FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Mississippi Disaster Risk

Natural disaster risk data for all 82 counties.

Avg FEMA Rating

Relatively Low

Avg Percentile

51th

Counties with Data

of 82 total

County risk atlas

Mississippi hazard exposure by county

A compact 2.5D surface of FEMA National Risk Index percentiles. Toggle composite, flood, wildfire, hurricane, tornado, and earthquake risk to see which counties carry the highest relative exposure without loading the full national explorer dataset.

Counties

82/82

Avg composite

51th

Risk layers

Highest Risk Counties

Harrison County

Relatively High

96th percentile

Hinds County

Relatively Moderate

94th percentile

Jackson County

Relatively Moderate

92th percentile

DeSoto County

Relatively Moderate

89th percentile

Lauderdale County

Relatively Moderate

87th percentile

Lowest Risk Counties

Issaquena County

Very Low

8th percentile

Montgomery County

Very Low

11th percentile

Jefferson County

Very Low

11th percentile

Choctaw County

Very Low

12th percentile

Webster County

Very Low

13th percentile

All Mississippi Counties

County	Percentile	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
Harrison County	96th	Relatively High	91.6	94.5	96.0	70.5
Hinds County	94th	Relatively Moderate	95.1	54.6	98.2	90.9
Jackson County	92th	Relatively Moderate	86.8	94.1	90.0	57.9
DeSoto County	89th	Relatively Moderate	80.1	67.9	96.8	96.2
Lauderdale County	87th	Relatively Moderate	80.1	57.7	94.4	81.7
Warren County	86th	Relatively Moderate	72.8	39.4	91.7	74.3
Pearl River County	86th	Relatively Moderate	73.2	90.1	82.8	46.4
Rankin County	85th	Relatively Moderate	79.6	55.2	94.7	81.4
Washington County	83th	Relatively Moderate	81.2	26.1	93.0	90.8
Hancock County	83th	Relatively Moderate	86.2	90.4	76.6	44.7
Madison County	82th	Relatively Moderate	76.8	53.9	95.8	74.5
Lee County	81th	Relatively Moderate	72.0	36.6	86.8	93.4
Lowndes County	81th	Relatively Low	78.1	36.9	91.0	88.6
Jones County	80th	Relatively Low	71.5	73.9	93.2	77.7
Forrest County	78th	Relatively Low	69.6	81.7	92.7	68.5
Bolivar County	77th	Relatively Low	76.9	17.9	82.9	92.2
Leflore County	74th	Relatively Low	70.0	22.5	88.7	88.0
Marshall County	71th	Relatively Low	59.3	79.2	89.0	93.0
Yazoo County	71th	Relatively Low	48.5	44.5	89.2	62.8
Pike County	70th	Relatively Low	64.8	71.5	90.1	52.5
Sunflower County	70th	Relatively Low	55.0	19.3	81.1	85.0
Panola County	69th	Relatively Low	43.9	63.4	87.8	90.9
Monroe County	69th	Relatively Low	52.4	35.8	86.4	86.7
Alcorn County	65th	Relatively Low	51.6	44.3	87.5	89.8
Lamar County	65th	Relatively Low	62.1	81.6	73.8	54.3
Lafayette County	64th	Relatively Low	47.8	48.1	81.1	88.5
Oktibbeha County	63th	Relatively Low	53.2	37.7	83.3	85.1
Coahoma County	63th	Relatively Low	46.3	10.5	86.6	90.7
Copiah County	61th	Relatively Low	46.7	49.6	89.5	56.7
Marion County	60th	Relatively Low	48.1	75.8	73.4	49.9
Neshoba County	58th	Relatively Low	41.4	42.0	86.0	74.0
George County	58th	Relatively Low	31.2	75.6	49.6	28.6
Adams County	57th	Relatively Low	59.0	41.1	82.1	47.2
Scott County	56th	Relatively Low	42.0	43.0	78.4	67.5
Leake County	56th	Relatively Low	45.3	51.9	77.9	63.2
