riskbycounty
FEMA National Risk Index

Spencer County Disaster Risk

Spencer County, Indiana

FEMA Risk Rating

Very Low

National Percentile

39th

of 3,144 counties

State Rank

#54

of 92 (1 = highest risk)

Flood Risk

45th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 45% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 29% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 56% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 83% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 25% of US counties

Risk Advisory: Spencer County

Risk Verdict

Spencer County has a very low overall disaster risk profile, scoring in the 39th percentile nationally. This county is among the safer counties in the United States from a natural disaster perspective, though no area is entirely risk-free.

Hazard Breakdown

Earthquake risk is the dominant hazard for Spencer County, scoring in the 83th percentile nationally. It is followed by tornado risk at the 56th percentile. Additional hazards include flood (45th), wildfire (29th), hurricane (25th).

Preparedness Context

With earthquake risk as the top concern, Spencer County residents should secure heavy furniture and appliances, know how to shut off utilities, and keep emergency supplies accessible. Secondary risks such as tornado also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Spencer County is notably safer than the average county in Indiana. Its composite risk score is 6.1 points lower than the state average, indicating below-average exposure to natural hazards relative to other counties in the state.

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Frequently Asked Questions

What is the natural disaster risk in Spencer County, IN?
Spencer County has a FEMA National Risk Index rating of Very Low, placing it in the 39th 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 Spencer County?
Spencer County is evaluated for five major natural hazard types: earthquake (83th percentile), tornado (56th percentile), flooding (45th percentile), wildfire (29th percentile), hurricane (25th percentile). The highest-risk hazard is earthquake at the 83th 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 Spencer County risk compare to the Indiana average?
Spencer County's composite risk percentile is 39th, compared to the Indiana state average of 46th percentile. The state's overall risk rating is Relatively Low. This means Spencer County faces lower natural disaster risk than the typical county in Indiana.
Is Spencer County at risk for earthquake?
Yes, Spencer County's earthquake risk is at the 83th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Spencer County is at the 45th 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.
Is Spencer County a safe place to live?
Spencer County's composite risk score of 39th percentile is below the Indiana state average of 46th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is earthquake at the 83th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

White County

Indiana

-0.9

Very Low

39th percentile

Orange County

Indiana

+1.1

Very Low

40th percentile

Huntington County

Indiana

-1.2

Very Low

38th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & 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.

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