Population of Utah 2021
Population
Utah has 3.101 million residents (extrapolation of the US Census Bureau 2017), of which 89.1% are white, 0.9% black and African-American, 1.9% Asian, 1.1% Indian, 0.7% Hawaiian and 4, 5% of other parentage. 1.8% said they belonged to two or more races. Of the total population, 11.2% are Hispanic community.
Utah has the highest fertility rate of any state in the United States (2.29 children per woman in 2015). Utah’s population is living longer than the American average and has a lower percentage of overweight people.
Top Counties by Population in Utah
| Rank | County Name | Population | Population Density (per km²) |
| 1 | Salt Lake County | 1,160,448 | 603.77 |
| 2 | Utah County | 636,246 | 122.64 |
| 3 | Davis County | 355,492 | 459.29 |
| 4 | Weber County | 260,224 | 174.41 |
| 5 | Washington County | 177,567 | 28.26 |
| 6 | Cache County | 128,300 | 42.53 |
| 7 | Tooele County | 72,270 | 4.02 |
| 8 | Box Elder County | 56,057 | 3.77 |
| 9 | Iron County | 54,850 | 6.42 |
| 10 | Summit County | 42,156 | 8.70 |
| 11 | Uintah County | 35,745 | 3.08 |
| 12 | Sanpete County | 30,950 | 7.52 |
| 13 | Wasatch County | 23,541 | 7.73 |
| 14 | Sevier County | 21,631 | 4.37 |
| 15 | Carbon County | 20,474 | 5.35 |
| 16 | Duchesne County | 19,949 | 2.38 |
| 17 | San Juan County | 15,319 | 0.76 |
| 18 | Millard County | 13,199 | 0.78 |
| 19 | Morgan County | 12,135 | 7.69 |
| 20 | Juab County | 12,028 | 1.37 |
| 21 | Emery County | 10,023 | 0.87 |
| 22 | Grand County | 9,765 | 1.03 |
| 23 | Kane County | 7,897 | 0.76 |
| 24 | Beaver County | 6,721 | 1.00 |
| 25 | Garfield County | 5,062 | 0.38 |
| 26 | Wayne County | 2,722 | 0.43 |
| 27 | Rich County | 2,494 | 0.94 |
| 28 | Piute County | 1,490 | 0.76 |
| 29 | Daggett County | 961 | 0.53 |