Orleans371,853 Baton Rouge222,771 Shreveport180,982 Metairie139,729 Lafayette121,715 Lake Charles81,143 Kenner64,904 Bossier City62,901 Monroe47,004 Alexandria44,060 Prairieville35,238 Marrero32,540 Houma32,392 Central29,783 Slidell28,561

All 64 parishes

Name	People	Overall risk	Top hazard	Declarations	Homes insured
Acadia Parish	57,475	Moderate	Hurricane	39	9.2%
Allen Parish	22,708	Low	Inland flooding	37	3.3%
Ascension Parish	126,426	Moderate	Hurricane	55	28.9%
Assumption Parish	21,017	Low	Hurricane	47	11.8%
Avoyelles Parish	39,654	Low	Hurricane	39	4.6%
Beauregard Parish	36,508	Low	Inland flooding	40	1.9%
Bienville Parish	12,958	Very Low	Inland flooding	33	0.1%
Bossier Parish	128,536	Moderate	Inland flooding	33	9.3%
Caddo Parish	237,695	Moderate	Inland flooding	32	4.3%
Calcasieu Parish	216,652	High	Hurricane	39	16.9%
Caldwell Parish	9,627	Very Low	Inland flooding	36	8.2%
Cameron Parish	5,615	Very Low	Coastal flooding	37	30.1%
Catahoula Parish	8,891	Very Low	Inland flooding	43	13.3%
Claiborne Parish	14,160	Very Low	Inland flooding	32	1.3%
Concordia Parish	18,648	Very Low	Inland flooding	35	8.8%
De Soto Parish	26,713	Very Low	Inland flooding	30	0.7%
East Baton Rouge Parish	456,512	High	Inland flooding	44	24%
East Carroll Parish	7,455	Very Low	Tornado	30	5.8%
East Feliciana Parish	19,513	Low	Inland flooding	38	1.7%
Evangeline Parish	32,319	Low	Inland flooding	32	3.9%
Franklin Parish	19,763	Very Low	Inland flooding	40	3.1%
Grant Parish	22,122	Very Low	Inland flooding	34	1.9%
Iberia Parish	69,859	Moderate	Hurricane	41	11.6%
Iberville Parish	30,214	Low	Hurricane	45	10.2%
Jackson Parish	15,021	Very Low	Inland flooding	25	0.4%
Jefferson Davis Parish	32,235	Low	Hurricane	40	7.1%
Jefferson Parish	440,590	High	Hurricane	46	64.9%
Lafayette Parish	241,618	High	Hurricane	40	19%
Lafourche Parish	97,393	Moderate	Hurricane	51	23%
LaSalle Parish	14,762	Very Low	Inland flooding	36	1.4%
Lincoln Parish	48,370	Low	Inland flooding	32	0.6%
Livingston Parish	142,163	High	Inland flooding	49	26.6%
Madison Parish	10,010	Very Low	Tornado	31	6.9%
Morehouse Parish	25,583	Low	Inland flooding	32	1.4%
Natchitoches Parish	37,330	Low	Inland flooding	38	3.3%
Orleans Parish	383,606	High	Hurricane	35	51.8%
Ouachita Parish	160,298	Moderate	Inland flooding	41	7.5%
Plaquemines Parish	23,448	Low	Hurricane	42	51.1%
Pointe Coupee Parish	20,697	Low	Cold wave	44	11.2%
Rapides Parish	129,664	Moderate	Inland flooding	46	5.1%
Red River Parish	7,602	Very Low	Inland flooding	30	0.9%
Richland Parish	19,986	Very Low	Inland flooding	34	5.9%
Sabine Parish	22,039	Low	Inland flooding	30	0.8%
St. Bernard Parish	43,709	Low	Hurricane	44	56.8%
St. Charles Parish	52,479	Moderate	Hurricane	49	55.7%
St. Helena Parish	10,911	Very Low	Inland flooding	37	1.5%
St. James Parish	20,169	Low	Hurricane	41	11.3%
St. John the Baptist Parish	42,466	Moderate	Hurricane	43	34.2%
St. Landry Parish	82,428	Moderate	Inland flooding	43	6.3%
St. Martin Parish	51,686	Moderate	Hurricane	51	9.9%
St. Mary Parish	49,313	Moderate	Hurricane	45	12.4%
St. Tammany Parish	263,870	High	Hurricane	47	40.5%
Tangipahoa Parish	132,858	Moderate	Hurricane	45	15.1%
Tensas Parish	4,133	Very Low	Drought	27	8.1%
Terrebonne Parish	109,484	Moderate	Hurricane	50	32.1%
Union Parish	21,031	Low	Inland flooding	34	2.7%
Vermilion Parish	57,317	Moderate	Hurricane	43	25.3%
Vernon Parish	48,626	Low	Inland flooding	36	1.7%
Washington Parish	45,382	Moderate	Hurricane	39	2.5%
Webster Parish	36,954	Low	Inland flooding	34	0.6%
West Baton Rouge Parish	27,101	Very Low	Hurricane	35	12.2%
West Carroll Parish	9,736	Very Low	Drought	29	1.8%
West Feliciana Parish	15,300	Very Low	Inland flooding	41	2%
Winn Parish	13,718	Very Low	Inland flooding	30	0.7%

Linked names have a full page. Overall risk from the FEMA National Risk Index (December 2025); declarations are federal disaster and emergency declarations for natural events since 1953 (OpenFEMA); homes insured is the share with NFIP flood policies.