Riverine Flood Risk in Kansas

All Kansas counties ranked by FEMA National Risk Index riverine flood score

Riverine Flood risk — rivers and streams overflowing their banks after heavy rain or snowmelt — is rated for 105 of 105 Kansas counties in FEMA's National Risk Index. Sedgwick County carries the state's highest riverine flood score at 96.1, with $101M in expected annual riverine flood losses.

2 Kansas counties are rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $634M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Riverine Flood

#CountyRiverine Flood ScoreRatingAnn. Freq.Ann. Loss
1 Sedgwick County
96.1
High 3.61 / yr $101M
2 Johnson County
94.9
High 2.54 / yr $110M
3 Shawnee County
90.0
Medium 2.50 / yr $40M
4 Wyandotte County
84.7
Medium 1.46 / yr $22M
5 Douglas County
72.8
Low 2.00 / yr $20M
6 Reno County
70.9
Low 1.71 / yr $14M
7 Montgomery County
70.5
Low 2.11 / yr $11M
8 Crawford County
68.9
Low 3.04 / yr $11M
9 Labette County
68.7
Low 1.93 / yr $9M
10 Butler County
67.7
Low 3.04 / yr $15M
11 Leavenworth County
61.8
Low 3.71 / yr $13M
12 Riley County
59.9
Low 1.29 / yr $13M
13 Saline County
58.8
Low 1.43 / yr $11M
14 Cowley County
56.3
Low 1.43 / yr $8M
15 Cherokee County
54.8
Low 4.18 / yr $7M
16 Lyon County
49.3
Low 2.25 / yr $8M
17 Dickinson County
48.6
Low 1.32 / yr $6M
18 Franklin County
48.0
Low 1.57 / yr $7M
19 Miami County
46.9
Low 1.64 / yr $8M
20 Sumner County
46.7
Low 1.79 / yr $7M
21 Barton County
42.7
Low 1.54 / yr $5M
22 Coffey County
41.2
Low 1.14 / yr $4M
23 Geary County
40.8
Low 1.07 / yr $7M
24 Bourbon County
40.1
Low 2.43 / yr $4M
25 Neosho County
39.9
Low 1.43 / yr $6M
26 Harvey County
38.9
Low 1.00 / yr $8M
27 Finney County
37.8
Low 0.43 / yr $4M
28 Ford County
37.5
Low 0.96 / yr $5M
29 Marion County
36.0
Low 1.21 / yr $4M
30 Ellis County
34.4
Very Low 1.43 / yr $6M
31 Pottawatomie County
34.0
Very Low 1.04 / yr $6M
32 McPherson County
33.2
Very Low 1.54 / yr $6M
33 Jefferson County
32.6
Very Low 1.82 / yr $6M
34 Osage County
30.2
Very Low 1.68 / yr $3M
35 Marshall County
29.2
Very Low 1.04 / yr $4M
36 Morris County
27.8
Very Low 1.11 / yr $2M
37 Wabaunsee County
27.2
Very Low 1.32 / yr $4M
38 Jackson County
27.0
Very Low 0.93 / yr $3M
39 Greenwood County
26.6
Very Low 1.46 / yr $3M
40 Allen County
26.3
Very Low 1.68 / yr $4M
41 Wilson County
25.7
Very Low 1.39 / yr $4M
42 Ottawa County
24.0
Very Low 1.18 / yr $3M
43 Nemaha County
23.3
Very Low 0.89 / yr $3M
44 Linn County
22.9
Very Low 1.68 / yr $3M
45 Clay County
22.4
Very Low 0.93 / yr $3M
46 Cloud County
22.3
Very Low 0.71 / yr $3M
47 Rice County
22.2
Very Low 1.21 / yr $3M
48 Atchison County
21.7
Very Low 1.86 / yr $4M
49 Mitchell County
21.2
Very Low 0.61 / yr $3M
50 Pawnee County
20.7
Very Low 0.46 / yr $3M
51 Chase County
20.3
Very Low 0.79 / yr $3M
52 Kingman County
20.1
Very Low 0.89 / yr $2M
53 Phillips County
20.0
Very Low 0.61 / yr $2M
54 Anderson County
19.2
Very Low 1.86 / yr $2M
55 Washington County
