HazardFacts

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Natural hazard risk by county in Ohio

11 county pages so far. Overall ratings from the FEMA National Risk Index v1.20 (December 2025), which compares each county with all US counties.

Open a county for its FEMA ratings for each hazard, flood insurance and claims records, disaster declarations and tornado history.

CountyFEMA overall risk rating
Butler CountyRelatively Moderate
Clermont CountyRelatively Low
Cuyahoga CountyRelatively High
Delaware CountyRelatively Low
Franklin CountyRelatively High
Hamilton CountyRelatively High
Lake CountyRelatively Low
Licking CountyRelatively Low
Montgomery CountyRelatively Moderate
Wayne CountyRelatively Low
Wood CountyRelatively Low

This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s). This product uses the FEMA OpenFEMA API, but is not endorsed by FEMA.