| Annual Estimates of the Population for Counties of Utah: April 1, 2000 to July 1, 2006 | |||||||||
| Geographic Area | Population Estimates | April 1, 2000 | |||||||
| July 1, 2006 | July 1, 2005 | July 1, 2004 | July 1, 2003 | July 1, 2002 | July 1, 2001 | July 1, 2000 | Estimates Base | Census | |
| Utah | 2,550,063 | 2,490,334 | 2,421,500 | 2,355,785 | 2,325,921 | 2,288,374 | 2,243,490 | 2,233,198 | 2,233,169 |
| Beaver County | 6,294 | 6,202 | 6,086 | 6,069 | 6,100 | 6,026 | 6,018 | 6,005 | 6,005 |
| Box Elder County | 47,197 | 46,333 | 45,927 | 45,468 | 44,657 | 43,720 | 42,888 | 42,745 | 42,745 |
| Cache County | 98,662 | 98,358 | 96,780 | 96,607 | 95,969 | 92,219 | 91,700 | 91,391 | 91,391 |
| Carbon County | 19,469 | 19,459 | 19,642 | 19,832 | 19,828 | 19,771 | 20,380 | 20,425 | 20,422 |
| Daggett County | 947 | 937 | 921 | 904 | 898 | 922 | 929 | 921 | 921 |
| Davis County | 276,259 | 268,084 | 261,464 | 255,225 | 249,202 | 244,283 | 240,330 | 238,994 | 238,994 |
| Duchesne County | 15,701 | 15,328 | 14,958 | 14,887 | 14,849 | 14,566 | 14,379 | 14,371 | 14,371 |
| Emery County | 10,698 | 10,711 | 10,701 | 10,739 | 10,702 | 10,752 | 10,952 | 10,962 | 10,860 |
| Garfield County | 4,534 | 4,443 | 4,449 | 4,535 | 4,606 | 4,691 | 4,750 | 4,735 | 4,735 |
| Grand County | 8,999 | 8,787 | 8,693 | 8,656 | 8,640 | 8,497 | 8,408 | 8,380 | 8,485 |
| Iron County | 40,544 | 38,438 | 36,438 | 35,668 | 35,343 | 34,570 | 33,972 | 33,779 | 33,779 |
| Juab County | 9,420 | 9,165 | 8,997 | 8,766 | 8,635 | 8,469 | 8,284 | 8,238 | 8,238 |
| Kane County | 6,532 | 6,232 | 6,114 | 6,071 | 6,034 | 5,955 | 6,079 | 6,046 | 6,046 |
| Millard County | 12,390 | 12,280 | 12,324 | 12,389 | 12,382 | 12,397 | 12,409 | 12,405 | 12,405 |
| Morgan County | 8,134 | 7,862 | 7,626 | 7,490 | 7,420 | 7,306 | 7,162 | 7,129 | 7,129 |
| Piute County | 1,347 | 1,371 | 1,389 | 1,379 | 1,380 | 1,400 | 1,438 | 1,435 | 1,435 |
| Rich County | 2,040 | 2,057 | 2,059 | 2,038 | 1,951 | 1,950 | 1,967 | 1,961 | 1,961 |
| Salt Lake County | 978,701 | 960,297 | 936,194 | 925,782 | 922,430 | 912,881 | 900,806 | 898,412 | 898,387 |
| San Juan County | 14,265 | 14,117 | 14,051 | 13,832 | 13,834 | 13,614 | 14,374 | 14,413 | 14,413 |
| Sanpete County | 24,196 | 23,995 | 23,691 | 23,528 | 23,355 | 23,208 | 22,810 | 22,763 | 22,763 |
| Sevier County | 19,640 | 19,367 | 19,413 | 19,127 | 19,107 | 19,044 | 18,882 | 18,842 | 18,842 |
| Summit County | 35,469 | 35,119 | 33,948 | 32,806 | 31,873 | 30,964 | 29,998 | 29,736 | 29,736 |
| Tooele County | 53,552 | 51,269 | 49,706 | 48,085 | 46,005 | 43,967 | 41,683 | 40,735 | 40,735 |
| Uintah County | 27,955 | 27,129 | 26,580 | 26,292 | 26,228 | 25,776 | 25,275 | 25,224 | 25,224 |
| Utah County | 464,760 | 451,855 | 434,114 | 399,298 | 392,030 | 387,901 | 370,928 | 368,540 | 368,536 |
| Wasatch County | 20,255 | 19,015 | 18,119 | 17,595 | 16,919 | 16,174 | 15,438 | 15,215 | 15,215 |
| Washington County | 126,312 | 119,188 | 110,476 | 104,508 | 99,609 | 94,609 | 91,244 | 90,354 | 90,354 |
| Wayne County | 2,544 | 2,454 | 2,468 | 2,471 | 2,539 | 2,530 | 2,536 | 2,509 | 2,509 |
| Weber County | 213,247 | 210,482 | 208,172 | 205,738 | 203,396 | 200,212 | 197,471 | 196,533 | 196,533 |
Source: Population Division, U.S. Census Bureau