18.9
Very Low 0.61 / yr $3M
56 Osborne County
18.5
Very Low 0.71 / yr $2M
57 Elk County
17.8
Very Low 0.82 / yr $2M
58 Brown County
17.7
Very Low 0.86 / yr $3M
59 Doniphan County
16.6
Very Low 0.61 / yr $2M
60 Harper County
16.3
Very Low 1.07 / yr $2M
61 Ellsworth County
16.1
Very Low 0.86 / yr $2M
62 Lincoln County
15.6
Very Low 0.82 / yr $2M
63 Pratt County
15.2
Very Low 0.61 / yr $2M
64 Seward County
14.8
Very Low 0.39 / yr $2M
65 Republic County
14.5
Very Low 0.79 / yr $2M
66 Ness County
14.3
Very Low 0.50 / yr $2M
67 Jewell County
13.4
Very Low 0.39 / yr $1M
68 Woodson County
13.2
Very Low 0.71 / yr $1M
69 Scott County
12.1
Very Low 0.21 / yr $1M
70 Chautauqua County
11.8
Very Low 0.96 / yr $1M
71 Barber County
10.6
Very Low 0.61 / yr $2M
72 Edwards County
10.5
Very Low 0.32 / yr $1M
73 Gray County
10.2
Very Low 0.32 / yr $1M
74 Smith County
10.1
Very Low 0.46 / yr $1M
75 Russell County
9.9
Very Low 1.04 / yr $1M
76 Norton County
9.7
Very Low 0.43 / yr $1M
77 Cheyenne County
8.6
Very Low 0.82 / yr $836K
78 Stafford County
7.9
Very Low 0.43 / yr $1M
79 Sherman County
7.9
Very Low 1.29 / yr $1M
80 Decatur County
7.2
Very Low 0.54 / yr $1M
81 Rawlins County
7.0
Very Low 0.93 / yr $1M
82 Thomas County
6.3
Very Low 0.86 / yr $1M
83 Rush County
6.3
Very Low 0.82 / yr $1M
84 Logan County
6.2
Very Low 1.61 / yr $765K
85 Rooks County
5.2
Very Low 0.71 / yr $1M
86 Gove County
5.2
Very Low 1.14 / yr $1M
87 Stevens County
5.1
Very Low 0.29 / yr $472K
88 Kiowa County
4.8
Very Low 0.21 / yr $687K
89 Graham County
4.5
Very Low 0.68 / yr $634K
90 Wichita County
4.4
Very Low 0.54 / yr $736K
91 Hodgeman County
4.3
Very Low 0.57 / yr $890K
92 Trego County
3.6
Very Low 0.29 / yr $814K
93 Wallace County
3.3
Very Low 0.71 / yr $557K
94 Kearny County
3.2
Very Low 0.43 / yr $692K
95 Grant County
3.1
Very Low 0.36 / yr $679K
96 Meade County
2.9
Very Low 0.46 / yr $636K
97 Comanche County
2.8
Very Low 0.32 / yr $402K
98 Lane County
2.4
Very Low 0.25 / yr $595K
99 Sheridan County
2.2
Very Low 0.39 / yr $615K
100 Haskell County
1.8
Very Low 0.21 / yr $417K
101 Clark County
1.5
Very Low 0.29 / yr $349K
102 Hamilton County
1.4
Very Low 0.25 / yr $378K
103 Stanton County
1.2
Very Low 0.61 / yr $260K
104 Greeley County
1.2
Very Low 0.57 / yr $358K
105 Morton County
0.9
Very Low 0.21 / yr $293K

105 Kansas counties with measurable riverine flood risk. See the national riverine flood ranking or all Kansas counties by overall risk.

Frequently Asked Questions

Which Kansas county has the highest riverine flood risk?

Sedgwick County has the highest FEMA riverine flood risk score in Kansas at 96.1 (High), with $101M in expected annual losses and about 3.61 events per year.

How many Kansas counties face significant riverine flood risk?

105 Kansas counties record measurable riverine flood risk in FEMA's National Risk Index; 2 of them are rated High or Very High.

Other Hazards in Kansas

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