Utah Population By County in 2012

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2012, the population of Utah was 2,854,146. Among all Utah counties, Salt Lake had the highest population (1,064,140), followed by Utah (539,970), and Davis (316,022).

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.

Related Topics: Utah Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

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Utah Population By County in 2012

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County	Population	% of State Population
Beaver	6500	0.23
Box Elder	50205	1.76
Cache	115925	4.06
Carbon	21226	0.74
Daggett	1096	0.04
Davis	316022	11.07
Duchesne	18999	0.67
Emery	10941	0.38
Garfield	5064	0.18
Grand	9343	0.33
Iron	46661	1.64
Juab	10300	0.36
Kane	7177	0.25
Millard	12468	0.44
Morgan	9812	0.34
Piute	1495	0.05
Rich	2258	0.08
Salt Lake	1064140	37.28
San Juan	15052	0.53
Sanpete	27958	0.98
Sevier	20662	0.72
Summit	37886	1.33
Tooele	59810	2.10
Uintah	34648	1.21
Utah	539970	18.92
Wasatch	25340	0.89
Washington	144216	5.05
Wayne	2704	0.10
Weber	236268	8.28