| TOTAL NUMBER OF TRUCKS REGISTERED IN UTAH BY COUNTY | |||||
| COUNTY | JAN. 1997 | JAN. 1998 | JAN. 1999 | FEB. 2000 | JAN. 2001 |
| Beaver | 2,915 | 3,170 | 3,201 | 3,123 | 3,333 |
| Box Elder | 15,801 | 16,494 | 17,539 | 18,025 | 19,183 |
| Cache | 24,319 | 25,728 | 28,349 | 29,555 | 31,583 |
| Carbon | 9,871 | 10,366 | 10,609 | 10,931 | 11,234 |
| Daggett | 523 | 579 | 647 | 737 | 778 |
| Davis | 61,032 | 62,999 | 69,043 | 74,637 | 80,778 |
| Duchesne | 7,349 | 7,798 | 8,139 | 8,343 | 8,855 |
| Emery | 4,909 | 5,193 | 5,414 | 5,474 | 5,773 |
| Garfield | 2,377 | 2,559 | 2,650 | 2,835 | 2,921 |
| Grand | 4,070 | 4,232 | 4,495 | 4,713 | 4,917 |
| Iron | 10,867 | 11,524 | 12,254 | 12,906 | 14,025 |
| Juab | 3,441 | 3,688 | 3,932 | 4,096 | 4,188 |
| Kane | 3,190 | 3,431 | 3,641 | 3,727 | 3,934 |
| Millard | 5,562 | 5,746 | 5,904 | 6,112 | 6,463 |
| Morgan | 3,051 | 3,264 | 3,477 | 3,648 | 3,938 |
| Piute | 788 | 817 | 835 | 871 | 917 |
| Rich | 916 | 958 | 1,072 | 1,071 | 1,153 |
| Salt Lake | 245,163 | 253,692 | 280,301 | 295,244 | 319,566 |
| San Juan | 4,086 | 4,324 | 4,557 | 4,738 | 4,824 |
| Sanpete | 8,557 | 9,084 | 9,806 | 10,109 | 10,828 |
| Sevier | 8,464 | 8,850 | 9,102 | 9,600 | 10,146 |
| Summit | 11,900 | 13,059 | 14,255 | 15,523 | 16,759 |
| Tooele | 11,856 | 12,682 | 14,204 | 15,497 | 17,398 |
| Uintah | 10,247 | 10,881 | 11,415 | 11,983 | 12,944 |
| Utah | 78,920 | 83,132 | 89,190 | 97,337 | 107,040 |
| Wasatch | 5,454 | 5,968 | 6,646 | 7,310 | 7,966 |
| Washington | 28,021 | 29,507 | 31,692 | 33,878 | 36,703 |
| Wayne | 1,451 | 1,491 | 1,524 | 1,561 | 1,651 |
| Weber | 55,392 | 58,252 | 63,242 | 66,862 | 70,131 |
| Out of State | 26,382 | 35,411 | 35,500 | 24,438 | 16,585 |
| Other | 1 | 0 | 0 | 0 | 0 |
| TOTAL | 656,875 | 694,879 | 752,635 | 784,884 | 836,514 |