27 districts with trade activity
| Rank# | District | Imports | Exports | Balance |
|---|---|---|---|---|
| 1 | Duluth, MN | $59.3M | -- | -$59.3M |
| 2 | Detroit, MI | $42.5M | -- | -$42.5M |
| 3 | Pembina, ND | $36.1M | -- | -$36.1M |
| 4 | Ogdensburg, NY | $32.0M | -- | -$32.0M |
| 5 | Portland, ME | $31.9M | -- | -$31.9M |
| 6 | Seattle, WA | $20.8M | -- | -$20.8M |
| 7 | Buffalo, NY | $17.5M | -- | -$17.5M |
| 8 | St. Albans, VT | $13.1M | -- | -$13.1M |
| 9 | Great Falls, MT | $8.2M | -- | -$8.2M |
| 10 | Wilmington, NC | $3.6M | -- | -$3.6M |
| 11 | Charleston, SC | $2.8M | -- | -$2.8M |
| 12 | New Orleans, LA | $1.1M | -- | -$1.1M |
| 13 | Mobile, AL | $693K | -- | -$693K |
| 14 | Norfolk, VA | $636K | -- | -$636K |
| 15 | Baltimore, MD | $293K | -- | -$293K |
| 16 | New York City, NY | $118K | -- | -$118K |
| 17 | Los Angeles, CA | $65K | -- | -$65K |
| 18 | Miami, FL | $58K | -- | -$58K |
| 19 | Boston, MA | -- | -- | -- |
| 20 | Savannah, GA | -- | -- | -- |
| 21 | Tampa, FL | -- | -- | -- |
| 22 | Port Arthur, TX | -- | -- | -- |
| 23 | Laredo, TX | -- | -- | -- |
| 24 | San Diego, CA | -- | -- | -- |
| 25 | Honolulu, HI | -- | -- | -- |
| 26 | San Juan, PR | hidden | hidden | hidden |
| 27 | Houston-Galveston, TX | hidden | hidden | hidden |