Ranking of Utah Counties By Population in 2023

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2023, the Population for Utah was 3.44M. Among all Utah counties, Salt Lake County had the highest population (1.20M), followed by Utah County (725.36K), and Davis County (374.43K).

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 2023
Salt Lake
Utah
Davis
Weber
Washington
Cache
Tooele
Iron
Box Elder
Summit
Ranking of Utah Counties By Population in 2023
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Rank County Population
1 Salt Lake County 1200544
2 Utah County 725359
3 Davis County 374430
4 Weber County 272686
5 Washington County 202735
6 Cache County 143193
7 Tooele County 82137
8 Iron County 64485
9 Box Elder County 62878
10 Summit County 42939
11 Uintah County 37903
12 Wasatch County 37303
13 Sanpete County 30450
14 Sevier County 22367
15 Carbon County 20607
16 Duchesne County 20541
17 San Juan County 14390
18 Millard County 13432
19 Juab County 13016
20 Morgan County 13004
21 Emery County 10149
22 Grand County 9810
23 Kane County 8446
24 Beaver County 7291
25 Garfield County 5320
26 Rich County 2665
27 Wayne County 2613
28 Piute County 1546
29 Daggett County 983