countyscore

Best Soil Quality Counties in Louisiana

Soil composition, pH, drainage, and organic matter content Compare rankings across all 64 counties.

Average Soil Quality Score
55/100
Top County
Plaquemines Parish
Counties Ranked
64

Top 10

#1
Plaquemines Parish
LA
97/100
#2
St. John the Baptist Parish
LA
95/100
#3
Cameron Parish
LA
93/100
#4
St. Bernard Parish
LA
90/100
#5
Lafourche Parish
LA
87/100
#6
Jefferson Parish
LA
86/100
#7
St. Mary Parish
LA
86/100
#8
Orleans Parish
LA
85/100
#9
Vermilion Parish
LA
84/100
#10
St. Charles Parish
LA
81/100

All Louisiana Counties Ranked

#CountySoil Quality ScoreOverall Score
1Plaquemines Parish, LA
96.9
54.9
2St. John the Baptist Parish, LA
94.8
43.2
3Cameron Parish, LA
92.6
75.1
4St. Bernard Parish, LA
89.6
42.5
5Lafourche Parish, LA
87
47.1
6Jefferson Parish, LA
85.9
34.2
7St. Mary Parish, LA
85.5
48.9
8Orleans Parish, LA
84.5
24
9Vermilion Parish, LA
84.2
57.6
10St. Charles Parish, LA
80.8
48.8
11Terrebonne Parish, LA
77.6
43.5
12Assumption Parish, LA
76.1
69.4
13Iberia Parish, LA
71.8
59.3
14Iberville Parish, LA
71.6
52.2
15Ascension Parish, LA
70.5
41.2
16St. James Parish, LA
68.6
51.8
17Livingston Parish, LA
67.6
43.3
18St. Martin Parish, LA
64.1
47.6
19St. Tammany Parish, LA
63.6
44.1
20Calcasieu Parish, LA
62.4
44.6
21Pointe Coupee Parish, LA
61.1
54.3
22Jefferson Davis Parish, LA
59.6
53.1
23West Baton Rouge Parish, LA
58.3
46.9
24Lafayette Parish, LA
56.8
34.3
25Avoyelles Parish, LA
56.5
58.3
26West Feliciana Parish, LA
56.3
65.8
27Tangipahoa Parish, LA
55.6
34.1
28Concordia Parish, LA
55.4
45.8
29St. Landry Parish, LA
55.2
46.1
30Richland Parish, LA
55.1
58.1
31Madison Parish, LA
53.7
56.6
32Morehouse Parish, LA
52.5
42.2
33East Feliciana Parish, LA
52.1
61.8
34Acadia Parish, LA
51.8
55.4
35Evangeline Parish, LA
51.1
50.6
36East Carroll Parish, LA
50.9
63.3
37Tensas Parish, LA
49.3
59.6
38West Carroll Parish, LA
48.9
68.4
39Grant Parish, LA
48.6
53.8
40Red River Parish, LA
48.2
64.2
41Franklin Parish, LA
47.5
54
42Catahoula Parish, LA
45.3
58.9
43East Baton Rouge Parish, LA
44.9
31.4
44Washington Parish, LA
44.3
46.4
45Bossier Parish, LA
44
36.2
46Caldwell Parish, LA
42.8
58.8
47Caddo Parish, LA
42.3
47.7
48St. Helena Parish, LA
41.9
46.9
49Rapides Parish, LA
41.6
36
50Winn Parish, LA
41
67.8
51Natchitoches Parish, LA
40.1
63.1
52LaSalle Parish, LA
38.4
70.9
53Ouachita Parish, LA
36.2
35.3
54Allen Parish, LA
33.4
68.4
55De Soto Parish, LA
32.2
65.1
56Beauregard Parish, LA
29.9
57.1
57Vernon Parish, LA
26.6
64.4
58Webster Parish, LA
26.4
58.1
59Bienville Parish, LA
26.1
64.2
60Union Parish, LA
24.4
66.8
61Jackson Parish, LA
24.2
64.2
62Sabine Parish, LA
24
63.8
63Claiborne Parish, LA
23
68.8
64Lincoln Parish, LA
20.8
49.8

Data Source

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