Port of Duluth-Superior saw lowest tonnage since 1938

Trump’s trade war took a toll on shipments in the Twin Ports last year

Cargo shipments at the Port of Duluth-Superior slumped last year due to headwinds driven by unfavorable market trends, shifting trade lanes and President Donald Trump’s trade war.

Port of Duluth-Superior saw lowest tonnage since 1938

Cargo shipments at the Port of Duluth-Superior slumped last year due to headwinds driven by unfavorable market trends, shifting trade lanes and President Donald Trump’s trade war. The amount of cargo moved through the port dropped to 25.3 million tons, declining 14.6% from 2024. That’s the lowest tonnage shipped through the port since 1938, according to season end figures released Friday by the Duluth Seaway Port Authority. Canadian trade droppe…