countyscore

Best Disaster Risk Counties in New Hampshire

FEMA National Risk Index — flood, fire, tornado, and more Compare rankings across all 10 counties.

Average Disaster Risk Score
30/100
Top County
Sullivan County
Counties Ranked
10

Top 10

#1
Sullivan County
NH
63/100
#2
Belknap County
NH
43/100
#3
Cheshire County
NH
40/100
#4
Strafford County
NH
36/100
#5
Carroll County
NH
29/100
#6
Coos County
NH
27/100
#7
Merrimack County
NH
22/100
#8
Grafton County
NH
18/100
#9
Rockingham County
NH
14/100
#10
Hillsborough County
NH
10/100

All New Hampshire Counties Ranked

#CountyDisaster Risk ScoreOverall Score
1Sullivan County, NH
62.5
42.8
2Belknap County, NH
42.6
38.3
3Cheshire County, NH
39.5
43.4
4Strafford County, NH
35.9
40.2
5Carroll County, NH
29
49
6Coos County, NH
27.2
41.2
7Merrimack County, NH
21.8
43.6
8Grafton County, NH
18.2
44.5
9Rockingham County, NH
14.2
48.9
10Hillsborough County, NH
10.2
39.3

Data Source

Disaster Risk data from RiskByCounty. See full details at RiskByCounty. Data updated February 2026.