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

DeKalb County Disaster Risk

DeKalb County, Indiana

FEMA Risk Rating

Very Low

National Percentile

41th

of 3,144 counties

State Rank

#49

of 92 (1 = highest risk)

Flood Risk

52th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 52% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 12% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 68% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 57% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 22% of US counties

Risk Overview

About Natural Disaster Risk in DeKalb County, Indiana

DeKalb's Risk: Well Below National Average

DeKalb County scores 41.32 on the composite risk index, placing it in the Very Low category and significantly below Indiana's average of 45.52. This means residents face substantially fewer natural disaster threats than most Americans, though tornado risk remains a notable regional concern.

Among Indiana's Safest Counties

DeKalb ranks among the lowest-risk counties in Indiana, with only a handful of counties scoring lower on composite risk. Its Very Low rating reflects relatively modest hazard exposure across most disaster types.

Safer Than Eastern Indiana Peers

DeKalb's score of 41.32 sits well below neighboring Delaware County (76.34) and nearby Fayette County (33.49), making it one of the safer communities in northeastern Indiana. Only Fountain County in the region rivals DeKalb's low-risk profile.

Tornadoes Are Your Top Threat

Tornado risk stands at 67.62 in DeKalb County, the dominant hazard concern for the region. Flood risk at 51.78 and earthquake risk at 56.81 pose secondary but real threats that warrant preparation.

Storm Cellar or Safe Room Essential

DeKalb residents should prioritize wind and hail coverage in homeowners insurance and identify or build a tornado shelter. Flood insurance and earthquake coverage are worth evaluating, especially for properties in low-lying areas.

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

Preparedness Guide

What to Prepare for in DeKalb County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    68th percentile
  2. #2
    EarthquakePrepare
    57th percentile
  3. #3
    FloodPrepare
    52th percentile

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

Risk Advisory: DeKalb County

Risk Verdict

DeKalb County sits in the lower tier of U.S. counties for natural disaster exposure, ranked at the 41th percentile nationally. Even at the 41th percentile, DeKalb County's composite score reflects real hazard exposure categories — knowing which ones apply locally enables targeted, efficient household preparedness.

Hazard Breakdown

Tornado risk is DeKalb County's dominant natural hazard, ranked at the 68th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 57th percentile nationally. Additional tracked hazards include flood (52th percentile), hurricane (22th percentile), wildfire (12th percentile).

Preparedness Context

At the 68th percentile nationally for tornado risk, DeKalb County households benefit most from a reliable alert system — a NOAA weather radio that activates during overnight hours when residents may not be checking smartphone alerts. The secondary earthquake hazard at the 57th percentile nationally adds seasonal complexity to DeKalb County's preparedness calendar, since earthquake and tornado risk often peak at different points in the year. For DeKalb County households, a pre-decided family shelter plan — who goes where, how children are retrieved from school during a warning, and a neighborhood meet-up point if phones fail — provides real protection that no supply kit alone can replicate.

Regional Context

DeKalb County tracks the Indiana county average closely, sitting 4.2 composite points below the state mean — neither a standout high-risk nor low-risk county within Indiana.

Is your household prepared for DeKalb 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 DeKalb County, IN?
DeKalb County has a FEMA National Risk Index rating of Very Low, placing it in the 41th 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 DeKalb County?
DeKalb County is evaluated for five major natural hazard types: tornado (68th percentile), earthquake (57th percentile), flooding (52th percentile), hurricane (22th percentile), wildfire (12th percentile). The highest-risk hazard is tornado at the 68th 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 DeKalb County risk compare to the Indiana average?
DeKalb County's composite risk percentile is 41th, compared to the Indiana state average of 46th percentile. The state's overall risk rating is Relatively Low. This means DeKalb County faces lower natural disaster risk than the typical county in Indiana.
Is DeKalb County at risk for tornado?
Yes, DeKalb County's tornado risk is at the 68th percentile nationally. This is above the national median. For flooding specifically, DeKalb County is at the 52th 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 DeKalb County a safe place to live?
DeKalb County's composite risk score of 41th 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 tornado at the 68th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.