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.

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