21 districts with trade activity
| Rank# | District | Imports | Exports | Balance |
|---|---|---|---|---|
| 1 | Portland, ME | -- | $1.8M | +$1.8M |
| 2 | Laredo, TX | -- | $305K | +$305K |
| 3 | Houston-Galveston, TX | -- | $106K | +$106K |
| 4 | Los Angeles, CA | $50K | -- | -$50K |
| 5 | Low Value | -- | $28K | +$28K |
| 6 | Detroit, MI | -- | $16K | +$16K |
| 7 | Nogales, AZ | -- | $16K | +$16K |
| 8 | New York City, NY | -- | $11K | +$11K |
| 9 | Savannah, GA | -- | $8K | +$8K |
| 10 | San Diego, CA | -- | $6K | +$6K |
| 11 | Buffalo, NY | -- | $3K | +$3K |
| 12 | Seattle, WA | -- | $3K | +$3K |
| 13 | Miami, FL | $3K | -- | -$3K |
| 14 | El Paso, TX | -- | -- | -- |
| 15 | Boston, MA | -- | -- | -- |
| 16 | Philadelphia, PA | -- | -- | -- |
| 17 | Norfolk, VA | -- | -- | -- |
| 18 | Wilmington, NC | -- | -- | -- |
| 19 | Great Falls, MT | -- | -- | -- |
| 20 | Pembina, ND | -- | -- | -- |
| 21 | Washington, DC | -- | -- | -- |