Allendale, NJ natural hazards
Most of the natural-hazard damage FEMA expects in Allendale comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 42 claims here since 1984. 11 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Allendale?
FEMA expects yearly storm and flood damage to homes and buildings in Allendale to be higher than in 31% of U.S. communities, mostly from inland flooding.
What Allendale faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Inland flooding
Earthquakes
Lower here
Not a risk here
Does Allendale flood?
Every paid claim on a federal flood insurance policy in Allendale, from FEMA’s records.
Biggest named events
- Hurricane Floyd: 15 claims, $380K
- Hurricane Irene: 9 claims, $76K
- April 2007 Nor'easter: 3 claims, $24K
Homes that flooded again and again
■ FEMA “severe repetitive loss” (1) ■ flooded 2+ times
are insured
are insured
11 federal disasters brought FEMA money here
Disasters the President declared that paid out in Allendale itself: aid to households, or repair grants to the Borough of Allendale.
Remnants of Hurricane Ida
Tropical Storm Isaias
Severe Winter Storm and Snowstorm
Severe Winter Storm and Snowstorm
Hurricane Sandy
Severe Storm
Hurricane Irene
Severe Winter Storm and Snowstorm
Severe Storms and Flooding
Severe Storms and Inland and Coastal Flooding
Hurricane Floyd Major Disaster Declarations
Allendale and the towns around it
How to read this page
FEMA’s expected losses across Allendale total about $2.3M a year, counting buildings, people and crops.
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.