Ranking of Utah Counties By Population in 2015

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2015, the Population for Utah was 2.98M. Among all Utah counties, Salt Lake County had the highest population (1.10M), followed by Utah County (573.29K), and Davis County (334.81K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Utah counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Utah Counties By Population in 2015
Salt Lake
Utah
Davis
Weber
Washington
Cache
Tooele
Box Elder
Iron
Summit
Ranking of Utah Counties By Population in 2015
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Rank County Population
1 Salt Lake County 1102690
2 Utah County 573289
3 Davis County 334814
4 Weber County 242916
5 Washington County 154839
6 Cache County 119777
7 Tooele County 62676
8 Box Elder County 51839
9 Iron County 48166
10 Summit County 39675
11 Uintah County 37815
12 Wasatch County 29131
13 Sanpete County 28663
14 Sevier County 20872
15 Duchesne County 20743
16 Carbon County 20400
17 San Juan County 15254
18 Millard County 12621
19 Morgan County 11048
20 Juab County 10560
21 Emery County 10360
22 Grand County 9530
23 Kane County 7045
24 Beaver County 6351
25 Garfield County 4966
26 Wayne County 2689
27 Rich County 2301
28 Piute County 1489
29 Daggett County 1107