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

Adams County Disaster Risk

Adams County, Ohio

FEMA Risk Rating

Relatively Low

National Percentile

44th

of 3,144 counties

State Rank

#59

of 88 (1 = highest risk)

Flood Risk

64th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 64% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 63% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 41% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 49% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 42% of US counties

Risk Overview

About Natural Disaster Risk in Adams County, Ohio

Adams County's low risk profile

Adams County scores 43.83 on the national composite risk scale, placing it well below the national average and indicating relatively low overall natural disaster exposure. This score reflects moderate vulnerabilities in flooding and wildfire, balanced by lower risks from tornadoes, earthquakes, and hurricanes.

One of Ohio's safer counties

With a composite risk score of 43.83, Adams County ranks among Ohio's lowest-risk counties, sitting 11.2 points below the state average of 55.03. This favorable standing means residents face fewer compound disaster pressures than most of their Ohio neighbors.

Surrounded by moderate-risk counties

Adams County's neighboring counties show more variation in risk: Brown County scores 62.56 and Ashland County 46.34, making Adams a relative safe haven in the region. The county's lower flood and wildfire scores particularly distinguish it from nearby Brown County.

Flooding and wildfire top concerns

Flooding presents the highest hazard risk at 64.28, followed closely by wildfire at 63.04—both substantially above the county's overall composite score. These two hazards warrant targeted preparedness, particularly for properties in flood-prone valleys and rural areas vulnerable to woodland fires.

Prioritize flood and wildfire coverage

Standard homeowners insurance does not cover flood damage; Adams County residents should strongly consider separate flood insurance, especially those in mapped flood zones or near waterways. Wildfire insurance riders and defensible space maintenance around your property are equally critical given the county's elevated wildfire scores.

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

Preparedness Guide

What to Prepare for in Adams County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    64th percentile
  2. #2
    WildfirePrepare
    63th percentile
  3. #3
    EarthquakePrepare
    49th percentile

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

Risk Advisory: Adams County

Risk Verdict

Adams County's FEMA risk score places it at the 44th percentile nationally, indicating lower-than-typical exposure for a U.S. county. Adams County residents can take confidence from a 44th percentile ranking, but even lower-risk counties benefit from a practiced household communication plan and awareness of the specific hazards listed above.

Hazard Breakdown

Flood risk is Adams County's dominant natural hazard, ranked at the 64th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 63th percentile nationally. Additional tracked hazards include earthquake (49th percentile), hurricane (42th percentile), tornado (41th percentile).

Preparedness Context

At the 64th percentile nationally for flood risk, Adams County residents benefit from understanding their specific flood zone status. Even one inch of floodwater causes significant structural damage to properties outside officially designated high-risk zones. The county's second-ranked hazard, wildfire at the 63th percentile nationally, means Adams County residents face compounding risks from multiple natural hazard types during peak seasons. A tested family preparedness plan specific to Adams County's primary hazards — including how to shelter in place or evacuate, and who to call — provides more real protection than a general emergency kit sitting unused on a shelf.

Regional Context

At 11.2 points below the Ohio state average, Adams County is among the lower-risk counties in the state for natural disaster exposure.

Is your household prepared for Adams 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 Adams County, OH?
Adams County has a FEMA National Risk Index rating of Relatively Low, placing it in the 44th 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 Adams County?
Adams County is evaluated for five major natural hazard types: flooding (64th percentile), wildfire (63th percentile), earthquake (49th percentile), hurricane (42th percentile), tornado (41th percentile). The highest-risk hazard is flooding at the 64th 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 Adams County risk compare to the Ohio average?
Adams County's composite risk percentile is 44th, compared to the Ohio state average of 55th percentile. The state's overall risk rating is Relatively Low. This means Adams County faces lower natural disaster risk than the typical county in Ohio.
Is Adams County at risk for flooding?
Yes, Adams County's flooding risk is at the 64th 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.
Is Adams County a safe place to live?
Adams County's composite risk score of 44th percentile is below the Ohio state average of 55th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is flooding at the 64th 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.