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