Pennsylvania: 67 counties covered

Across 67 Pennsylvania counties with a FEMA flood score, the average national percentile is 79.6 — but that average hides real spread between counties, which is why each one gets its own page rather than a single statewide number.

• Philadelphia County — 99.6th percentile, Very High
• Allegheny County — 99.2th percentile, Very High
• Montgomery County — 98.2th percentile, Relatively High
• Bucks County — 97.1th percentile, Relatively High
• Delaware County — 94.4th percentile, Relatively High
• Lancaster County — 96.9th percentile, Relatively High
• Chester County — 94.3th percentile, Relatively High
• York County — 93.3th percentile, Relatively High
• Berks County — 94.8th percentile, Relatively High
• Lehigh County — 95.4th percentile, Relatively High
• Westmoreland County — 93.8th percentile, Relatively High
• Luzerne County — 95.3th percentile, Relatively High
• Northampton County — 93.6th percentile, Relatively High
• Dauphin County — 94.8th percentile, Relatively High
• Cumberland County — 91.1th percentile, Relatively Moderate
• Erie County — 90.7th percentile, Relatively Moderate
• Lackawanna County — 94.1th percentile, Relatively High
• Washington County — 91.4th percentile, Relatively Moderate
• Butler County — 89th percentile, Relatively Moderate
• Monroe County — 88.1th percentile, Relatively Moderate
• Beaver County — 87th percentile, Relatively Moderate
• Centre County — 81.2th percentile, Relatively Moderate
• Franklin County — 84.3th percentile, Relatively Moderate
• Lebanon County — 84.9th percentile, Relatively Moderate
• Schuylkill County — 90.8th percentile, Relatively Moderate
• Cambria County — 85.7th percentile, Relatively Moderate
• Fayette County — 90.6th percentile, Relatively Moderate
• Blair County — 87.5th percentile, Relatively Moderate
• Lycoming County — 89th percentile, Relatively Moderate
• Mercer County — 87.9th percentile, Relatively Moderate
• Adams County — 76.2th percentile, Relatively Moderate
• Northumberland County — 88.3th percentile, Relatively Moderate
• Lawrence County — 83.1th percentile, Relatively Moderate
• Indiana County — 77.8th percentile, Relatively Moderate
• Crawford County — 87.2th percentile, Relatively Moderate
• Clearfield County — 80.6th percentile, Relatively Moderate
• Somerset County — 80th percentile, Relatively Moderate
• Columbia County — 78.6th percentile, Relatively Moderate
• Carbon County — 67.5th percentile, Relatively Low
• Armstrong County — 85.1th percentile, Relatively Moderate
• Pike County — 78.8th percentile, Relatively Moderate
• Bradford County — 86.1th percentile, Relatively Moderate
• Wayne County — 71.3th percentile, Relatively Low
• Venango County — 74.1th percentile, Relatively Moderate
• Bedford County — 84th percentile, Relatively Moderate
• Perry County — 69.5th percentile, Relatively Low
• Mifflin County — 83.6th percentile, Relatively Moderate
• Jefferson County — 74.5th percentile, Relatively Moderate
• Huntingdon County — 68.8th percentile, Relatively Low
• Union County — 71.8th percentile, Relatively Low
• Tioga County — 78.9th percentile, Relatively Moderate
• Snyder County — 71.2th percentile, Relatively Low
• McKean County — 73.2th percentile, Relatively Moderate
• Susquehanna County — 71th percentile, Relatively Low
• Clinton County — 71.3th percentile, Relatively Low
• Warren County — 82.8th percentile, Relatively Moderate
• Clarion County — 52.2th percentile, Relatively Low
• Greene County — 74.3th percentile, Relatively Moderate
• Elk County — 68th percentile, Relatively Low
• Wyoming County — 69.2th percentile, Relatively Low
• Juniata County — 60.3th percentile, Relatively Low
• Montour County — 38.3th percentile, Relatively Low
• Potter County — 55.2th percentile, Relatively Low
• Fulton County — 21.5th percentile, Very Low
• Forest County — 43.5th percentile, Relatively Low
• Sullivan County — 37.4th percentile, Relatively Low
• Cameron County — 40.7th percentile, Relatively Low