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
| # | County | Riverine Flood Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Hennepin County | High | 1.54 / yr | $188M | |
| 2 | Ramsey County | High | 0.71 / yr | $69M | |
| 3 | Anoka County | Medium | 0.61 / yr | $85M | |
| 4 | St. Louis County | Medium | 1.46 / yr | $50M | |
| 5 | Stearns County | Medium | 0.79 / yr | $48M | |
| 6 | Dakota County | Medium | 0.96 / yr | $57M | |
| 7 | Olmsted County | Medium | 1.43 / yr | $56M | |
| 8 | Crow Wing County | Medium | 0.57 / yr | $26M | |
| 9 | Washington County | Medium | 0.43 / yr | $41M | |
| 10 | Otter Tail County | Medium | 1.32 / yr | $21M | |
| 11 | Clay County | Medium | 1.64 / yr | $28M | |
| 12 | Morrison County | Medium | 0.71 / yr | $23M | |
| 13 | Winona County | Medium | 2.54 / yr | $20M | |
| 14 | Rice County | Medium | 0.71 / yr | $18M | |
| 15 | Itasca County | Medium | 0.39 / yr | $14M | |
| 16 | Mower County | Medium | 1.86 / yr | $16M | |
| 17 | Wright County | Medium | 0.71 / yr | $30M | |
| 18 | Scott County | Medium | 1.04 / yr | $27M | |
| 19 | Beltrami County | Low | 0.46 / yr | $14M | |
| 20 | Polk County | Low | 1.71 / yr | $13M | |
| 21 | Aitkin County | Low | 0.79 / yr | $10M | |
| 22 | Pine County | Low | 0.50 / yr | $12M | |
| 23 | Pennington County | Low | 0.50 / yr | $14M | |
| 24 | Fillmore County | Low | 1.39 / yr | $12M | |
| 25 | Blue Earth County | Low | 1.11 / yr | $12M | |
| 26 | Carlton County | Low | 0.64 / yr | $11M | |
| 27 | Cass County | Low | 0.14 / yr | $8M | |
| 28 | Sherburne County | Low | 0.21 / yr | $17M | |
| 29 | Benton County | Low | 0.39 / yr | $10M | |
| 30 | Wabasha County | Low | 2.14 / yr | $11M | |
| 31 | Carver County | Low | 0.89 / yr | $18M | |
| 32 | Roseau County | Low | 0.71 / yr | $10M | |
| 33 | Lyon County | Low | 1.46 / yr | $13M | |
| 34 | Todd County | Low | 0.43 / yr | $7M | |
| 35 | Chisago County | Low | 0.18 / yr | $13M | |
| 36 | Hubbard County | Low | 0.29 / yr | $8M | |
| 37 | Goodhue County | Low | 0.79 / yr | $14M | |
| 38 | Koochiching County | Low | 0.25 / yr | $6M | |
| 39 | Kandiyohi County | Low | 0.50 / yr | $7M | |
| 40 | Becker County | Low | 0.82 / yr | $7M | |
| 41 | Nicollet County | Low | 0.79 / yr | $8M | |
| 42 | Freeborn County | Low | 0.75 / yr | $7M | |
| 43 | Faribault County | Low | 0.82 / yr | $6M | |
| 44 | Nobles County | Low | 1.07 / yr | $5M | |
| 45 | Douglas County | Low | 0.32 / yr | $7M | |
| 46 | McLeod County | Low | 0.86 / yr | $7M | |
| 47 | Chippewa County | Low | 0.50 / yr | $5M | |
| 48 | Mille Lacs County | Low | 0.43 / yr | $7M | |
| 49 | Houston County | Low | 1.32 / yr | $9M | |
| 50 | Brown County | Low | 0.64 / yr | $8M | |
| 51 | Isanti County | Low | 0.21 / yr | $9M | |
| 52 | Steele County | Low | 0.75 / yr | $10M | |
| 53 | Renville County | Low | 0.79 / yr | $5M | |
| 54 | Martin County | Low | 0.61 / yr | $4M | |
| 55 | Redwood County | Low | 0.86 / yr | $5M | |
| 56 | Pope County | Low | 0.61 / yr | $5M | |
| 57 | Swift County | Low | 0.43 / yr | $4M | |
| 58 | Meeker County | Low | 0.36 / yr | $6M | |
| 59 | Le Sueur County | Very Low | 0.75 / yr | $7M | |
| 60 | Kanabec County | Very Low | 0.32 / yr | $5M | |
| 61 | Jackson County | Very Low | 1.50 / yr | $5M | |
| 62 | Sibley County | Very Low | 0.75 / yr | $6M | |
| 63 | Cottonwood County | Very Low | 1.61 / yr | $3M | |
| 64 | Lake County | Very Low | 0.29 / yr | $3M | |
| 65 | Yellow Medicine County | Very Low | 0.46 / yr | $4M | |
| 66 | Marshall County | Very Low | 1.36 / yr | $4M | |
| 67 | Lincoln County | Very Low | 1.00 / yr | $4M | |
| 68 | Wadena County | Very Low | 0.46 / yr | $3M | |
| 69 | Murray County | Very Low | 0.93 / yr | $3M | |
| 70 | Lac qui Parle County | Very Low | 0.54 / yr | $3M | |
| 71 | Watonwan County | Very Low | 0.61 / yr | $3M | |
| 72 | Waseca County | Very Low | 0.54 / yr | $3M | |
| 73 | Dodge County | Very Low | 0.79 / yr | $5M | |
| 74 | Cook County | Very Low | 0.43 / yr | $2M | |
| 75 | Pipestone County | Very Low | 1.96 / yr | $3M | |
| 76 | Lake of the Woods County | Very Low | 0.39 / yr | $4M | |
| 77 | Norman County | Very Low | 0.96 / yr | $2M | |
| 78 | Rock County | Very Low | 1.68 / yr | $3M | |
| 79 | Traverse County | Very Low | 0.82 / yr | $2M | |
| 80 | Big Stone County | Very Low | 0.54 / yr | $2M | |
| 81 | Kittson County | Very Low | 1.61 / yr | $3M | |
| 82 | Wilkin County | Very Low | 1.75 / yr | $2M | |
| 83 | Mahnomen County | Very Low | 0.54 / yr | $911K | |
| 84 | Clearwater County | Very Low | 0.50 / yr | $2M | |
| 85 | Stevens County | Very Low | 0.32 / yr | $2M | |
| 86 | Grant County | Very Low | 0.61 / yr | $2M | |
| 87 | Red Lake County | 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.