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

Scioto County Disaster Risk

Scioto County, Ohio

FEMA Risk Rating

Relatively Low

National Percentile

70th

of 3,144 counties

State Rank

#24

of 88 (1 = highest risk)

Flood Risk

82th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 82% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 34% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 45% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 63% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 43% of US counties

Risk Overview

About Natural Disaster Risk in Scioto County, Ohio

Scioto ranks above average nationally

Scioto County's composite risk score of 70.23 places it in the relatively low category, but it sits above the national average for overall disaster risk. This means residents face moderate exposure to multiple natural hazards compared to the typical American county.

Higher risk than most Ohio counties

With a score of 70.23, Scioto County ranks above Ohio's state average of 55.03, putting it among the state's more hazard-prone regions. Only a few Ohio counties face greater composite risk exposure than Scioto.

Scioto faces steeper risks than nearby peers

Scioto's 70.23 score significantly exceeds Union County's 32.73 and Seneca County's 46.85, making it one of the riskier counties in its geographic region. Neighboring Tuscarawas County shows a similar profile at 69.02, suggesting a cluster of moderate risk in southern Ohio.

Flooding and earthquakes top concerns

Scioto County faces its greatest natural disaster risk from flooding (81.97) and earthquake hazards (62.56), both well above the state average. Tornado risk of 44.97 adds a secondary concern, though it remains below the state median.

Prioritize flood insurance now

Residents should secure comprehensive flood insurance immediately, as Scioto's flood risk of 81.97 is among the highest in Ohio. Earthquake coverage and wind/storm protection are also worth evaluating through your homeowner's policy.

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

Preparedness Guide

What to Prepare for in Scioto County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    82th percentile
  2. #2
    EarthquakePrepare
    63th percentile
  3. #3
    TornadoPrepare
    45th percentile

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

Risk Advisory: Scioto County

Risk Verdict

With a national percentile rank of 70th, Scioto County faces below-average hazard exposure relative to U.S. counties as a whole. Above-average risk does not mean imminent danger; it signals that informed, hazard-specific preparedness has high value here.

Hazard Breakdown

Flood risk is Scioto County's dominant natural hazard, ranked at the 82th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 63th percentile nationally. Additional tracked hazards include tornado (45th percentile), hurricane (43th percentile), wildfire (34th percentile).

Preparedness Context

With flood risk ranking at the 82th percentile nationally, Scioto County residents face one of the most financially damaging hazards without specialized coverage. Flood insurance through the NFIP or a private carrier is worth evaluating regardless of current mortgage requirements. The county's second-ranked hazard, earthquake at the 63th percentile nationally, means Scioto County residents face compounding risks from multiple natural hazard types during peak seasons. Registering for Scioto County's county emergency alert system — typically through the county emergency management office's website — ensures households receive early warning when flood events develop faster than forecast.

Regional Context

At 15.2 points above the Ohio state average, Scioto County carries meaningfully higher natural disaster exposure than a typical Ohio county.

Is your household prepared for Scioto 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 Scioto County, OH?
Scioto County has a FEMA National Risk Index rating of Relatively Low, placing it in the 70th 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 Scioto County?
Scioto County is evaluated for five major natural hazard types: flooding (82th percentile), earthquake (63th percentile), tornado (45th percentile), hurricane (43th percentile), wildfire (34th percentile). The highest-risk hazard is flooding at the 82th 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 Scioto County risk compare to the Ohio average?
Scioto County's composite risk percentile is 70th, compared to the Ohio state average of 55th percentile. The state's overall risk rating is Relatively Low. This means Scioto County faces higher natural disaster risk than the typical county in Ohio.
Is Scioto County at risk for flooding?
Yes, Scioto County's flooding risk is at the 82th percentile nationally. This places it in the top quartile for this hazard type.
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 Scioto County higher risk than average?
Scioto County's composite risk score of 70th percentile is above the Ohio state average of 55th percentile. This elevated risk is driven by flooding exposure (82th percentile), along with 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.