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

Richland County Disaster Risk

Richland County, Illinois

FEMA Risk Rating

Relatively Low

National Percentile

47th

of 3,144 counties

State Rank

#62

of 102 (1 = highest risk)

Flood Risk

41th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 41% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 3% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 52% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 90% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 39% of US counties

Risk Overview

About Natural Disaster Risk in Richland County, Illinois

Richland County slightly exceeds national risk

Richland County's composite risk score of 46.66 is modestly above the national average and 14% below Illinois's statewide average of 54.46, earning a "Relatively Low" rating. This positions Richland as a moderately hazard-exposed county with meaningful but not exceptional disaster risk.

Richland ranks in Illinois's middle tier

Richland County's score of 46.66 places it in the midrange of Illinois's 102 counties for disaster risk, performing slightly better than the state average. The county's balanced hazard profile reflects moderate exposure to multiple natural disaster types without extreme concentration in any single category.

Richland balances regional risk patterns

At 46.66, Richland County scores lower than its higher-risk neighbors Perry County (72.07) and Randolph County (78.63), but higher than the lower-risk Pike County (30.34) cluster. This middle position makes Richland representative of south-central Illinois's typical hazard exposure.

Tornadoes, earthquakes, and floods matter most

Richland County's primary risks are tornado exposure at 52.42, earthquake risk at 89.57, and flood risk at 41.25, reflecting the county's position in both a seismically active region and Tornado Alley's periphery. These three hazards warrant focused attention in household emergency planning.

Balance earthquake and flood coverage

Richland County homeowners should secure standalone earthquake insurance to address the county's substantial seismic risk of 89.57, and verify wind/hail protection for tornado exposure. Evaluate flood insurance based on property location, as the county's 41.25 flood risk suggests some neighborhoods face meaningful inundation exposure.

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

Preparedness Guide

What to Prepare for in Richland County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    90th percentile
  2. #2
    TornadoPrepare
    52th percentile
  3. #3
    FloodPrepare
    41th percentile

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

Risk Advisory: Richland County

Risk Verdict

Richland County ranks at the 47th percentile nationally for natural disaster risk — below the median for U.S. counties. Richland County's 47th percentile ranking is favorable, though every county carries at least one natural hazard worth knowing — reviewing the specific risks listed above helps households focus their preparedness where it matters most.

Hazard Breakdown

Earthquake risk is Richland County's dominant natural hazard, ranked at the 90th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 52th percentile nationally. Additional tracked hazards include flood (41th percentile), hurricane (39th percentile), wildfire (3th percentile).

Preparedness Context

Richland County ranks at the 90th percentile nationally for earthquake risk. Unlike most natural hazards, earthquakes provide no advance warning; preparedness here means structural adjustments and a practiced response, not alert monitoring. Tornado at the 52th percentile nationally is a separate hazard dimension for Richland County that requires different protective strategies from earthquake preparedness. For earthquake preparedness, Richland County's county emergency management office often maintains a list of community water supply points, Red Cross shelter locations, and post-quake assistance programs — useful resources to identify before an event occurs.

Regional Context

A composite score 7.8 points below the Illinois state average puts Richland County in a better-than-typical position relative to neighboring counties.

Is your household prepared for Richland 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 Richland County, IL?
Richland County has a FEMA National Risk Index rating of Relatively Low, placing it in the 47th 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 Richland County?
Richland County is evaluated for five major natural hazard types: earthquake (90th percentile), tornado (52th percentile), flooding (41th percentile), hurricane (39th percentile), wildfire (3th percentile). The highest-risk hazard is earthquake at the 90th 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 Richland County risk compare to the Illinois average?
Richland County's composite risk percentile is 47th, compared to the Illinois state average of 55th percentile. The state's overall risk rating is Relatively Low. This means Richland County faces lower natural disaster risk than the typical county in Illinois.
Is Richland County at risk for earthquake?
Yes, Richland County's earthquake risk is at the 90th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Richland County is at the 41th 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 Richland County a safe place to live?
Richland County's composite risk score of 47th percentile is below the Illinois state average of 55th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is earthquake at the 90th 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.