Connecticut: 9 counties covered

Across 9 Connecticut counties with a FEMA flood score, the average national percentile is 92.3 — but that average hides real spread between counties, which is why each one gets its own page rather than a single statewide number.

• Capitol Planning Region — 99th percentile, Relatively High
• Western Connecticut Planning Region — 98.1th percentile, Relatively High
• South Central Connecticut Planning Region — 96.9th percentile, Relatively High
• Naugatuck Valley Planning Region — 96.3th percentile, Relatively High
• Greater Bridgeport Planning Region — 94.8th percentile, Very High
• Southeastern Connecticut Planning Region — 91.8th percentile, Relatively Moderate
• Lower Connecticut River Valley Planning Region — 90.3th percentile, Relatively Moderate
• Northwest Hills Planning Region — 88th percentile, Relatively Moderate
• Northeastern Connecticut Planning Region — 75.2th percentile, Relatively Moderate