Utah 2020 Census Total Population By County
Updated on January 23, 2023.
The total population of Utah from the 2020 Census was 3,271,616, based on data from the US Census Bureau.
Salt Lake County was the most populated county (1,185,238), followed by Utah County (659,399), and then Davis County (362,679). On the other hand, the 3 counties that were least populated include: Daggett County (935), Piute County (1,438), and Wayne County (2,486).
You can also see this information for other states and also for the national level by state.
Hover over or click on the counties to see the number and percentage of Utah population that lives in each county. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.
Data Source: US Census Bureau, 2020 Census.
Utah 2020 Census Total Population By County
Utah 2020 Census Total Population By County
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| County | Population | % of Utah Pop. |
|---|---|---|
| Beaver | 7072 | 0.22 |
| Box Elder | 57666 | 1.76 |
| Cache | 133154 | 4.07 |
| Carbon | 20412 | 0.62 |
| Daggett | 935 | 0.03 |
| Davis | 362679 | 11.09 |
| Duchesne | 19596 | 0.60 |
| Emery | 9825 | 0.30 |
| Garfield | 5083 | 0.16 |
| Grand | 9669 | 0.30 |
| Iron | 57289 | 1.75 |
| Juab | 11786 | 0.36 |
| Kane | 7667 | 0.23 |
| Millard | 12975 | 0.40 |
| Morgan | 12295 | 0.38 |
| Piute | 1438 | 0.04 |
| Rich | 2510 | 0.08 |
| Salt Lake | 1185238 | 36.23 |
| San Juan | 14518 | 0.44 |
| Sanpete | 28437 | 0.87 |
| Sevier | 21522 | 0.66 |
| Summit | 42357 | 1.30 |
| Tooele | 72698 | 2.22 |
| Uintah | 35620 | 1.09 |
| Utah | 659399 | 20.16 |
| Wasatch | 34788 | 1.06 |
| Washington | 180279 | 5.51 |
| Wayne | 2486 | 0.08 |
| Weber | 262223 | 8.02 |
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