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Missouri landslide risk

115 counties scored 0 rated Very High

St. Louis County has the highest landslide risk in Missouri, scoring 97.6 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 St. Louis County 97.6 Relatively Moderate 0
2 Camden County 96.4 Relatively Moderate 0
3 Jefferson County 95.9 Relatively Moderate 0
4 St. Charles County 92.8 Relatively Moderate 0
5 Taney County 92.5 Relatively Moderate 0
6 Callaway County 91.5 Relatively Moderate 0
7 Stone County 89.7 Relatively Moderate 0
8 Boone County 88.8 Relatively Moderate 0
9 Franklin County 88.1 Relatively Moderate 0
10 Putnam County 87.6 Relatively Moderate 0
11 Adair County 85.6 Relatively Low 0
12 Reynolds County 84.9 Relatively Low 0
13 Howard County 84.5 Relatively Low 0
14 Montgomery County 84.3 Relatively Low 0
15 Pike County 84.1 Relatively Low 0
16 Wayne County 83.7 Relatively Low 0
17 Buchanan County 83 Relatively Low 0
18 Platte County 83 Relatively Low 0
19 Cape Girardeau County 82.6 Relatively Low 0
20 Lincoln County 82.4 Relatively Low 0
21 Jackson County 82.1 Relatively Low 0
22 Morgan County 82.1 Relatively Low 0
23 Macon County 81.8 Relatively Low 0
24 Miller County 81.7 Relatively Low 0
25 Sullivan County 81.3 Relatively Low 0
26 Shannon County 81 Relatively Low 0
27 Ray County 80.4 Relatively Low 0
28 Washington County 79.8 Relatively Low 0
29 Mercer County 79 Relatively Low 0
30 Carter County 78.8 Relatively Low 0
31 Ozark County 78.7 Relatively Low 0
32 Cole County 78.4 Relatively Low 0
33 Pulaski County 78.3 Relatively Low 0
34 Marion County 78 Relatively Low 0
35 Ste. Genevieve County 77.1 Relatively Low 0
36 Atchison County 76.8 Relatively Low 0
37 Butler County 76.2 Relatively Low 0
38 Osage County 76.1 Relatively Low 0
39 Clay County 76 Relatively Low 0
40 Douglas County 76 Relatively Low 0
41 Iron County 75.7 Relatively Low 0
42 Harrison County 74.5 Relatively Low 0
43 McDonald County 74.5 Relatively Low 0
44 Warren County 74.4 Relatively Low 0
45 Crawford County 74.2 Relatively Low 0
46 Barry County 74.1 Relatively Low 0
47 Ralls County 73.6 Relatively Low 0
48 Holt County 72.8 Relatively Low 0
49 Andrew County 72.2 Relatively Low 0
50 Christian County 72.2 Relatively Low 0
51 Lafayette County 71.7 Relatively Low 0
52 Schuyler County 71.5 Relatively Low 0
53 Bollinger County 70.6 Relatively Low 0
54 Nodaway County 70.5 Relatively Low 0
55 Scotland County 69.7 Relatively Low 0
56 Phelps County 69.4 Relatively Low 0
57 Randolph County 69.3 Relatively Low 0
58 Benton County 68.4 Relatively Low 0
59 Chariton County 68.3 Relatively Low 0
60 Madison County 67.8 Relatively Low 0
61 St. Francois County 67.8 Relatively Low 0
62 Howell County 67.6 Relatively Low 0
63 Daviess County 66 Relatively Low 0
64 Oregon County 65.9 Relatively Low 0
65 Stoddard County 65.5 Relatively Low 0
66 Texas County 65 Relatively Low 0
67 Gasconade County 64.9 Relatively Low 0
68 Clark County 64.7 Relatively Low 0
69 Lewis County 64.1 Relatively Low 0
70 Perry County 63.5 Relatively Low 0
71 Saline County 62.5 Relatively Low 0
72 Pettis County 62.4 Relatively Low 0
73 Ripley County 62.3 Very Low 0
74 Worth County 62.2 Very Low 0
75 Grundy County 61.9 Very Low 0
76 Wright County 61.8 Very Low 0
77 Gentry County 60.2 Very Low 0
78 Johnson County 60.2 Very Low 0
79 Linn County 59.5 Very Low 0
80 Dent County 58.5 Very Low 0
81 Livingston County 56.1 Very Low 0
82 Laclede County 55.8 Very Low 0
83 Scott County 55.7 Very Low 0
84 Henry County 55.6 Very Low 0
85 Knox County 55.5 Very Low 0
86 Monroe County 54.6 Very Low 0
87 Greene County 54.4 Very Low 0
88 Clinton County 53.4 Very Low 0
89 Carroll County 52.4 Very Low 0
90 Maries County 52 Very Low 0
91 Cass County 51.6 Very Low 0
92 Newton County 50.7 Very Low 0
93 Webster County 49 Very Low 0
94 Caldwell County 48 Very Low 0
95 DeKalb County 48 Very Low 0
96 St. Louis 46 Very Low 0
97 Vernon County 45 Very Low 0
98 Audrain County 42.2 Very Low 0
99 Hickory County 42 Very Low 0
100 Bates County 41 Very Low 0
101 Dallas County 39 Very Low 0
102 Moniteau County 37.9 Very Low 0
103 Cooper County 37.8 Very Low 0
104 Shelby County 37.1 Very Low 0
105 Barton County 34.1 Very Low 0
106 Jasper County 32.6 Very Low 0
107 St. Clair County 32.5 Very Low 0
108 New Madrid County 31.9 Very Low 0
109 Polk County 30.4 Very Low 0
110 Dunklin County 29.4 Very Low 0
111 Pemiscot County 26.7 Very Low 0
112 Lawrence County 23.8 Very Low 0
113 Cedar County 21.1 Very Low 0
114 Dade County 17.8 Very Low 0
115 Mississippi County 13.3 Very Low 0

Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.

Landslide risk nationally:

Top 50 US counties

Other hazard risks in Missouri:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneHailStrong WindWinter WeatherIce StormCold WaveLightningDroughtAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest landslide risk county in Missouri?

St. Louis County, MO has the highest landslide risk in Missouri, with a FEMA National Risk Index score of 97.6 out of 100 (rated "Relatively Moderate").

What causes landslide risk in Missouri?

Landslide risk covers expected losses from hillslope failures, rockfalls, and debris flows triggered by heavy rainfall, snowmelt, wildfire, or earthquakes. High scores concentrate in the Pacific Northwest, California coastal ranges, Appalachians, and Rocky Mountain foothills, where steep terrain combines with intense precipitation or seismic activity.