15 districts with trade activity
| Rank# | District | Imports | Exports | Balance |
|---|---|---|---|---|
| 1 | Philadelphia, PA | $7.0M | -- | -$7.0M |
| 2 | Laredo, TX | $4.6M | -- | -$4.6M |
| 3 | Buffalo, NY | $1.5M | -- | -$1.5M |
| 4 | Great Falls, MT | $1.4M | -- | -$1.4M |
| 5 | San Diego, CA | $1.2M | -- | -$1.2M |
| 6 | Los Angeles, CA | $1.1M | -- | -$1.1M |
| 7 | Detroit, MI | $616K | -- | -$616K |
| 8 | Ogdensburg, NY | $493K | -- | -$493K |
| 9 | Miami, FL | $317K | -- | -$317K |
| 10 | New York City, NY | $141K | -- | -$141K |
| 11 | Houston-Galveston, TX | $116K | -- | -$116K |
| 12 | Nogales, AZ | $106K | -- | -$106K |
| 13 | Chicago, IL | $6K | -- | -$6K |
| 14 | San Francisco, CA | $5K | -- | -$5K |
| 15 | El Paso, TX | $3K | -- | -$3K |