Best placesNew HampshireNatural Disaster Risk

Lowest Natural Disaster Risk Counties in New Hampshire (2026)

Coos has the lowest natural disaster risk of any county in New Hampshire, at 39.9, followed by Grafton and Carroll. Source: FEMA National Risk Index, FEMA NRI v1.20. The full ranking of the top 10 counties is below.

Source: FEMA National Risk Index

Map of natural disaster risk
US map of natural disaster risk

natural disaster risk

Lowest natural disaster risk in New Hampshire

#1 Coos39.9

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Lowest counties for natural disaster risk in New Hampshire

Top 10 of 10 counties with data.

Ranked by natural disaster risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first.

Lowest counties for natural disaster risk in New Hampshire

RankCountyValue
01
Coos39.9
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How this ranking works

This page ranks New Hampshire counties by natural disaster risk, sorted so the lowest places appear first. Click any county to see its housing, schools, crime, and demographics in detail.

For natural disaster risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh natural disaster risk against schools, taxes, commute, and more at once? Use the live map to build a custom match.

Data comes from public sources. Source attribution and the exact data vintage are shown above and on the full map of natural disaster risk.

Frequently asked questions

Which county in New Hampshire has the lowest natural disaster risk?
Coos has the lowest natural disaster risk in New Hampshire, at 39.9.
What is the natural disaster risk in Coos?
Coos is ranked #1 in New Hampshire for natural disaster risk, at 39.9.
What are the top counties in New Hampshire for natural disaster risk?
Coos (39.9), then Grafton (43.6), and Carroll (44.7). The full top 10 is in the table on this page.
How is this natural disaster risk ranking calculated?
Counties in New Hampshire are ranked by natural disaster risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.
How does New Hampshire compare to the rest of the US for natural disaster risk?
This list is New Hampshire only. See the national ranking of the lowest counties for natural disaster risk at hearthmap.app/best/lowest-natural-disaster-risk.

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See these New Hampshire counties on the live map.