Idaho Threat Assessment
44 counties ranked by FEMA National Risk Index composite score.
| County | Threat Level | NRI Score | Rating |
|---|---|---|---|
| Gooding County | High | 14.1 | Relatively Moderate |
| Twin Falls County | Elevated | 13.3 | Relatively Low |
| Boise County | Elevated | 12.4 | Relatively Low |
| Jerome County | Elevated | 12.4 | Relatively Low |
| Cassia County | Elevated | 12.3 | Relatively Low |
| Idaho County | Elevated | 12.3 | Relatively Low |
| Minidoka County | Elevated | 11.6 | Relatively Low |
| Bingham County | Elevated | 11.5 | Relatively Low |
| Valley County | Elevated | 11.4 | Relatively Low |
| Elmore County | Elevated | 11.3 | Relatively Low |
| Bannock County | Elevated | 10.6 | Relatively Low |
| Clark County | Elevated | 10.4 | Relatively Low |
| Adams County | Elevated | 10.3 | Relatively Low |
| Canyon County | Elevated | 9.9 | Relatively Low |
| Ada County | Elevated | 9.4 | Relatively Low |
| Owyhee County | Elevated | 9.2 | Relatively Low |
| Bonneville County | Moderate | 9.1 | Relatively Low |
| Lincoln County | Moderate | 8.7 | Relatively Low |
| Lemhi County | Moderate | 8.6 | Relatively Low |
| Power County | Moderate | 8.6 | Relatively Low |
| Blaine County | Moderate | 8.4 | Relatively Low |
| Clearwater County | Moderate | 7.8 | Very Low |
| Gem County | Moderate | 7.7 | Very Low |
| Fremont County | Moderate | 7.5 | Very Low |
| Bonner County | Moderate | 7.1 | Very Low |
| Boundary County | Moderate | 6.8 | Very Low |
| Kootenai County | Moderate | 6.8 | Very Low |
| Shoshone County | Moderate | 6.8 | Very Low |
| Washington County | Moderate | 6.8 | Very Low |
| Teton County | Guarded | 6.4 | Very Low |
| Jefferson County | Guarded | 6.2 | Very Low |
| Madison County | Guarded | 5.9 | Very Low |
| Lewis County | Guarded | 5.7 | Very Low |
| Bear Lake County | Guarded | 5.6 | Very Low |
| Payette County | Guarded | 5.5 | Very Low |
| Camas County | Guarded | 5.4 | Very Low |
| Custer County | Guarded | 5.4 | Very Low |
| Benewah County | Guarded | 5.1 | Very Low |
| Butte County | Guarded | 5.1 | Very Low |
| Nez Perce County | Guarded | 5.0 | Very Low |
| Caribou County | Guarded | 4.7 | Very Low |
| Oneida County | Guarded | 4.6 | Very Low |
| Franklin County | Guarded | 4.3 | Very Low |
| Latah County | Guarded | 3.1 | Very Low |