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

Vanderburgh County Disaster Risk

Vanderburgh County, Indiana

FEMA Risk Rating

Relatively Moderate

National Percentile

91th

of 3,144 counties

State Rank

#3

of 92 (1 = highest risk)

Flood Risk

90th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 90% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 31% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 96% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively High

Higher than 97% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 43% of US counties

Risk Overview

About Natural Disaster Risk in Vanderburgh County, Indiana

Vanderburgh faces elevated national disaster risk

Vanderburgh County's composite risk score of 91.32 is nearly double the national average, reflecting significant exposure to multiple hazards. This relatively moderate rating places it in the higher-risk tier for U.S. counties.

Among the highest-risk counties in Indiana

With a score of 91.32 against Indiana's state average of 45.52, Vanderburgh County faces nearly twice the typical state-level risk. This positions it as one of Indiana's most hazard-exposed counties overall.

Higher risk than most surrounding counties

Vanderburgh's composite risk of 91.32 significantly exceeds nearby Warrick County (65.11) and Vigo County (83.21). The southwestern Indiana location concentrates multiple hazard exposures that neighboring counties experience less intensely.

Earthquakes and tornadoes dominate the threat landscape

Earthquake risk (97.17) and tornado risk (95.90) are Vanderburgh's primary concerns, both ranking in the top tier nationally. Flood risk (89.79) adds a third significant threat, driven by proximity to the Ohio River.

Comprehensive coverage is essential here

Standard homeowners insurance must include tornado and wind protections; consider separate flood insurance given the Ohio River proximity and 89.79 flood risk score. Earthquake insurance, though less common, merits discussion with your agent given the county's 97.17 earthquake risk.

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

Preparedness Guide

What to Prepare for in Vanderburgh County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    97th percentile
  2. #2
    TornadoPrepare
    96th percentile
  3. #3
    FloodPrepare
    90th percentile

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

Risk Advisory: Vanderburgh County

Risk Verdict

Vanderburgh County registers a moderately elevated natural disaster risk, ranking at the 91th percentile across all U.S. counties. High composite risk signals that multiple hazard types are elevated simultaneously; planning for more than one scenario is important in Vanderburgh County.

Hazard Breakdown

Earthquake risk is Vanderburgh County's dominant natural hazard, ranked at the 97th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 96th percentile nationally. Additional tracked hazards include flood (90th percentile), hurricane (43th percentile), wildfire (31th percentile).

Preparedness Context

Vanderburgh County's primary hazard, earthquake, ranks at the 97th percentile nationally. Unreinforced masonry structures carry the highest injury risk during seismic events; residents in older buildings should check with their municipality about available seismic retrofit programs. The county's tornado risk at the 96th percentile nationally is a seasonal consideration alongside the year-round earthquake threat, requiring awareness of both hazard types. After a major earthquake, Vanderburgh County residents should expect water service disruption for 24 to 72 or more hours. Storing a minimum of one gallon per person per day for three days — before any event — is the most direct preparedness action households can take.

Regional Context

Vanderburgh County falls 45.8 points above Indiana's typical county risk level, which means the hazard environment here is notably more demanding than the state baseline.

Is your household prepared for Vanderburgh 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 Vanderburgh County, IN?
Vanderburgh County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 91th 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 Vanderburgh County?
Vanderburgh County is evaluated for five major natural hazard types: earthquake (97th percentile), tornado (96th percentile), flooding (90th percentile), hurricane (43th percentile), wildfire (31th percentile). The highest-risk hazard is earthquake at the 97th 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 Vanderburgh County risk compare to the Indiana average?
Vanderburgh County's composite risk percentile is 91th, compared to the Indiana state average of 46th percentile. The state's overall risk rating is Relatively Low. This means Vanderburgh County faces higher natural disaster risk than the typical county in Indiana.
Is Vanderburgh County at risk for earthquake?
Yes, Vanderburgh County's earthquake risk is at the 97th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Vanderburgh County is at the 90th 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 Vanderburgh County higher risk than average?
Vanderburgh County's composite risk score of 91th percentile is above the Indiana state average of 46th percentile. This elevated risk is driven by earthquake exposure (97th percentile), along with tornado and flooding 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.