#	County	Soil Quality Score	Overall Score
1	Fergus County, MT	59.4	56.6
2	Hill County, MT	55	34.1
3	Sheridan County, MT	50.7	49.3
4	Toole County, MT	48.6	49.1
5	Wibaux County, MT	47.2	63.2
6	Musselshell County, MT	46.2	59.7
7	Fallon County, MT	43.9	72.4
8	Valley County, MT	43.9	56.1
9	Richland County, MT	41.7	52.7
10	Carter County, MT	41.5	72.6
11	Dawson County, MT	41.2	47.7
12	Liberty County, MT	41.2	57.1
13	Yellowstone County, MT	41.2	32.6
14	McCone County, MT	38.6	75.3
15	Petroleum County, MT	37.8	80.1
16	Prairie County, MT	37.7	60.2
17	Custer County, MT	36.2	48
18	Garfield County, MT	35.2	67.7
19	Treasure County, MT	31.8	69.5
20	Beaverhead County, MT		63
21	Big Horn County, MT		42.9
22	Blaine County, MT		54.1
23	Broadwater County, MT		54.5
24	Carbon County, MT		64.8
25	Cascade County, MT		33.5
26	Chouteau County, MT		65.7
27	Daniels County, MT		67.8
28	Deer Lodge County, MT		48.9
29	Flathead County, MT		39.8
30	Gallatin County, MT		44.2
31	Glacier County, MT		52.6
32	Golden Valley County, MT		69.9
33	Granite County, MT		57.4
34	Jefferson County, MT		58
35	Judith Basin County, MT		77.5
36	Lake County, MT		40.5
37	Lewis and Clark County, MT		38.4
38	Lincoln County, MT		57.7
39	Madison County, MT		65.6
40	Meagher County, MT		65.5
41	Mineral County, MT		54.1
42	Missoula County, MT		35.1
43	Park County, MT		48.9
44	Phillips County, MT		62.3
45	Pondera County, MT		51.5
46	Powder River County, MT		67.7
47	Powell County, MT		59.4
48	Ravalli County, MT		58.4
49	Roosevelt County, MT		46.5
50	Rosebud County, MT		60.2
51	Sanders County, MT		60.6
52	Silver Bow County, MT		36.4
53	Stillwater County, MT		58.8
54	Sweet Grass County, MT		64.6
55	Teton County, MT		62.9
56	Wheatland County, MT		63.2

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