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

Jackson County Disaster Risk

Jackson County, Mississippi

FEMA Risk Rating

Relatively Moderate

National Percentile

92th

of 3,144 counties

State Rank

#3

of 82 (1 = highest risk)

Flood Risk

87th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 87% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 94% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 90% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 58% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 98% of US counties

Risk Overview

About Natural Disaster Risk in Jackson County, Mississippi

Jackson County faces elevated national disaster risk

Jackson County's composite risk score of 92.33 ranks as relatively moderate nationally—81% above Mississippi's state average of 50.94. Hurricane exposure (97.79) and wildfire risk (94.15) drive this elevated profile, making the coastal county uniquely vulnerable.

Mississippi's riskiest county overall

Jackson County ranks as the highest-risk county in Mississippi for natural disasters, narrowly ahead of Hinds County. Residents face significantly greater hazard exposure than virtually any other Mississippian, requiring comprehensive disaster preparedness.

Far riskier than inland neighbors

Jackson County's score of 92.33 vastly exceeds nearby inland counties like Harrison and Pearl River, reflecting its critical coastal location. The county's exposure to Atlantic hurricanes and proximity to Gulf weather systems create hazards absent in neighboring inland communities.

Hurricanes and wildfires dominate threats

Hurricane risk of 97.79 stands as Jackson County's most severe hazard—among the highest in the nation—while wildfire risk of 94.15 creates a secondary major threat. Flood (86.83) and tornado (89.98) risks round out four serious hazards requiring distinct preparedness strategies.

Comprehensive coverage is essential here

Jackson County homeowners must maintain both flood insurance and windstorm coverage—critical protections standard policies frequently exclude. Review your policy annually and ensure coverage limits reflect actual rebuilding costs, not outdated valuations, given the county's exceptional hurricane exposure.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Jackson County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    98th percentile
  2. #2
    WildfirePrepare
    94th percentile
  3. #3
    TornadoPrepare
    90th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Jackson County

Risk Verdict

FEMA's National Risk Index rates Jackson County at the 92th percentile nationally — above average and worth proactive preparation. Residents should prioritize a formal household emergency plan, including evacuation routes, insurance review, and a well-stocked emergency kit.

Hazard Breakdown

Hurricane risk is Jackson County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 94th percentile nationally. Additional tracked hazards include tornado (90th percentile), flood (87th percentile), earthquake (58th percentile).

Preparedness Context

Hurricane exposure at the 98th percentile nationally makes Jackson County a county where pre-season preparedness — not storm-day preparation — determines outcomes. Jackson County evacuation decisions under a watch or warning benefit from prior planning, not routes improvised under time pressure. Wildfire, the county's second-ranked hazard at the 94th percentile nationally, represents an additional preparedness consideration for Jackson County independent of hurricane season. Jackson County residents benefit from registering with the county's special-needs evacuation registry if household members have mobility limitations, require electricity-dependent medical equipment, or cannot self-evacuate — registration in advance of storm season is required.

Regional Context

Jackson County is 41.4 composite risk points above the Mississippi average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Jackson County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Jackson County, MS?
Jackson County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 92th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Jackson County?
Jackson County is evaluated for five major natural hazard types: hurricane (98th percentile), wildfire (94th percentile), tornado (90th percentile), flooding (87th percentile), earthquake (58th percentile). The highest-risk hazard is hurricane at the 98th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Jackson County risk compare to the Mississippi average?
Jackson County's composite risk percentile is 92th, compared to the Mississippi state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Jackson County faces higher natural disaster risk than the typical county in Mississippi.
Is Jackson County at risk for hurricane?
Yes, Jackson County's hurricane risk is at the 98th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Jackson County is at the 87th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Jackson County higher risk than average?
Jackson County's composite risk score of 92th percentile is above the Mississippi state average of 51th percentile. This elevated risk is driven by hurricane exposure (98th percentile), along with wildfire and tornado and flooding and earthquake risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.