Which county in Louisiana has the highest natural disaster risk?

Jefferson Parish has the highest natural disaster risk score in Louisiana at 98.7 (Relatively High), based on FEMA National Risk Index data.

Which county in Louisiana is the safest from natural disasters?

Caldwell Parish has the lowest natural disaster risk score in Louisiana at 10.5 (Very Low), based on FEMA NRI data.

What natural disasters are most common in Louisiana?

Louisiana counties face varying levels of risk from floods, wildfires, tornadoes, earthquakes, and hurricanes. The FEMA National Risk Index scores each county across 18 hazard types. See individual county pages for detailed hazard breakdowns.

How is natural disaster risk measured by county?

The FEMA National Risk Index (NRI) measures natural disaster risk using expected annual loss, social vulnerability, and community resilience. Scores are normalized nationally, with ratings from Very Low to Very High across 18 natural hazard types.

Louisiana Disaster Risk

Natural disaster risk data for all 64 counties.

Avg Risk Score

62.4

Risk Rating

Relatively High

Counties with Data

of 64 total

Highest Risk Counties

Jefferson Parish

98.7

Relatively High

Orleans Parish

98.3

Relatively High

East Baton Rouge Parish

98.0

Relatively High

St. Tammany Parish

96.6

Relatively High

Calcasieu Parish

95.7

Relatively High

Lowest Risk Counties

Caldwell Parish

10.5

Very Low

LaSalle Parish

12.2

Very Low

Tensas Parish

14.5

Very Low

West Carroll Parish

15.4

Very Low

Red River Parish

16.7

Very Low

All Louisiana Counties

County	Risk Score	Rating	Flood	Wildfire	Tornado	Earthquake
Jefferson Parish	98.7	Relatively High	96.0	27.3	72.2	78.0
Orleans Parish	98.3	Relatively High	93.5	48.1	71.6	80.4
East Baton Rouge Parish	98.0	Relatively High	97.3	32.3	99.6	84.4
St. Tammany Parish	96.6	Relatively High	94.2	89.6	86.6	67.3
Calcasieu Parish	95.7	Relatively High	94.5	90.6	95.6	65.5
Lafayette Parish	95.2	Relatively High	93.0	53.0	65.3	68.4
Livingston Parish	94.5	Relatively High	94.9	56.8	95.7	57.5
Terrebonne Parish	94.2	Relatively Moderate	94.0	23.3	92.9	54.8
Tangipahoa Parish	93.3	Relatively Moderate	91.2	78.3	90.2	65.3
Caddo Parish	92.6	Relatively Moderate	92.0	62.8	89.8	84.7
Ascension Parish	92.1	Relatively Moderate	79.2	26.6	95.3	58.4
Lafourche Parish	91.3	Relatively Moderate	81.8	18.9	94.5	55.4
Iberia Parish	90.6	Relatively Moderate	81.4	29.0	91.6	46.5
St. Mary Parish	88.9	Relatively Moderate	93.0	15.0	86.4	43.7
Acadia Parish	88.6	Relatively Moderate	86.4	61.6	71.5	48.3
St. Landry Parish	88.2	Relatively Moderate	87.4	65.3	94.1	58.9
Ouachita Parish	87.5	Relatively Moderate	87.1	56.2	96.0	89.3
St. Martin Parish	87.3	Relatively Moderate	87.0	25.0	89.5	43.8
Washington Parish	85.5	Relatively Moderate	79.0	80.0	71.6	54.7
St. Charles Parish	85.1	Relatively Moderate	95.4	18.5	77.2	35.0
Vermilion Parish	84.8	Relatively Moderate	79.5	44.1	29.9	34.1
Rapides Parish	84.3	Relatively Moderate	82.2	78.0	68.7	73.7
Bossier Parish	82.5	Relatively Moderate	74.0	38.6	85.8	72.0
St. John the Baptist Parish	81.5	Relatively Moderate	75.4	11.9	79.7	37.3
Evangeline Parish	75.9	Relatively Low	62.3	68.7	87.8	40.3
St. Bernard Parish	75.6	Relatively Low	74.4	38.7	50.9	33.4
Jefferson Davis Parish	74.3	Relatively Low	66.7	67.8	75.7	31.3
Iberville Parish	73.7	Relatively Low	65.6	6.0	77.4	34.7
Avoyelles Parish	73.0	Relatively Low	44.5	49.3	84.3	52.1
Plaquemines Parish	72.9	Relatively Low	83.0	20.5	40.2	29.5
St. James Parish	71.0	Relatively Low	83.4	4.8	67.6	30.2
Assumption Parish	70.3	Relatively Low	78.0	4.0	67.4	30.0
Webster Parish	69.5	Relatively Low	65.0	41.9	78.2	69.6
Vernon Parish	68.9	Relatively Low	66.6	79.8	86.0	40.5
Lincoln Parish	64.3	Relatively Low	54.3	29.7	86.9	68.2
Pointe Coupee Parish	63.1	Relatively Low	26.3	11.8	78.8	39.3
Sabine Parish	61.0	Relatively Low	66.5	67.4	72.0	37.1
East Feliciana Parish	56.4	Relatively Low	54.6	58.6	77.5	38.3
Natchitoches Parish	56.4	Relatively Low	61.3	51.4	64.2	57.1
Beauregard Parish	55.6	Relatively Low	59.9	86.3	48.1	34.1
Morehouse Parish	55.3	Relatively Low	59.4	48.3	68.4	74.5
Allen Parish	50.7	Relatively Low	45.1	76.7	65.1	29.7
Union Parish	49.7	Relatively Low	57.8	44.9	64.6	52.7
De Soto Parish	42.0	Very Low	46.2	55.5	50.0	42.3
Claiborne Parish	41.7	Very Low	35.2	28.6	63.0	48.8
Richland Parish	36.7	Very Low	30.8	24.6	71.8	61.6
St. Helena Parish	36.3	Very Low	35.0	53.3	69.2	28.4
Franklin Parish	35.9	Very Low	30.6	21.2	64.9	54.1
West Feliciana Parish	34.7	Very Low	31.5	37.6	64.9	25.0
Cameron Parish	33.7	Very Low	84.6	86.5	26.7	10.4
Madison Parish	32.4	Very Low	18.0	4.9	71.9	49.8
West Baton Rouge Parish	31.8	Very Low	16.0	2.9	65.6	31.1
Concordia Parish	31.6	Very Low	22.8	11.1	49.1	49.7
Grant Parish	29.6	Very Low	40.1	39.3	60.8	36.6
Winn Parish	29.5	Very Low	40.9	33.1	58.8	41.1
Bienville Parish	28.7	Very Low	25.1	21.4	54.2	42.3
Jackson Parish	26.2	Very Low	27.6	30.5	62.6	48.2
East Carroll Parish	21.6	Very Low	8.7	6.9	62.7	58.5
Catahoula Parish	17.0	Very Low	14.5	17.7	30.4	39.9
Red River Parish	16.7	Very Low	17.9	17.1	45.1	34.4
West Carroll Parish	15.4	Very Low	9.0	23.7	42.1	55.9
Tensas Parish	14.5	Very Low	8.0	6.3	46.0	37.0
LaSalle Parish	12.2	Very Low	23.4	20.0	30.8	35.9
Caldwell Parish	10.5	Very Low	17.6	26.0	39.9	28.3

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