Utah Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen population for Utah was 2,750,120 and represented 94.72% of the total Utah population.

Among all Utah counties, Salt Lake had the highest citizen population (994.47K), followed by Utah (526.17K), and Davis (315.56K).

In terms of percentages, Rich had the highest percentage of its population being citizens (99.56%), followed by Kane (99.31%), and Juab (98.99%).

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 2015
Utah Citizen Population By County in 2015
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County Citizen Population % of County Population
Salt Lake 994470 92.17
Utah 526165 95.33
Davis 315555 97.58
Weber 226820 95.03
Washington 143255 96.63
Cache 111990 95.35
Tooele 59335 97.44
Box Elder 50270 98.59
Iron 45875 97.32
Summit 35920 93.25
Uintah 35215 98.59
Sanpete 27335 96.73
Wasatch 24460 91.75
Carbon 20640 98.64
Sevier 20610 98.75
Duchesne 19480 98.31
San Juan 14955 98.71
Millard 11805 93.84
Emery 10580 98.60
Juab 10295 98.99
Morgan 10145 98.74
Grand 9090 96.81
Kane 7150 99.31
Beaver 6230 96.44
Garfield 4920 97.04
Wayne 2665 97.98
Rich 2280 99.56
Piute 1840 98.66
Daggett 765 98.71