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Import Value
$14.4M
Export Value
--
Products
46
Duluth–Superior is a major inland port of entry situated at the western tip of Lake Superior, operating as one of the largest tonnage ports in the Great Lakes system. It handles significant volumes of bulk commodities including iron ore, coal, grain, and limestone, supporting heavy industry and agricultural trade across the Midwest. The port's deep-water harbor and rail connections make it a strategic node for both domestic and international cargo movements.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Duluth–Superior specializes in bulk commodities such as iron ore, coal, grain, limestone, and salt, reflecting the industrial and agricultural character of the upper Midwest region it serves.
Yes, Duluth–Superior is a designated CBP port of entry for international vessels transiting the St. Lawrence Seaway and Great Lakes, requiring customs clearance for foreign-flagged ships and their cargo.
The CBP port code for Duluth, MN – Superior, WI is 3510.
Imports
Exports
| Rank | Product | Import value |
|---|---|---|
| 1 | PROPANE, LIQUEFIED | $8.5M |
| 2 | NATURAL GAS, GASEOUS | $1.3M |
| 3 | PORTLAND CEMENT EXCEPT WHITE PORTLAND CEMENT | $1.2M |
| 4 | IMPORTS OF ARTICLES EXPORTED & RETURNED, NO CHANGE | $1.1M |
| 5 | QUARTZ (OTHER THAN NATURAL SANDS) | $992K |
| Rank | Product | Export value |
|---|---|---|
| 1 | CIVILIAN AIRCRAFT, ENGINES, AND PARTS | $8.8M |
| 2 | DURUM WHEAT, NESOI | $4.3M |
| 3 | WHEAT AND MESLIN, NESOI | $3.8M |
| 4 | WOMEN'S OR GIRLS' TROUSERS ETC NOT KNIT, COTTON | $184K |
| 5 |
| T-SHIRTS, SINGLETS, TANK TOPS ETC, KNIT ETC COTTON |
| $80K |