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Most Flood-Prone Counties in Missouri

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Missouri counties with the most recorded flood events. Douglas County tops the list with 381 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

RankCountyTotal EventsRiver FloodsFlash Floods
1Douglas County381203178
2Greene County37174297
3Howell County302107195
4Ozark County281155126
5Wright County270152118
6Barry County26884184
7Webster County26189172
8Newton County23849189
9Jasper County22679147
10McDonald County22369154
11Jackson County21168143
12Polk County20857151
13Cape Girardeau County19013753
14Laclede County18071109
15Henry County17915227
16Christian County17144127
17Lawrence County16654112
18Taney County16043117
19Cooper County15812533
20Texas County1576394
21Shannon County1547975
22Dallas County15048102
23Saline County14912029
24Barton County1476879
25Johnson County1419447
26Morgan County1324092
27Stone County1313497
28Wayne County1319338
29Benton County1293594
30Clay County1296663
31Chariton County12311112
32Buchanan County1219922
33Vernon County1203981
34Butler County1165858
35Phelps County1144470
36Platte County1116150
37Miller County1092089
38Camden County1093277
39Lafayette County1088424
40Dent County1085553
41Pulaski County1083375
42Howard County1038320
43Hickory County934251
44Oregon County913457
45St. Louis County892168
46Clark County854045
47Boone County841371
48Ripley County844539
49Maries County822260
50Perry County825230
51Scott County815922
52New Madrid County796415
53Carroll County765521
54Livingston County766511
55Cass County721557
56Bollinger County662442
57Dade County631548
58St. Clair County631152
59Carter County623230
60Stoddard County622636
61St. Charles County612140
62Nodaway County602931
63Daviess County593425
64Ray County583721
65Lincoln County561838
66Jefferson County561541
67Cedar County521240
68Franklin County521636
69Adair County471433
70Atchison County473611
71Mississippi County473710
72Callaway County44935
73Lewis County441727
74Macon County43637
75St. Louis city41833
76Osage County411130
77Cole County401426
78Grundy County39930
79Audrain County39534
80Dunklin County39533
81Crawford County38830
82Marion County381919
83Montgomery County37928
84Gasconade County351223
85Pettis County35530
86Moniteau County34727
87Ralls County321517
88Scotland County32230
89Warren County32923
90Andrew County311615
91St. Francois County30228
92Monroe County29326
93Knox County29425
94Pike County281414
95Shelby County28424
96Reynolds County27423
97Washington County26224
98Bates County26620
99Holt County25619
100Iron County25322
101Madison County25223
102Putnam County23122
103Caldwell County22913
104Linn County22418
105Clinton County21912
106DeKalb County21615
107Gentry County21120
108Ste. Genevieve County21615
109Harrison County20317
110Pemiscot County17313
111Randolph County16115
112Schuyler County14014
113Mercer County13112
114Sullivan County13310
115Worth County413

Source: NOAA Storm Events Database (1996–2025).

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