Wayne County	56th	Relatively Low	43.0	56.9	71.2	53.9
Grenada County	55th	Relatively Low	58.7	49.1	74.8	82.5
Newton County	52th	Relatively Low	36.6	38.7	83.5	57.6
Stone County	52th	Relatively Low	26.7	84.3	54.7	34.6
Prentiss County	52th	Relatively Low	40.6	44.6	72.9	87.6
Simpson County	51th	Relatively Low	51.6	48.1	76.7	44.0
Covington County	51th	Relatively Low	42.2	55.6	62.5	45.0
Pontotoc County	50th	Relatively Low	35.8	45.4	77.2	85.3
Holmes County	50th	Relatively Low	32.3	57.5	82.5	69.7
Itawamba County	50th	Relatively Low	28.2	28.3	66.4	77.0
Lincoln County	48th	Relatively Low	42.5	62.2	78.5	58.6
Amite County	48th	Relatively Low	46.3	61.2	67.1	34.0
Smith County	47th	Relatively Low	40.8	47.3	71.2	49.0
Chickasaw County	44th	Relatively Low	26.5	30.9	72.6	81.5
Tippah County	44th	Relatively Low	26.0	51.0	78.6	86.6
Union County	44th	Relatively Low	38.1	47.3	47.4	85.1
Clay County	43th	Very Low	33.8	26.3	75.1	79.5
Greene County	42th	Very Low	38.3	73.3	56.9	31.0
Tate County	41th	Very Low	26.5	58.9	74.9	86.9
Tallahatchie County	40th	Very Low	30.3	42.0	65.8	80.3
Winston County	40th	Very Low	22.2	35.5	79.2	68.5
Jasper County	39th	Very Low	26.9	46.5	72.3	52.2
Tishomingo County	37th	Very Low	30.8	37.2	64.4	81.3
Tunica County	36th	Very Low	23.9	7.5	59.5	89.0
Clarke County	36th	Very Low	36.7	31.2	66.0	48.4
Attala County	34th	Very Low	27.9	47.5	73.0	70.0
Wilkinson County	33th	Very Low	33.8	37.5	49.0	28.3
Noxubee County	29th	Very Low	23.0	19.3	62.9	68.2
Humphreys County	28th	Very Low	22.5	12.4	50.8	63.9
Calhoun County	28th	Very Low	25.3	26.4	49.4	76.8
Walthall County	26th	Very Low	26.3	66.7	36.1	34.4
Lawrence County	25th	Very Low	28.3	54.1	56.3	41.3
Claiborne County	25th	Very Low	25.8	29.2	66.6	39.0
Carroll County	23th	Very Low	20.4	47.1	47.3	61.7
Jefferson Davis County	23th	Very Low	23.8	56.7	53.9	38.2
Yalobusha County	20th	Very Low	19.1	39.2	49.2	71.7
Perry County	19th	Very Low	23.6	70.6	44.3	33.2
Quitman County	19th	Very Low	15.8	28.1	56.9	75.8
Franklin County	17th	Very Low	23.2	40.7	57.4	27.4
Sharkey County	16th	Very Low	12.2	2.0	45.3	45.0
Benton County	15th	Very Low	14.2	50.4	54.9	78.4
Kemper County	15th	Very Low	9.4	25.6	56.4	49.2
Webster County	13th	Very Low	13.4	23.7	48.4	63.4
Choctaw County	12th	Very Low	10.0	23.0	48.6	50.1
Jefferson County	11th	Very Low	16.9	27.6	36.0	29.0
Montgomery County	11th	Very Low	14.6	27.8	44.8	57.4
Issaquena County	8th	Very Low	10.2	4.7	29.4	37.2

Frequently Asked Questions

Which county in Mississippi has the highest natural disaster risk?

Harrison County has the highest natural disaster risk in Mississippi, rated Relatively High (96th percentile nationally), based on FEMA National Risk Index data.

Which county in Mississippi is the safest from natural disasters?

Issaquena County has the lowest natural disaster risk in Mississippi, rated Very Low (8th percentile nationally), based on FEMA NRI data.

What natural disasters are most common in Mississippi?

Mississippi 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.

Prepare your household for natural disasters

FEMA's Ready.gov provides county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.

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