Ohio Threat Assessment
88 counties ranked by FEMA National Risk Index composite score.
| County | Threat Level | NRI Score | Rating |
|---|---|---|---|
| Cuyahoga County | Critical | 23.9 | Relatively High |
| Hamilton County | Critical | 23.6 | Relatively High |
| Franklin County | High | 19.9 | Relatively Moderate |
| Montgomery County | High | 18.6 | Relatively Moderate |
| Lucas County | High | 17.5 | Relatively Moderate |
| Stark County | High | 15.5 | Relatively Moderate |
| Summit County | High | 15.5 | Relatively Moderate |
| Trumbull County | High | 14.2 | Relatively Moderate |
| Lorain County | Elevated | 13.3 | Relatively Low |
| Butler County | Elevated | 13.0 | Relatively Low |
| Mahoning County | Elevated | 12.7 | Relatively Low |
| Erie County | Elevated | 11.8 | Relatively Low |
| Scioto County | Elevated | 11.5 | Relatively Low |
| Clark County | Elevated | 11.4 | Relatively Low |
| Richland County | Elevated | 11.4 | Relatively Low |
| Hancock County | Elevated | 11.1 | Relatively Low |
| Belmont County | Elevated | 10.6 | Relatively Low |
| Holmes County | Elevated | 10.2 | Relatively Low |
| Adams County | Elevated | 10.1 | Relatively Low |
| Jefferson County | Elevated | 10.1 | Relatively Low |
| Lawrence County | Elevated | 9.7 | Relatively Low |
| Muskingum County | Elevated | 9.7 | Relatively Low |
| Brown County | Elevated | 9.1 | Relatively Low |
| Licking County | Moderate | 8.9 | Relatively Low |
| Allen County | Moderate | 8.8 | Relatively Low |
| Darke County | Moderate | 8.8 | Relatively Low |
| Columbiana County | Moderate | 8.7 | Relatively Low |
| Sandusky County | Moderate | 8.7 | Relatively Low |
| Wayne County | Moderate | 8.4 | Relatively Low |
| Huron County | Moderate | 8.3 | Relatively Low |
| Lake County | Moderate | 8.2 | Relatively Low |
| Ashtabula County | Moderate | 8.1 | Relatively Low |
| Greene County | Moderate | 8.1 | Very Low |
| Pike County | Moderate | 8.1 | Very Low |
| Ashland County | Moderate | 8.0 | Very Low |
| Crawford County | Moderate | 8.0 | Very Low |
| Miami County | Moderate | 8.0 | Very Low |
| Meigs County | Moderate | 7.9 | Very Low |
| Washington County | Moderate | 7.8 | Very Low |
| Highland County | Moderate | 7.7 | Very Low |
| Ottawa County | Moderate | 7.7 | Very Low |
| Portage County | Moderate | 7.7 | Very Low |
| Preble County | Moderate | 7.7 | Very Low |
| Clermont County | Moderate | 7.6 | Very Low |
| Tuscarawas County | Moderate | 7.6 | Very Low |
| Coshocton County | Moderate | 7.5 | Very Low |
| Knox County | Moderate | 7.4 | Very Low |
| Logan County | Moderate | 7.3 | Very Low |
| Guernsey County | Moderate | 7.2 | Very Low |
| Seneca County | Moderate | 7.2 | Very Low |
| Wood County | Moderate | 7.2 | Very Low |
| Athens County | Moderate | 7.1 | Very Low |
| Clinton County | Moderate | 7.0 | Very Low |
| Jackson County | Moderate | 7.0 | Very Low |
| Ross County | Moderate | 7.0 | Very Low |
| Gallia County | Moderate | 6.9 | Very Low |
| Fayette County | Moderate | 6.8 | Very Low |
| Marion County | Moderate | 6.8 | Very Low |
| Monroe County | Moderate | 6.7 | Very Low |
| Williams County | Moderate | 6.7 | Very Low |
| Fairfield County | Guarded | 6.6 | Very Low |
| Medina County | Guarded | 6.6 | Very Low |
| Mercer County | Guarded | 6.6 | Very Low |
| Defiance County | Guarded | 6.5 | Very Low |
| Wyandot County | Guarded | 6.5 | Very Low |
| Hocking County | Guarded | 6.4 | Very Low |
| Noble County | Guarded | 6.0 | Very Low |
| Champaign County | Guarded | 5.9 | Very Low |
| Hardin County | Guarded | 5.9 | Very Low |
| Morgan County | Guarded | 5.8 | Very Low |
| Van Wert County | Guarded | 5.8 | Very Low |
| Fulton County | Guarded | 5.7 | Very Low |
| Shelby County | Guarded | 5.6 | Very Low |
| Auglaize County | Guarded | 5.3 | Very Low |
| Perry County | Guarded | 5.3 | Very Low |
| Harrison County | Guarded | 4.9 | Very Low |
| Henry County | Guarded | 4.9 | Very Low |
| Vinton County | Guarded | 4.9 | Very Low |
| Carroll County | Guarded | 4.8 | Very Low |
| Pickaway County | Guarded | 4.7 | Very Low |
| Morrow County | Guarded | 4.6 | Very Low |
| Paulding County | Guarded | 4.6 | Very Low |
| Geauga County | Guarded | 4.4 | Very Low |
| Warren County | Guarded | 4.3 | Very Low |
| Putnam County | Guarded | 4.1 | Very Low |
| Union County | Guarded | 4.1 | Very Low |
| Madison County | Guarded | 3.4 | Very Low |
| Delaware County | Guarded | 1.9 | Very Low |