Louisiana Disaster Risk

Natural disaster risk data for all 64 counties.

Avg FEMA Rating

Relatively Low

Avg Percentile

62th

Counties with Data

of 64 total

Highest Risk Counties

Jefferson Parish

Relatively High

99th percentile

Orleans Parish

Relatively High

98th percentile

East Baton Rouge Parish

Relatively High

98th percentile

St. Tammany Parish

Relatively High

97th percentile

Calcasieu Parish

Relatively High

96th percentile

Lowest Risk Counties

Caldwell Parish

Very Low

10th percentile

LaSalle Parish

Very Low

12th percentile

Tensas Parish

Very Low

15th percentile

West Carroll Parish

Very Low

15th percentile

Red River Parish

Very Low

17th percentile

All Louisiana Counties

County	Percentile	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
Jefferson Parish	99th	Relatively High	96.0	27.3	72.2	78.0
Orleans Parish	98th	Relatively High	93.5	48.1	71.6	80.4
East Baton Rouge Parish	98th	Relatively High	97.3	32.3	99.6	84.4
St. Tammany Parish	97th	Relatively High	94.2	89.6	86.6	67.3
Calcasieu Parish	96th	Relatively High	94.5	90.6	95.6	65.5
Lafayette Parish	95th	Relatively High	93.0	53.0	65.3	68.4
Livingston Parish	94th	Relatively High	94.9	56.8	95.7	57.5
Terrebonne Parish	94th	Relatively Moderate	94.0	23.3	92.9	54.8
Tangipahoa Parish	93th	Relatively Moderate	91.2	78.3	90.2	65.3
Caddo Parish	93th	Relatively Moderate	92.0	62.8	89.8	84.7
Ascension Parish	92th	Relatively Moderate	79.2	26.6	95.3	58.4
Lafourche Parish	91th	Relatively Moderate	81.8	18.9	94.5	55.4
Iberia Parish	91th	Relatively Moderate	81.4	29.0	91.6	46.5
St. Mary Parish	89th	Relatively Moderate	93.0	15.0	86.4	43.7
Acadia Parish	89th	Relatively Moderate	86.4	61.6	71.5	48.3
St. Landry Parish	88th	Relatively Moderate	87.4	65.3	94.1	58.9
Ouachita Parish	88th	Relatively Moderate	87.1	56.2	96.0	89.3
St. Martin Parish	87th	Relatively Moderate	87.0	25.0	89.5	43.8
Washington Parish	86th	Relatively Moderate	79.0	80.0	71.6	54.7
St. Charles Parish	85th	Relatively Moderate	95.4	18.5	77.2	35.0
Vermilion Parish	85th	Relatively Moderate	79.5	44.1	29.9	34.1
Rapides Parish	84th	Relatively Moderate	82.2	78.0	68.7	73.7
Bossier Parish	83th	Relatively Moderate	74.0	38.6	85.8	72.0
St. John the Baptist Parish	82th	Relatively Moderate	75.4	11.9	79.7	37.3
Evangeline Parish	76th	Relatively Low	62.3	68.7	87.8	40.3
St. Bernard Parish	76th	Relatively Low	74.4	38.7	50.9	33.4
Jefferson Davis Parish	74th	Relatively Low	66.7	67.8	75.7	31.3
Iberville Parish	74th	Relatively Low	65.6	6.0	77.4	34.7
Avoyelles Parish	73th	Relatively Low	44.5	49.3	84.3	52.1
Plaquemines Parish	73th	Relatively Low	83.0	20.5	40.2	29.5
St. James Parish	71th	Relatively Low	83.4	4.8	67.6	30.2
Assumption Parish	70th	Relatively Low	78.0	4.0	67.4	30.0
Webster Parish	70th	Relatively Low	65.0	41.9	78.2	69.6
Vernon Parish	69th	Relatively Low	66.6	79.8	86.0	40.5
Lincoln Parish	64th	Relatively Low	54.3	29.7	86.9	68.2
Pointe Coupee Parish	63th	Relatively Low	26.3	11.8	78.8	39.3
Sabine Parish	61th	Relatively Low	66.5	67.4	72.0	37.1
East Feliciana Parish	56th	Relatively Low	54.6	58.6	77.5	38.3
Natchitoches Parish	56th	Relatively Low	61.3	51.4	64.2	57.1
Beauregard Parish	56th	Relatively Low	59.9	86.3	48.1	34.1
Morehouse Parish	55th	Relatively Low	59.4	48.3	68.4	74.5
Allen Parish	51th	Relatively Low	45.1	76.7	65.1	29.7
Union Parish	50th	Relatively Low	57.8	44.9	64.6	52.7
De Soto Parish	42th	Very Low	46.2	55.5	50.0	42.3
Claiborne Parish	42th	Very Low	35.2	28.6	63.0	48.8
Richland Parish	37th	Very Low	30.8	24.6	71.8	61.6
St. Helena Parish	36th	Very Low	35.0	53.3	69.2	28.4
Franklin Parish	36th	Very Low	30.6	21.2	64.9	54.1
West Feliciana Parish	35th	Very Low	31.5	37.6	64.9	25.0
Cameron Parish	34th	Very Low	84.6	86.5	26.7	10.4
Madison Parish	32th	Very Low	18.0	4.9	71.9	49.8
West Baton Rouge Parish	32th	Very Low	16.0	2.9	65.6	31.1
Concordia Parish	32th	Very Low	22.8	11.1	49.1	49.7
Grant Parish	30th	Very Low	40.1	39.3	60.8	36.6
Winn Parish	30th	Very Low	40.9	33.1	58.8	41.1
Bienville Parish	29th	Very Low	25.1	21.4	54.2	42.3
Jackson Parish	26th	Very Low	27.6	30.5	62.6	48.2
East Carroll Parish	22th	Very Low	8.7	6.9	62.7	58.5
Catahoula Parish	17th	Very Low	14.5	17.7	30.4	39.9
Red River Parish	17th	Very Low	17.9	17.1	45.1	34.4
West Carroll Parish	15th	Very Low	9.0	23.7	42.1	55.9
Tensas Parish	15th	Very Low	8.0	6.3	46.0	37.0
LaSalle Parish	12th	Very Low	23.4	20.0	30.8	35.9
Caldwell Parish	10th	Very Low	17.6	26.0	39.9	28.3

Frequently Asked Questions

Which county in Louisiana has the highest natural disaster risk?

Jefferson Parish has the highest natural disaster risk in Louisiana, rated Relatively High (99th percentile nationally), 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 in Louisiana, rated Very Low (10th percentile nationally), 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.

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