| County | Vehicles Registered |
| Bowie | 81,747 |
| Collin | 423,530 |
| Delta | 5,436 |
| Fannin | 31,708 |
| Foard | 1,607 |
| Grayson | 110,160 |
| Harrison | 56,147 |
| Hopkins | 33,381 |
| Hunt | 73,080 |
| Lamar | 46,477 |
| Parker | 95,866 |
| Rains | 10,687 |
| Red River | 13,700 |
| Smith | 170,440 |
| Tarrant | 1,235,916 |
| Upshur | 33,719 |
| Van Zandt | 51,565 |
| Victoria | 77,984 |
| Wise | 55,694 |
| Wood | 40,476 |