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

Richland County Disaster Risk

Richland County, Ohio

FEMA Risk Rating

Relatively Low

National Percentile

61th

of 3,144 counties

State Rank

#39

of 88 (1 = highest risk)

Flood Risk

72th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 72% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 36% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 62% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 56% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 45% of US counties

Risk Overview

About Natural Disaster Risk in Richland County, Ohio

Richland faces above-average hazard exposure

Richland County's composite risk score of 61.32 exceeds the national average, despite its "Relatively Low" state-level classification. The county experiences higher natural disaster threats than typical U.S. counties.

Well above Ohio's state average

At 61.32, Richland County scores more than 6 points above Ohio's average of 55.03, placing it among the state's higher-risk counties. The county ranks in Ohio's upper-middle tier for natural disaster exposure.

Richland matches peers in risk level

Richland (61.32) sits between Portage (65.08) and Sandusky (56.74) in north-central Ohio, representing a mid-to-high risk zone. Its exposure patterns align more closely with higher-risk adjacent counties than lower-risk ones.

Floods and tornadoes are primary threats

Flooding represents Richland's top hazard at 71.56, while tornado risk at 62.34 poses significant spring-season danger. Together these hazards drive Richland's above-average composite risk.

Prioritize flood insurance immediately

With flood risk at 71.56, separate flood insurance is non-negotiable—standard policies won't protect you from water damage. Install a sump pump and backup power, maintain proper grading around your home, and review tornado safety plans annually.

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
    FloodPrepare
    72th percentile
  2. #2
    TornadoPrepare
    62th percentile
  3. #3
    EarthquakePrepare
    56th 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 61th percentile nationally for natural disaster risk — below the median for U.S. counties. Residents are encouraged to understand which hazards dominate locally and tailor their preparedness accordingly.

Hazard Breakdown

Flood risk is Richland County's dominant natural hazard, ranked at the 72th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 62th percentile nationally. Additional tracked hazards include earthquake (56th percentile), hurricane (45th percentile), wildfire (36th percentile).

Preparedness Context

Richland County sits at the 72th percentile nationally for flood exposure. Knowing your property's flood zone designation — available at FEMA's Flood Map Service Center — is the first step toward understanding actual exposure and insurance options. The county's second-ranked hazard, tornado at the 62th percentile nationally, means Richland County residents face compounding risks from multiple natural hazard types during peak seasons. Regardless of specific hazard, Richland County households benefit from a practiced communication plan: a designated out-of-state contact and a pre-agreed evacuation destination established before the season's peak risk period.

Regional Context

Compared to other Ohio counties, Richland County runs 6.3 composite risk points higher than the state mean — reflecting above-average hazard concentration in this area.

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, OH?
Richland County has a FEMA National Risk Index rating of Relatively Low, placing it in the 61th 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: flooding (72th percentile), tornado (62th percentile), earthquake (56th percentile), hurricane (45th percentile), wildfire (36th percentile). The highest-risk hazard is flooding at the 72th 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 Ohio average?
Richland County's composite risk percentile is 61th, compared to the Ohio state average of 55th percentile. The state's overall risk rating is Relatively Low. This means Richland County faces higher natural disaster risk than the typical county in Ohio.
Is Richland County at risk for flooding?
Yes, Richland County's flooding risk is at the 72th percentile nationally. This is above the national median.
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 Richland County higher risk than average?
Richland County's composite risk score of 61th percentile is above the Ohio state average of 55th percentile. This elevated risk is driven by flooding exposure (72th percentile), along with tornado and earthquake 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.