countyscore

Best Soil Quality Counties in New Hampshire

Soil composition, pH, drainage, and organic matter content Compare rankings across all 10 counties.

Average Soil Quality Score
30/100
Top County
Grafton County
Counties Ranked
10

Top 10

#1
Grafton County
NH
67/100
#2
Cheshire County
NH
66/100
#3
Sullivan County
NH
66/100
#4
Rockingham County
NH
54/100
#5
Strafford County
NH
46/100
#6
Belknap County
NH
NaN/100
#7
Carroll County
NH
NaN/100
#8
Coos County
NH
NaN/100
#9
Hillsborough County
NH
NaN/100
#10
Merrimack County
NH
NaN/100

All New Hampshire Counties Ranked

#CountySoil Quality ScoreOverall Score
1Grafton County, NH
66.7
44.5
2Cheshire County, NH
66.2
43.4
3Sullivan County, NH
65.9
42.8
4Rockingham County, NH
54
48.9
5Strafford County, NH
46
40.2
6Belknap County, NH
38.3
7Carroll County, NH
49
8Coos County, NH
41.2
9Hillsborough County, NH
39.3
10Merrimack County, NH
43.6

Data Source

Soil Quality data from SoilByCounty. See full details at SoilByCounty. Data updated February 2026.