CBP data indicates that there were 654 total businesses in Jefferson County zip codes.
The following table gives a breakdown of businesses in Jefferson County by total employees in 2017.
Businesses in Jefferson County (2017) by total employees
| Total employees | Total businesses |
|---|---|
| 0 to 4 | 298 |
| 5 to 9 | 164 |
| 10 to 19 | 98 |
| 20 to 49 | 50 |
| 50 to 99 | 17 |
| 100 to 249 | 8 |
| 250 to 499 | 5 |
| more than 500 | 3 |