Flood Risk by County in New Jersey

New Jersey: 21 counties covered

Across 21 New Jersey counties with a FEMA flood score, the average national percentile is 94.5, but that average hides real spread between counties, which is why each one gets its own page rather than a single statewide number.

• Bergen County, 100th percentile, Very High
• Middlesex County, 98.9th percentile, Relatively High
• Essex County, 98.8th percentile, Relatively High
• Hudson County, 98.6th percentile, Very High
• Ocean County, 98.2th percentile, Very High
• Monmouth County, 95.8th percentile, Relatively High
• Union County, 97.5th percentile, Relatively High
• Camden County, 95.6th percentile, Relatively High
• Passaic County, 97.8th percentile, Relatively High
• Morris County, 96.3th percentile, Relatively High
• Burlington County, 96.4th percentile, Relatively High
• Mercer County, 97.2th percentile, Relatively High
• Somerset County, 95th percentile, Relatively High
• Gloucester County, 87.9th percentile, Relatively High
• Atlantic County, 96.2th percentile, Very High
• Cumberland County, 88.4th percentile, Relatively High
• Sussex County, 77.3th percentile, Relatively Moderate
• Hunterdon County, 86.8th percentile, Relatively Moderate
• Warren County, 86.5th percentile, Relatively Moderate
• Cape May County, 99.4th percentile, Very High
• Salem County, 95.8th percentile, Very High