Carroll County Disaster Risk
Carroll County, New Hampshire
FEMA Risk Rating
Relatively Low
National Percentile
71th
of 3,144 counties
State Rank
#6
of 10 (1 = highest risk)
Flood Risk
82th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 82% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 34% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 19% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 63% of US counties
Hurricane
Tropical cyclone and hurricane risk
Moderate
Higher than 86% of US counties
Risk Overview
About Natural Disaster Risk in Carroll County, New Hampshire
Carroll County Matches National Risk Trends
Carroll County's composite risk score of 70.96 places it slightly above the national average of 69.89 in the "Relatively Low" category. This means residents experience natural disaster exposure comparable to many U.S. counties, with some elevated flood and hurricane concerns.
Mid-Range Risk Among NH Counties
Carroll County ranks fourth among New Hampshire's eight counties with a score of 70.96, sitting just above the state average of 69.89. Its position reflects moderate but not extreme exposure to natural hazards.
Riskier Than Belknap, Safer Than Grafton
Carroll ranks between its neighboring Belknap County (57.38) and Grafton County (81.77), with a notably higher flood risk of 82.00 than Belknap's 70.32. Its proximity to coastal and riverine areas elevates water-related hazards above other nearby counties.
Floods and Hurricanes Lead Threats
Carroll County faces exceptional flood risk at 82.00 and hurricane risk at 86.40, among the state's highest for both hazards. These elevated scores reflect the county's mountain terrain and Atlantic-influenced weather patterns, requiring proactive preparation.
Get Comprehensive Flood and Wind Coverage
Carroll County residents need robust flood insurance and hurricane-resistant homeowners policies given the twin threats of 82.00 flood risk and 86.40 hurricane risk. Standard policies often exclude flood damage, so separate coverage is essential.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Carroll County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Carroll County
Risk Verdict
At the 71th percentile nationally, Carroll County experiences a manageable level of natural hazard risk that falls below the U.S. median. Carroll County's risk profile calls for targeted preparedness, focusing on the hazard categories that dominate the county's score.
Hazard Breakdown
Hurricane risk is Carroll County's dominant natural hazard, ranked at the 86th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 82th percentile nationally. Additional tracked hazards include earthquake (63th percentile), wildfire (34th percentile), tornado (19th percentile).
Preparedness Context
Carroll County's primary hazard, hurricane, ranks at the 86th percentile nationally. Having a designated out-of-area contact, a pre-packed go-bag with medications and documents, and a confirmed evacuation route reduces decision-making load when a storm intensifies rapidly. Flood, the county's second-ranked hazard at the 82th percentile nationally, represents an additional preparedness consideration for Carroll County independent of hurricane season. The National Hurricane Center's official forecast cone and local NWS office watches and warnings are the authoritative sources for Carroll County storm tracking; households benefit from bookmarking these before storm season rather than relying on social media during an event.
Regional Context
At 1.1 points from the New Hampshire county mean, Carroll County's overall disaster risk profile is close to typical for this state, with no dramatic deviation in either direction.
Is your household prepared for Carroll County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Carroll County, NH?
What types of natural hazards affect Carroll County?
How does Carroll County risk compare to the New Hampshire average?
Is Carroll County at risk for hurricane?
How is natural disaster risk measured?
Why is Carroll County higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.