Pennsylvania Threat Assessment
67 counties ranked by FEMA National Risk Index composite score.
| County | Threat Level | NRI Score | Rating |
|---|---|---|---|
| Philadelphia County | Critical | 41.1 | Very High |
| Luzerne County | High | 19.0 | Relatively Moderate |
| Berks County | High | 16.6 | Relatively Moderate |
| Allegheny County | High | 16.5 | Relatively Moderate |
| Delaware County | High | 14.8 | Relatively Moderate |
| Dauphin County | High | 14.4 | Relatively Moderate |
| Lackawanna County | High | 14.3 | Relatively Moderate |
| Lehigh County | Elevated | 13.5 | Relatively Moderate |
| Lancaster County | Elevated | 11.9 | Relatively Low |
| Monroe County | Elevated | 11.7 | Relatively Low |
| Crawford County | Elevated | 11.3 | Relatively Low |
| Northampton County | Elevated | 11.3 | Relatively Low |
| Westmoreland County | Elevated | 11.2 | Relatively Low |
| Bradford County | Elevated | 11.0 | Relatively Low |
| Erie County | Elevated | 10.8 | Relatively Low |
| Lycoming County | Elevated | 10.8 | Relatively Low |
| Montgomery County | Elevated | 10.7 | Relatively Low |
| Fayette County | Elevated | 10.5 | Relatively Low |
| Beaver County | Elevated | 10.2 | Relatively Low |
| Cambria County | Elevated | 9.5 | Relatively Low |
| Lebanon County | Elevated | 9.5 | Relatively Low |
| Bucks County | Elevated | 9.2 | Relatively Low |
| Blair County | Moderate | 8.9 | Relatively Low |
| Venango County | Moderate | 8.8 | Relatively Low |
| Warren County | Moderate | 8.8 | Relatively Low |
| Schuylkill County | Moderate | 8.7 | Relatively Low |
| York County | Moderate | 8.7 | Relatively Low |
| Carbon County | Moderate | 8.5 | Relatively Low |
| Mercer County | Moderate | 8.5 | Relatively Low |
| Franklin County | Moderate | 8.3 | Relatively Low |
| McKean County | Moderate | 8.2 | Relatively Low |
| Chester County | Moderate | 8.0 | Very Low |
| Northumberland County | Moderate | 7.9 | Very Low |
| Wayne County | Moderate | 7.9 | Very Low |
| Adams County | Moderate | 7.8 | Very Low |
| Susquehanna County | Moderate | 7.7 | Very Low |
| Washington County | Moderate | 7.6 | Very Low |
| Lawrence County | Moderate | 7.5 | Very Low |
| Jefferson County | Moderate | 7.4 | Very Low |
| Cumberland County | Moderate | 7.2 | Very Low |
| Mifflin County | Moderate | 7.2 | Very Low |
| Columbia County | Moderate | 7.0 | Very Low |
| Clinton County | Moderate | 6.7 | Very Low |
| Wyoming County | Guarded | 6.6 | Very Low |
| Clearfield County | Guarded | 6.5 | Very Low |
| Pike County | Guarded | 6.4 | Very Low |
| Somerset County | Guarded | 6.4 | Very Low |
| Butler County | Guarded | 6.1 | Very Low |
| Bedford County | Guarded | 6.0 | Very Low |
| Clarion County | Guarded | 6.0 | Very Low |
| Indiana County | Guarded | 6.0 | Very Low |
| Armstrong County | Guarded | 5.9 | Very Low |
| Greene County | Guarded | 5.7 | Very Low |
| Snyder County | Guarded | 5.4 | Very Low |
| Sullivan County | Guarded | 5.4 | Very Low |
| Tioga County | Guarded | 5.4 | Very Low |
| Juniata County | Guarded | 5.2 | Very Low |
| Huntingdon County | Guarded | 5.1 | Very Low |
| Union County | Guarded | 5.0 | Very Low |
| Perry County | Guarded | 4.5 | Very Low |
| Potter County | Guarded | 4.2 | Very Low |
| Montour County | Guarded | 4.1 | Very Low |
| Centre County | Guarded | 4.0 | Very Low |
| Elk County | Guarded | 4.0 | Very Low |
| Cameron County | Guarded | 3.1 | Very Low |
| Fulton County | Guarded | 2.9 | Very Low |
| Forest County | Guarded | 2.1 | Very Low |