Riverine Flood Risk in Minnesota

All Minnesota 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 87 of 87 Minnesota counties in FEMA's National Risk Index. Hennepin County carries the state's highest riverine flood score at 98.0, with $188M in expected annual riverine flood losses.

2 Minnesota counties are rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $1.28B 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 Hennepin County
98.0
High 1.54 / yr $188M
2 Ramsey County
93.8
High 0.71 / yr $69M
3 Anoka County
92.0
Medium 0.61 / yr $85M
4 St. Louis County
91.8
Medium 1.46 / yr $50M
5 Stearns County
90.9
Medium 0.79 / yr $48M
6 Dakota County
88.7
Medium 0.96 / yr $57M
7 Olmsted County
86.9
Medium 1.43 / yr $56M
8 Crow Wing County
84.2
Medium 0.57 / yr $26M
9 Washington County
83.5
Medium 0.43 / yr $41M
10 Otter Tail County
83.4
Medium 1.32 / yr $21M
11 Clay County
82.4
Medium 1.64 / yr $28M
12 Morrison County
80.2
Medium 0.71 / yr $23M
13 Winona County
78.8
Medium 2.54 / yr $20M
14 Rice County
77.4
Medium 0.71 / yr $18M
15 Itasca County
75.4
Medium 0.39 / yr $14M
16 Mower County
75.0
Medium 1.86 / yr $16M
17 Wright County
74.7
Medium 0.71 / yr $30M
18 Scott County
73.0
Medium 1.04 / yr $27M
19 Beltrami County
72.6
Low 0.46 / yr $14M
20 Polk County
69.8
Low 1.71 / yr $13M
21 Aitkin County
69.4
Low 0.79 / yr $10M
22 Pine County
69.3
Low 0.50 / yr $12M
23 Pennington County
67.8
Low 0.50 / yr $14M
24 Fillmore County
66.2
Low 1.39 / yr $12M
25 Blue Earth County
65.9
Low 1.11 / yr $12M
26 Carlton County
64.0
Low 0.64 / yr $11M
27 Cass County
63.2
Low 0.14 / yr $8M
28 Sherburne County
62.5
Low 0.21 / yr $17M
29 Benton County
61.7
Low 0.39 / yr $10M
30 Wabasha County
61.1
Low 2.14 / yr $11M
31 Carver County
60.4
Low 0.89 / yr $18M
32 Roseau County
60.0
Low 0.71 / yr $10M
33 Lyon County
57.2
Low 1.46 / yr $13M
34 Todd County
56.2
Low 0.43 / yr $7M
35 Chisago County
55.7
Low 0.18 / yr $13M
36 Hubbard County
54.6
Low 0.29 / yr $8M
37 Goodhue County
53.6
Low 0.79 / yr $14M
38 Koochiching County
52.3
Low 0.25 / yr $6M
39 Kandiyohi County
52.2
Low 0.50 / yr $7M
40 Becker County
52.2
Low 0.82 / yr $7M
41 Nicollet County
50.3
Low 0.79 / yr $8M
42 Freeborn County
49.1
Low 0.75 / yr $7M
43 Faribault County
49.0
Low 0.82 / yr $6M
44 Nobles County
48.5
Low 1.07 / yr $5M
45 Douglas County
48.2
Low 0.32 / yr $7M
46 McLeod County
46.5
Low 0.86 / yr $7M
47 Chippewa County
46.3
Low 0.50 / yr $5M
48 Mille Lacs County
46.2
Low 0.43 / yr $7M
49 Houston County
46.0
Low 1.32 / yr $9M
50 Brown County
44.5
Low 0.64 / yr $8M
51 Isanti County
44.0
Low 0.21 / yr $9M
52 Steele County
42.2
Low 0.75 / yr $10M
53 Renville County
39.4
Low 0.79 / yr $5M
54 Martin County
39.3
Low 0.61 / yr $4M
55 Redwood County
39.3
Low 0.86 / yr $5M
56 Pope County
36.7
Low 0.61 / yr $5M
57 Swift County
36.4
Low 0.43 / yr $4M
58 Meeker County
36.3
Low 0.36 / yr $6M
59 Le Sueur County
34.6
Very Low 0.75 / yr $7M
60 Kanabec County
34.5
Very Low 0.32 / yr $5M
61 Jackson County
33.2
Very Low 1.50 / yr $5M
62 Sibley County
31.2
Very Low 0.75 / yr $6M
63 Cottonwood County
30.9
Very Low 1.61 / yr $3M
64 Lake County
29.8
Very Low 0.29 / yr $3M
65 Yellow Medicine County
29.3
Very Low 0.46 / yr $4M
66 Marshall County
29.2
Very Low 1.36 / yr $4M
67 Lincoln County
28.9
Very Low 1.00 / yr $4M
68 Wadena County
27.6
Very Low 0.46 / yr $3M
69 Murray County
25.8
Very Low 0.93 / yr $3M
70 Lac qui Parle County
25.6
Very Low 0.54 / yr $3M
71 Watonwan County
24.9
Very Low 0.61 / yr $3M
72 Waseca County
24.4
Very Low 0.54 / yr $3M
73 Dodge County
23.9
Very Low 0.79 / yr $5M
74 Cook County
19.8
Very Low 0.43 / yr $2M
75 Pipestone County
18.5
Very Low 1.96 / yr $3M
76 Lake of the Woods County
17.7
Very Low 0.39 / yr $4M
77 Norman County
17.6
Very Low 0.96 / yr $2M
78 Rock County
15.1
Very Low 1.68 / yr $3M
79 Traverse County
13.7
Very Low 0.82 / yr $2M
80 Big Stone County
13.6
Very Low 0.54 / yr $2M
81 Kittson County
13.5
Very Low 1.61 / yr $3M
82 Wilkin County
12.6
Very Low 1.75 / yr $2M
83 Mahnomen County
11.5
Very Low 0.54 / yr $911K
84 Clearwater County
10.9
Very Low 0.50 / yr $2M
85 Stevens County
10.6
Very Low 0.32 / yr $2M
86 Grant County
8.7
Very Low 0.61 / yr $2M
87 Red Lake County
8.2
Very Low 0.54 / yr $2M

87 Minnesota counties with measurable riverine flood risk. See the national riverine flood ranking or all Minnesota counties by overall risk.

Frequently Asked Questions

Which Minnesota county has the highest riverine flood risk?

Hennepin County has the highest FEMA riverine flood risk score in Minnesota at 98.0 (High), with $188M in expected annual losses and about 1.54 events per year.

How many Minnesota counties face significant riverine flood risk?

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

Other Hazards in Minnesota