18 districts with trade activity
| Rank# | District | Imports | Exports | Balance |
|---|---|---|---|---|
| 1 | Great Falls, MT | $581K | -- | -$581K |
| 2 | Nogales, AZ | $571K | -- | -$571K |
| 3 | Laredo, TX | $446K | -- | -$446K |
| 4 | Detroit, MI | $307K | -- | -$307K |
| 5 | Houston-Galveston, TX | $303K | -- | -$303K |
| 6 | Pembina, ND | $277K | -- | -$277K |
| 7 | Norfolk, VA | $152K | -- | -$152K |
| 8 | San Juan, PR | $113K | -- | -$113K |
| 9 | Buffalo, NY | $80K | -- | -$80K |
| 10 | San Diego, CA | $66K | -- | -$66K |
| 11 | Ogdensburg, NY | $54K | -- | -$54K |
| 12 | Los Angeles, CA | $5K | -- | -$5K |
| 13 | New York City, NY | -- | -- | -- |
| 14 | Philadelphia, PA | -- | -- | -- |
| 15 | Savannah, GA | -- | -- | -- |
| 16 | San Francisco, CA | -- | -- | -- |
| 17 | Seattle, WA | -- | -- | -- |
| 18 | Miami, FL | -- | -- | -- |