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

Washington County Disaster Risk

Washington County, Indiana

FEMA Risk Rating

Very Low

National Percentile

41th

of 3,144 counties

State Rank

#52

of 92 (1 = highest risk)

Flood Risk

47th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 47% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 11% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 77% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 68% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 21% of US counties

Risk Overview

About Natural Disaster Risk in Washington County, Indiana

Washington County carries very low national risk

Washington County's composite risk score of 40.94 sits slightly below the national average, marking it as a relatively safe county nationally. This very low rating indicates manageable exposure to most major hazards.

About average risk for Indiana

At 40.94, Washington County's composite risk nearly matches Indiana's state average of 45.52, placing it in the middle of the state's hazard distribution. The county is safer than the highest-risk southern counties but faces similar pressures as most central regions.

Similar risk to surrounding counties

Washington's score of 40.94 closely mirrors Wabash County (40.97) to the north and slightly exceeds Warren County (5.76) to the west. The south-central Indiana location offers moderate protection relative to the state's most hazard-prone southern tier.

Tornado and earthquake risks are primary concerns

Tornado risk (77.29) is Washington County's top hazard, while earthquake risk (67.78) and flood risk (47.36) provide secondary concerns. All three remain manageable relative to Indiana's highest-risk counties.

Tornado coverage is your priority

Standard homeowners insurance must include strong tornado and wind protections, given Washington County's 77.29 tornado risk score. Flood insurance may be prudent for properties in mapped zones, though the county's 47.36 flood risk is moderate by state standards.

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

Preparedness Guide

What to Prepare for in Washington County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    77th percentile
  2. #2
    EarthquakePrepare
    68th percentile
  3. #3
    FloodPrepare
    47th percentile

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

Risk Advisory: Washington County

Risk Verdict

Washington County's overall natural disaster score at the 41th percentile puts it well below the national median for hazard exposure. A preparedness foundation — alert registration, household communication plan, and a basic supply review — costs little and remains valuable even at Washington County's favorable 41th percentile ranking.

Hazard Breakdown

Tornado risk is Washington County's dominant natural hazard, ranked at the 77th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 68th percentile nationally. Additional tracked hazards include flood (47th percentile), hurricane (21th percentile), wildfire (11th percentile).

Preparedness Context

With tornado ranked at the 77th percentile nationally, Washington County sits in a high-exposure zone where the difference between outcomes often comes down to proximity to a reinforced interior shelter and seconds of warning time. Alongside tornado exposure, earthquake at the 68th percentile nationally means Washington County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. For Washington County households, safe rooms certified to FEMA 320/361 standards offer the highest protection during a direct tornado hit; households without a safe room should locate the innermost lowest-floor room in their building and practice the route to it before storm season.

Regional Context

Washington County's risk score is broadly comparable to the Indiana county average, with a 4.6-point gap that places the county near the center of the state's hazard distribution.

Is your household prepared for Washington 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 Washington County, IN?
Washington 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 Washington County?
Washington County is evaluated for five major natural hazard types: tornado (77th percentile), earthquake (68th percentile), flooding (47th percentile), hurricane (21th percentile), wildfire (11th percentile). The highest-risk hazard is tornado at the 77th 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 Washington County risk compare to the Indiana average?
Washington 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 Washington County faces lower natural disaster risk than the typical county in Indiana.
Is Washington County at risk for tornado?
Yes, Washington County's tornado risk is at the 77th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Washington County is at the 47th 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 Washington County a safe place to live?
Washington 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 77th 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.