Tishomingo County, Mississippi Natural Disaster Risk
FEMA National Risk Index assessment · MS
Very LowComposite Risk Score
National percentile: 37th
Tishomingo County faces very low composite natural disaster risk (NRI Risk Index score 37.1, 37th national percentile), driven primarily by earthquake and landslide exposure. Expected annual loss across all 18 hazard types is $9M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Risk Overview
FEMA's National Risk Index rates Tishomingo County at very low composite risk, with a National Risk Index score of 37.1 out of 100 — placing it in the 37th national percentile and among the lowest-risk counties in the country. The score blends Expected Annual Loss, Social Vulnerability, and Community Resilience across all 18 FEMA hazard types.
Most of Tishomingo County's expected losses come from earthquake (ground shaking from sudden movement along geologic faults) at Low risk — $1M in expected annual loss and about 0.00 events per year; landslide (downhill movement of rock, soil, and debris on unstable slopes) at Low risk — $8K in expected annual loss and about 0.97 events per year; and cold wave (prolonged spells of dangerously low temperatures) at Medium risk — $2M in expected annual loss and about 1.21 events per year. Across all hazards, FEMA estimates $9M in expected annual loss for a population of 19K.
Beyond physical exposure, Tishomingo County has a high social vulnerability rating (how susceptible the population is to harm) and a low community resilience rating (its capacity to prepare for and recover from disasters). That combination — a more vulnerable population with limited resilience — can amplify the human cost of any given event.
The county's disaster history tells the same story: Tishomingo County has received 19 federal disaster declarations since 1973, including 8 for severe storm events and 4 for hurricane events. The most recent was Severe Winter Storm (winter storm), declared in February 2026.
Among 82 Mississippi counties, Tishomingo County ranks #58 for overall natural disaster risk.
Top Hazards
All 18 Hazard Risks
| Earthquake | Low | 0.00 / yr | $1M |
| Landslide | Low | 0.97 / yr | $8K |
| Cold Wave | Medium | 1.21 / yr | $2M |
| Heat Wave | Low | 14.26 / yr | $587K |
| Tornado | Low | 0.37 / yr | $2M |
| Hurricane | Very Low | 0.04 / yr | $109K |
| Lightning | Low | 62.06 / yr | $206K |
| Drought | Low | 15.66 / yr | $40K |
| Wildfire | Very Low | 0.00 / yr | $16K |
| Strong Wind | Low | 3.42 / yr | $256K |
| Ice Storm | Low | 0.92 / yr | $29K |
| Riverine Flood | Very Low | 0.57 / yr | $3M |
| Hail | Very Low | 3.71 / yr | $66K |
| Winter Weather | Very Low | 4.79 / yr | $8K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Disaster History
Tishomingo County has received 19 federal disaster declarations since 1973, most recently Severe Winter Storm in February 2026. Most frequent causes: Severe Storm (8), Hurricane (4), Winter Storm (2).
| Declared | Type | Disaster |
|---|---|---|
| February 2026 | Winter Storm | Severe Winter Storm |
| January 2026 | Winter Storm | Severe Winter Storm |
| October 2021 | Hurricane | Hurricane Ida |
| August 2021 | Hurricane | Hurricane Ida |
| April 2020 | Biological | Covid-19 Pandemic |
| March 2020 | Biological | Covid-19 |
| March 2020 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds, and Flooding |
| April 2019 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding |
| April 2011 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds, and Associated Flooding |
| May 2010 | Severe Storm | Severe Storms, Tornadoes, and Flooding |
Showing the 10 most recent of 19 declarations.
Source: FEMA Disaster Declarations Summaries (OpenFEMA).
Frequently Asked Questions
What is the overall natural disaster risk for Tishomingo County?
Tishomingo County has a composite FEMA National Risk Index score of 37.1 out of 100, placing it in the Very Low category and the 37th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Tishomingo County?
The three highest-rated hazards are Earthquake (Low, $1M EAL), Landslide (Low, $8K EAL), Cold Wave (Medium, $2M EAL). These account for most of the county's expected annual losses.
How does Tishomingo County compare to other Mississippi counties?
Tishomingo County ranks #58 of 82 Mississippi counties for overall natural disaster risk, with a very low rating.
How many federally declared disasters has Tishomingo County had?
FEMA records 19 federal disaster declarations for Tishomingo County since 1973, most often 8 for severe storm events and 4 for hurricane events. The most recent was Severe Winter Storm, declared in February 2026.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Tishomingo County's $9M EAL is a statistical average, not a guarantee for any specific year or address.