Utah Population By County in 2010

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2010, the population of Utah was 2,775,413. Among all Utah counties, Salt Lake[object Promise] had the highest population (1,032,997), followed by Utah[object Promise] (520,033), and Davis[object Promise] (307,919). Daggett[object Promise] was the least populated county (1,077).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Utah Population By County in 2010
Utah Population By County in 2010
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County Population % of State Population
Beaver 6657 0.24
Box Elder 50178 1.81
Cache 113388 4.09
Carbon 21403 0.77
Daggett 1077 0.04
Davis 307919 11.10
Duchesne 18647 0.67
Emery 11004 0.40
Garfield 5196 0.19
Grand 9301 0.34
Iron 46264 1.67
Juab 10263 0.37
Kane 7214 0.26
Millard 12541 0.45
Morgan 9523 0.34
Piute 1563 0.06
Rich 2255 0.08
Salt Lake 1032997 37.22
San Juan 14837 0.54
Sanpete 27938 1.01
Sevier 20799 0.75
Summit 36502 1.32
Tooele 58502 2.11
Uintah 32465 1.17
Utah 520033 18.74
Wasatch 23642 0.85
Washington 138397 4.99
Wayne 2772 0.10
Weber 232136 8.36