The graph below ranks each Utah County by total residents according to the 2012 census estimates.
Utah total population by county
| County | Total Population |
| Salt Lake |  1,064,069 |
| Utah | 539,888 |
| Davis | 315,781 |
| Weber | 236,551 |
| Washington | 144,656 |
| Cache | 115,729 |
| Tooele | 59,874 |
| Box Elder | 50,232 |
| Iron | 46,773 |
| Summit | 37,904 |
| Uintah | 34,540 |
| Sanpete | 28,011 |
| Wasatch | 25,311 |
| Carbon | 21,256 |
| Sevier | 20,727 |
| Duchesne | 19,245 |
| San Juan | 14,914 |
| Millard | 12,570 |
| Emery | 10,911 |
| Juab | 10,342 |
| Morgan | 9,812 |
| Grand | 9,347 |
| Kane | 7,227 |
| Beaver | 6,480 |
| Garfield | 5,102 |
| Wayne | 2,736 |
| Rich | 2,277 |
| Piute | 1,519 |
| Daggett | 1,087 |