Clinton County, OH

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 41,956 · Cities: Wilmington

Very Low Riskier than 34% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Clinton County has experienced 10 federally declared disasters since 1968, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Clinton County's highest-rated hazards are ice storm, drought, and earthquake, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. NOAA records 70 storm events in the county over the past decade. Community vulnerability is relatively low (30th percentile nationally), indicating stronger recovery capacity than most US counties.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. Clinton County has been designated in 10 declarations since 1968, covering 5 disaster types including severe storm (3), snowstorm (3), biological (2).

2002–2026
Year Type Event name
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2012 Severe Storm Severe Storms
2009 Severe Storm Severe Wind Storm Associated With Tropical Depression Ike
2008 Snowstorm Record Snow And Near Record Snow
2005 Hurricane Hurricane Katrina Evacuation
2004 Severe Storm Severe Storms And Flooding
1978 Snowstorm Blizzards & Snowstorms
1977 Snowstorm Snowstorms
1968 Flood Heavy Rains & Flooding

Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.

Risk by hazard type

Hazard Risk rating Risk score Recorded events Deaths Prop. damage
Wildfire Very Low 8.9 0 0
Inland Flooding Relatively Low 44.7 35 0 $20K
Coastal Flooding Not Applicable 0 0
Earthquake Relatively Low 65.4
Heat Wave Relatively Low 59.8 2 0
Tornado Relatively Low 55.5 7 0 $128K
Hurricane Very Low 35.3 0 0
Hail Relatively Low 36.6 29 0 $50K
Strong Wind Relatively Moderate 62.3 0 0
Winter Weather Relatively Low 46.9 0 0
Ice Storm Relatively Moderate 71.3
Cold Wave Relatively Low 38.2
Lightning Relatively Low 51.2 0 0
Drought Relatively Moderate 67.5 0 0
Landslide Very Low 50.5 0 0
Avalanche Not Applicable
Tsunami Not Applicable
Volcanic Activity Not Applicable

Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.

Community vulnerability

Clinton County ranks in the 30th percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.

SVI theme Percentile Vulnerability level
Overall 30th Low
Socioeconomic status 33rd Low
Household characteristics 50th Moderate
Racial & ethnic minority status 18th Very low
Housing type & transportation 33rd Low

Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.

Future risk outlook

Wildfire metric National percentile Level
Burn probability 5th Very Low
Risk to homes 4th Very Low
Buildings in direct exposure zone 48.9%

NOAA tracked 70 weather events in this county over 2016–2025: 33 in 2016–20 vs 37 in 2021–25 (+12% — frequency increasing).

Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.

Nearby counties

Compare Clinton County with other counties → All Ohio counties →

Frequently asked questions

What natural hazards pose the greatest risk in Clinton County?

According to the FEMA National Risk Index, the highest-risk hazards in Clinton County, Ohio are ice storm, drought, and earthquake. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Has Clinton County received federal disaster declarations?

Yes. Clinton County has received 10 federal disaster declarations since 1968, including declarations in 2020. The most common disaster type on record is severe storm (3 declarations).

Has Clinton County had any FEMA disaster declarations in 2024, 2025, or 2026?

No federal disaster declarations have been recorded for Clinton County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.

How does Clinton County's natural hazard risk compare to nearby counties?

Among neighboring counties, Clermont County, OH has the highest overall natural hazard risk (Relatively Low) and Fayette County, OH has the lowest (Very Low). Clinton County is rated Very Low overall.

How is Clinton County's composite disaster risk index calculated?

Clinton County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Clinton County's composite score of 34 means its overall natural hazard risk is higher than 34% of US counties.

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