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Flood history in Missouri

Missouri has 517 county-level flood declarations across 115 counties. Platte County leads with 10 declarations. Total tracked FEMA obligations for flood events in this state: $261.4M.

This page shows every Missouri county in Missouri that has at least one FEMA flood declaration on record, ranked by how many times that hazard type triggered federal aid. Counties near the top of this list have recurring exposure to flood events — useful context for anyone evaluating property risk, insurance needs, or emergency planning in the area.

For the full national view of flood declarations across all states, see the flood disaster type page. For all hazard types in Missouri, see the Missouri state page.

Flood in Missouri

Counties ranked by flood declaration count

#CountyDeclarationsTracked aid
1Platte County10$2.7M
2St. Louis County10$76.1M
3Andrew County9$873K
4Buchanan County9$5.5M
5Franklin County9$6.6M
6St. Charles County9$10.5M
7Atchison County8$6.9M
8Clay County8$0
9Holt County8$11.9M
10Ray County8$2.3M
11Carroll County7$1.1M
12Cole County7$12.4M
13Gasconade County7$803K
14Jackson County7$0
15Jefferson County7$7.8M
16Lafayette County7$109K
17Ste. Genevieve County7$1.7M
18Boone County6$191K
19Callaway County6$0
20Cape Girardeau County6$1.4M
21Clark County6$0
22Cooper County6$397K
23Greene County6$2.1M
24Howard County6$124K
25Moniteau County6$0
26Montgomery County6$88K
27Newton County6$3.2M
28Osage County6$395K
29Perry County6$1.8M
30Pike County6$236K
31Ralls County6$272K
32Saline County6$1.1M
33Barry County5$3.3M
34Barton County5$160K
35Caldwell County5$0
36Clinton County5$0
37Crawford County5$674K
38Jasper County5$1.0M
39Lewis County5$0
40Lincoln County5$587K
41McDonald County5$2.3M
42Mississippi County5$490K
43Morgan County5$216K
44New Madrid County5$29K
45Pemiscot County5$250K
46Phelps County5$2.0M
47Scott County5$529K
48St. Louis city5$18.7M
49Warren County5$0
50Washington County5$296K
51Wayne County5$1.1M
52Webster County5$2.9M
53Bollinger County4$393K
54Camden County4$877K
55Chariton County4$31K
56Dallas County4$320K
57DeKalb County4$0
58Douglas County4$1.5M
59Howell County4$5.4M
60Iron County4$334K
61Johnson County4$0
62Lawrence County4$814K
63Maries County4$733K
64Miller County4$282K
65Nodaway County4$0
66Ozark County4$3.4M
67Pulaski County4$19.1M
68Scotland County4$0
69St. Clair County4$20K
70St. Francois County4$38K
71Stone County4$899K
72Taney County4$2.8M
73Texas County4$4.8M
74Wright County4$405K
75Adair County3$0
76Audrain County3$0
77Bates County3$0
78Butler County3$2.3M
79Carter County3$11.9M
80Cass County3$0
81Cedar County3$504K
82Christian County3$454K
83Dade County3$736K
84Daviess County3$0
85Dunklin County3$639K
86Gentry County3$0
87Hickory County3$2K
88Knox County3$0
89Laclede County3$95K
90Marion County3$0
91Pettis County3$0
92Polk County3$6K
93Reynolds County3$2.3M
94Ripley County3$1.9M
95Shannon County3$4.0M
96Shelby County3$0
97Stoddard County3$62K
98Vernon County3$0
99Worth County3$0
100Benton County2$0
101Dent County2$130K
102Harrison County2$0
103Henry County2$0
104Livingston County2$0
105Macon County2$0
106Madison County2$648K
107Mercer County2$0
108Oregon County2$601K
109Putnam County2$0
110Schuyler County2$0
111Grundy County1$0
112Linn County1$0
113Monroe County1$0
114Randolph County1$0
115Sullivan County1$0