riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Belknap County Disaster Risk

Belknap County, New Hampshire

FEMA Risk Rating

Relatively Low

National Percentile

57th

of 3,144 counties

State Rank

#9

of 10 (1 = highest risk)

Flood Risk

70th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 70% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 25% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 31% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 60% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 78% of US counties

Risk Overview

About Natural Disaster Risk in Belknap County, New Hampshire

Belknap: Well Below National Risk

Belknap County scores 57.38 on the composite risk scale, placing it in the "Relatively Low" category and well below the national average of 69.89. This means residents face lower exposure to major natural disasters compared to most American counties.

Safest County in New Hampshire

Among New Hampshire's eight counties, Belknap ranks safest with the lowest composite risk score of 57.38. Its 12-point advantage below the state average of 69.89 reflects more favorable natural disaster exposure across all hazard types.

Safer Than All Surrounding Counties

Belknap's risk profile stands notably safer than neighboring Carroll (70.96) and Merrimack (78.21) counties. Even compared to nearby Cheshire County (60.50), Belknap maintains one of the state's lowest overall risk signatures.

Watch for Hurricanes and Floods

Hurricane risk tops Belknap's hazard profile at 78.39, followed by flood risk at 70.32—both driven by the county's proximity to the Atlantic coast and major watersheds. Earthquake risk of 59.80 remains moderate, while tornado and wildfire threats are relatively contained.

Prioritize Hurricane and Flood Insurance

Belknap residents should secure robust homeowners insurance covering hurricane and flood damage, as these remain the county's dominant natural disaster threats. Even in lower-risk counties, 1 in 5 properties experience costly water damage over 30 years.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Belknap County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    78th percentile
  2. #2
    FloodPrepare
    70th percentile
  3. #3
    EarthquakePrepare
    60th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Belknap County

Risk Verdict

Natural hazard pressure in Belknap County is below the national midpoint, with a composite score at the 57th percentile. Proactive emergency planning and awareness of the specific hazards driving Belknap County's score can meaningfully reduce household risk.

Hazard Breakdown

Hurricane risk is Belknap County's dominant natural hazard, ranked at the 78th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 70th percentile nationally. Additional tracked hazards include earthquake (60th percentile), tornado (31th percentile), wildfire (25th percentile).

Preparedness Context

Hurricane exposure at the 78th percentile nationally makes Belknap County a county where pre-season preparedness — not storm-day preparation — determines outcomes. Belknap County evacuation decisions under a watch or warning benefit from prior planning, not routes improvised under time pressure. Belknap County's flood exposure at the 70th percentile nationally adds a hazard layer that can persist or intensify after hurricane-force winds have passed, particularly in low-lying inland areas. Belknap County residents benefit from registering with the county's special-needs evacuation registry if household members have mobility limitations, require electricity-dependent medical equipment, or cannot self-evacuate — registration in advance of storm season is required.

Regional Context

Belknap County's composite risk score sits 12.5 points below the New Hampshire county average, reflecting a more favorable hazard environment than the state typical.

Is your household prepared for Belknap County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Belknap County, NH?
Belknap County has a FEMA National Risk Index rating of Relatively Low, placing it in the 57th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Belknap County?
Belknap County is evaluated for five major natural hazard types: hurricane (78th percentile), flooding (70th percentile), earthquake (60th percentile), tornado (31th percentile), wildfire (25th percentile). The highest-risk hazard is hurricane at the 78th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Belknap County risk compare to the New Hampshire average?
Belknap County's composite risk percentile is 57th, compared to the New Hampshire state average of 70th percentile. The state's overall risk rating is Relatively Low. This means Belknap County faces lower natural disaster risk than the typical county in New Hampshire.
Is Belknap County at risk for hurricane?
Yes, Belknap County's hurricane risk is at the 78th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Belknap County is at the 70th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Is Belknap County a safe place to live?
Belknap County's composite risk score of 57th percentile is below the New Hampshire state average of 70th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 78th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.