Ranking of Utah Counties By Population in 2024

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2024, the Population for Utah was 3.50M. Among all Utah counties, Salt Lake County had the highest population (1.22M), followed by Utah County (747.23K), and Davis County (378.47K).

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.

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Ranking of Utah Counties By Population in 2024
Salt Lake
Utah
Davis
Weber
Washington
Cache
Tooele
Iron
Box Elder
Summit
Ranking of Utah Counties By Population in 2024
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Rank County Population
1 Salt Lake County 1216274
2 Utah County 747234
3 Davis County 378470
4 Weber County 276118
5 Washington County 207943
6 Cache County 145487
7 Tooele County 84488
8 Iron County 65936
9 Box Elder County 64120
10 Summit County 43109
11 Uintah County 38307
12 Wasatch County 37858
13 Sanpete County 30732
14 Sevier County 22520
15 Duchesne County 20803
16 Carbon County 20613
17 San Juan County 14601
18 Millard County 13572
19 Juab County 13297
20 Morgan County 13093
21 Emery County 10161
22 Grand County 9788
23 Kane County 8525
24 Beaver County 7424
25 Garfield County 5290
26 Rich County 2752
27 Wayne County 2608
28 Piute County 1534
29 Daggett County 956