Chester County Disaster Risk
Chester County, Tennessee
FEMA Risk Rating
Relatively Low
National Percentile
44th
of 3,144 counties
State Rank
#62
of 95 (1 = highest risk)
Flood Risk
22th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Very Low
Higher than 22% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 15% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 72% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 90% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively Low
Higher than 48% of US counties
Risk Overview
About Natural Disaster Risk in Chester County, Tennessee
Chester County remains relatively low-risk
Chester County's composite risk score of 44.50 sits well below Tennessee's state average of 52.45, indicating below-average vulnerability to natural disasters. The county's relatively low rating reflects a manageable multi-hazard environment compared to much of the state.
Among Tennessee's lowest-risk counties
Chester County ranks in the lowest tier of Tennessee's 95 counties by disaster risk, with a score of 44.50 that reflects relatively modest natural hazard exposure. This favorable positioning offers residents and businesses a more stable environment for long-term planning.
Safest of its immediate peer group
Chester County's 44.50 score makes it the safest of its regional neighbors, including Carroll County (72.81) to the north and Cheatham County (46.28) to the west. This favorable comparison underscores Chester's position in a lower-risk pocket of West Tennessee.
Tornadoes and earthquakes exceed local norms
Tornado risk (71.76) and earthquake risk (90.11) represent Chester County's main vulnerabilities, both notably above the state average despite the county's overall low composite score. Flood and wildfire risks remain minimal at 21.79 and 14.54 respectively.
Earthquake coverage and storm shelter priority
Chester County residents should obtain standalone earthquake insurance to address the county's surprisingly high 90.11 seismic risk score. Adding a basement safe room or reinforced interior space for tornadoes (71.76 risk) provides cost-effective protection without extensive structural upgrades.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Chester County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Chester County
Risk Verdict
Chester County's FEMA risk score places it at the 44th percentile nationally, indicating lower-than-typical exposure for a U.S. county. Residents of Chester County can use the 44th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.
Hazard Breakdown
Earthquake risk is Chester County's dominant natural hazard, ranked at the 90th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 72th percentile nationally. Additional tracked hazards include hurricane (48th percentile), flood (22th percentile), wildfire (15th percentile).
Preparedness Context
With earthquake ranked as the top hazard at the 90th percentile nationally, Chester County residents benefit from reviewing homeowners insurance: standard policies rarely cover earthquake damage, and separate earthquake insurance must be purchased before an event. The county's tornado risk at the 72th percentile nationally is a seasonal consideration alongside the year-round earthquake threat, requiring awareness of both hazard types. Earthquake insurance in Chester County is typically offered as a separate policy — standard homeowners coverage excludes ground movement. Reviewing this gap and comparing policy options before an event is a financial preparedness step with potentially large consequences.
Regional Context
At 8.0 points below the Tennessee state average, Chester County is among the lower-risk counties in the state for natural disaster exposure.
Is your household prepared for Chester County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Chester County, TN?
What types of natural hazards affect Chester County?
How does Chester County risk compare to the Tennessee average?
Is Chester County at risk for earthquake?
How is natural disaster risk measured?
Is Chester County a safe place to live?
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.