countyscore

Best Soil Quality Counties in Idaho

Soil composition, pH, drainage, and organic matter content Compare rankings across all 44 counties.

Average Soil Quality Score
3/100
Top County
Latah County
Counties Ranked
44

Top 10

#1
Latah County
ID
75/100
#2
Ada County
ID
61/100
#3
Adams County
ID
NaN/100
#4
Bannock County
ID
NaN/100
#5
Bear Lake County
ID
NaN/100
#6
Benewah County
ID
NaN/100
#7
Bingham County
ID
NaN/100
#8
Blaine County
ID
NaN/100
#9
Boise County
ID
NaN/100
#10
Bonner County
ID
NaN/100

All Idaho Counties Ranked

#CountySoil Quality ScoreOverall Score
1Latah County, ID
74.5
52.6
2Ada County, ID
61.1
45.3
3Adams County, ID
54.8
4Bannock County, ID
42.2
5Bear Lake County, ID
63.3
6Benewah County, ID
46.5
7Bingham County, ID
48.6
8Blaine County, ID
59.1
9Boise County, ID
57.3
10Bonner County, ID
50.6
11Bonneville County, ID
41.4
12Boundary County, ID
56.6
13Butte County, ID
63.2
14Camas County, ID
56.5
15Canyon County, ID
36.8
16Caribou County, ID
65.4
17Cassia County, ID
47.4
18Clark County, ID
54.1
19Clearwater County, ID
58.8
20Custer County, ID
59.8
21Elmore County, ID
42.5
22Franklin County, ID
59.6
23Fremont County, ID
63.6
24Gem County, ID
54.9
25Gooding County, ID
47.5
26Idaho County, ID
60
27Jefferson County, ID
52.8
28Jerome County, ID
40.4
29Kootenai County, ID
45.2
30Lemhi County, ID
54.5
31Lewis County, ID
55.6
32Lincoln County, ID
54
33Madison County, ID
53.7
34Minidoka County, ID
45.2
35Nez Perce County, ID
40.3
36Oneida County, ID
59.3
37Owyhee County, ID
49.3
38Payette County, ID
49.3
39Power County, ID
48
40Shoshone County, ID
47.6
41Teton County, ID
61.4
42Twin Falls County, ID
39.5
43Valley County, ID
54.3
44Washington County, ID
56.8

Data Source

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