How many counties in New Hampshire are at high risk?

New Hampshire has 10 counties. The overall state risk rating is "Very High" with a score of 69.9.

What is the wildfire risk in New Hampshire?

New Hampshire's statewide wildfire risk is rated "Very High" with a score of 32.9.

Which county in New Hampshire has the highest risk?

Hillsborough County has the highest overall risk score at 0.0.

Natural Hazard Risk in New Hampshire

10 counties — Overall risk: Very High

📊

Counties

👥

Population

1,377,074

⚠️

Overall Risk

69.9

Very High

🔥

Wildfire Risk

32.9

Very High

Hazard Risk Overview

❄️

Ice Storm

82.4

Very High

🌀

Hurricane

80.1

Very High

🌊

Riverine Flooding

79.9

Very High

⛰️

Landslide

78.7

Very High

⚡

Lightning

75.8

Very High

⛄

Winter Weather

72.8

Very High

🏖️

Coastal Flooding

68.7

Very High

🏔️

Earthquake

67.2

Very High

🥶

Cold Wave

52.4

Very High

🌡️

Heat Wave

49.0

Very High

Highest Risk Counties in New Hampshire

Hillsborough

Score: 89.8

Relatively Moderate 2

Rockingham

Score: 85.8

Relatively Moderate 3

Grafton

Score: 81.8

Relatively Moderate 4

Merrimack

Score: 78.2

Relatively Low 5

Coos

Score: 72.8

Relatively Low 6

Carroll

Score: 71.0

Relatively Low

All 10 Counties in New Hampshire

County	Risk Score	Rating	Top Hazard
Hillsborough	89.8
Rockingham	85.8
Grafton	81.8
Merrimack	78.2
Coos	72.8
Carroll	71.0
Strafford	64.1
Cheshire	60.5
Belknap	57.4
Sullivan	37.6

Natural Hazard Risk in New Hampshire

Hazard Risk Overview

Highest Risk Counties in New Hampshire

All 10 Counties in New Hampshire

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