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Most Flood-Prone Counties in Kansas

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Kansas counties with the most recorded flood events. Sedgwick County tops the list with 220 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

RankCountyTotal EventsRiver FloodsFlash Floods
1Sedgwick County22093127
2Cherokee County15425129
3Butler County1344886
4Shawnee County1072186
5Johnson County991584
6Crawford County971285
7Leavenworth County891871
8Montgomery County863848
9Bourbon County79871
10Lyon County731261
11Anderson County721062
12Sumner County703040
13Jefferson County691653
14Douglas County68959
15Logan County672146
16McPherson County674423
17Labette County642638
18Barton County623527
19Cowley County621844
20Marion County612437
21Ford County581741
22Franklin County561046
23Allen County553124
24Saline County553025
25Osage County551144
26Sherman County541143
27Reno County522824
28Wilson County521933
29Greenwood County512526
30Dickinson County471037
31Neosho County472324
32Riley County45243
33Ellis County441727
34Ottawa County431528
35Wyandotte County421032
36Rice County412516
37Cheyenne County40337
38Coffey County39633
39Morris County39732
40Gove County39930
41Wabaunsee County39435
42Marshall County38434
43Elk County361224
44Miami County36927
45Nemaha County36630
46Harvey County361917
47Atchison County341618
48Chautauqua County341519
49Clay County34331
50Thomas County34925
51Ellsworth County331419
52Geary County33132
53Harper County331023
54Brown County32626
55Pottawatomie County31328
56Russell County301614
57Jackson County29623
58Kingman County291712
59Linn County291118
60Woodson County28523
61Graham County27522
62Lincoln County271215
63Rawlins County27522
64Rush County25718
65Republic County24024
66Rooks County23320
67Chase County231013
68Wallace County21417
69Barber County20119
70Doniphan County20713
71Pawnee County20164
72Pratt County20515
73Comanche County19910
74Greeley County19613
75Osborne County19613
76Phillips County19514
77Cloud County19316
78Stanton County19613
79Mitchell County18315
80Washington County17413
81Finney County15411
82Meade County15114
83Norton County1569
84Decatur County15312
85Wichita County15213
86Smith County15510
87Gray County1358
88Kearny County13310
89Seward County13310
90Ness County13310
91Jewell County1239
92Stafford County1266
93Stevens County12111
94Sheridan County11110
95Grant County1156
96Hodgeman County1055
97Trego County1028
98Kiowa County954
99Clark County835
100Hamilton County844
101Edwards County752
102Scott County770
103Morton County725
104Haskell County615
105Lane County651

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

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