Utah Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen population for Utah was 2,996,405 and represented 95.09% of the total Utah population.

Among all Utah counties, Salt Lake had the highest citizen population (1.06M), followed by Utah (594.96K), and Davis (342.63K).

In terms of percentages, Daggett had the highest percentage of its population being citizens (100.00%), followed by Kane (99.61%), and San Juan (99.35%).

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 Voting-age Population By County in 2020

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Utah Citizen Population By County in 2020

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County	Citizen Population	% of County Population
Salt Lake	1057915	92.30
Utah	594955	95.73
Davis	342625	97.68
Weber	245875	96.31
Washington	166780	96.90
Cache	121045	95.81
Tooele	68260	97.88
Box Elder	54200	98.63
Iron	51990	97.82
Summit	39260	94.19
Uintah	35305	98.80
Wasatch	31755	96.07
Sanpete	29320	96.38
Sevier	21245	98.93
Carbon	20055	98.31
Duchesne	19600	98.25
San Juan	15195	99.35
Millard	12460	96.11
Morgan	11845	99.12
Juab	11455	98.54
Emery	9920	98.22
Grand	9215	95.00
Kane	7630	99.61
Beaver	6295	95.45
Garfield	4880	97.60
Wayne	2580	95.56
Rich	2300	95.24
Piute	1855	99.20
Daggett	590	100.00