Grafton County, New Hampshire
Natural Hazard Risk Assessment — Population: 91,072
81.8NRI
Relatively Moderate
Overall Risk Rating
👥
Population
91,072
🏠
Building Value
$22.7B
💰
Annual Hazard Loss
$50.4M
⚠️
Hazards Tracked
15
Natural Hazard Risk Profile
⛰️
Relatively ModerateLandslide
Annual Loss$544K
Risk Score97.8
⛄
Relatively HighWinter Weather
Annual Loss$608K
Risk Score93.3
🌊
Relatively ModerateRiverine Flooding
Annual Loss$43.0M
Risk Score90.1
⚡
Relatively ModerateLightning
Annual Loss$828K
Risk Score80.9
🌀
Relatively LowHurricane
Annual Loss$1.7M
Risk Score78.5
❄️
Relatively ModerateIce Storm
Annual Loss$332K
Risk Score75.8
🏔️
Relatively LowAvalanche
Annual Loss$13K
Risk Score74.1
🏔️
Relatively LowEarthquake
Annual Loss$848K
Risk Score69.6
Show all 15 hazards
🥶
Relatively LowCold Wave
Annual Loss$1.2M
Risk Score54.1
💨
Relatively LowStrong Wind
Annual Loss$577K
Risk Score48.3
🌡️
Relatively LowHeat Wave
Annual Loss$310K
Risk Score44.3
🔥
Very LowWildfire
Annual Loss$16K
Risk Score30.9
🌪️
Very LowTornado
Annual Loss$378K
Risk Score24.4
🧊
Very LowHail
Annual Loss$75K
Risk Score19.2
☀️
No RatingDrought
Annual Loss$0
Risk Score0.0
Grafton County vs. National Average
🎯 Overall Risk
81.8+33.1 vs avg
National avg: 48.7
🔥 Wildfire Risk
30.9-17.8 vs avg
National avg: 48.7
👥 Social Vulnerability
27.4-21.8 vs avg
National avg: 49.2
🛡️ Community Resilience
72.7+24.0 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
27.4
Relatively LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
72.7
Relatively HighHigher scores indicate better ability to prepare for, adapt to, and recover from hazards.
Frequently Asked Questions
Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.