Coastal Flood Risk in Minnesota

All Minnesota counties ranked by FEMA National Risk Index coastal flood score

Coastal Flood risk — seawater inundation from storm surge, high tides, and rising sea levels — is rated for 3 of 87 Minnesota counties in FEMA's National Risk Index. St. Louis County carries the state's highest coastal flood score at 35.0, with $9K in expected annual coastal flood losses.

No Minnesota county reaches the High band for coastal flood, and expected annual losses from coastal flood total roughly $9K statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Coastal Flood

#CountyCoastal Flood ScoreRatingAnn. Freq.Ann. Loss
1 St. Louis County
35.0
Very Low 0.01 / yr $9K
2 Cook County
14.4
Very Low 0.00 / yr $0
3 Lake County
13.6
Very Low 0.00 / yr $0

3 Minnesota counties with measurable coastal flood risk. See the national coastal flood ranking or all Minnesota counties by overall risk.

Frequently Asked Questions

Which Minnesota county has the highest coastal flood risk?

St. Louis County has the highest FEMA coastal flood risk score in Minnesota at 35.0 (Very Low), with $9K in expected annual losses and about 0.01 events per year.

How many Minnesota counties face significant coastal flood risk?

3 Minnesota counties record measurable coastal flood risk in FEMA's National Risk Index; 0 of them are rated High or Very High.

Other Hazards in Minnesota