Utah Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen population for Utah was 2,887,910 and represented 94.83% of the total Utah population.

Among all Utah counties, Salt Lake had the highest citizen population (1.03M), followed by Utah (563.14K), and Davis (333.48K).

In terms of percentages, Piute had the highest percentage of its population being citizens (100.00%), followed by Kane (99.73%), and Rich (99.57%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

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

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Utah Citizen Population By County in 2018
Utah Citizen Population By County in 2018
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County Citizen Population % of County Population
Salt Lake 1032285 92.10
Utah 563140 95.38
Davis 333475 97.90
Weber 236725 95.56
Washington 155500 96.86
Cache 116810 95.48
Tooele 63515 97.44
Box Elder 52095 98.29
Iron 48295 97.19
Summit 37900 93.56
Uintah 35885 98.79
Wasatch 29055 95.18
Sanpete 28510 97.09
Sevier 20875 98.84
Carbon 19965 98.08
Duchesne 19845 98.15
San Juan 15170 99.28
Millard 11975 94.03
Morgan 11265 98.90
Juab 10765 98.31
Emery 10095 98.49
Grand 8965 93.24
Kane 7330 99.73
Beaver 6155 95.50
Garfield 4855 96.81
Wayne 2625 97.40
Rich 2340 99.57
Piute 1905 100.00
Daggett 605 99.18