Ranking of Utah Counties By Population in 2018

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2018, the Population for Utah was 3.16M. Among all Utah counties, Salt Lake County had the highest population (1.15M), followed by Utah County (622.08K), and Davis County (351.15K).

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 2018
Salt Lake
Utah
Davis
Weber
Washington
Cache
Tooele
Box Elder
Iron
Summit
Ranking of Utah Counties By Population in 2018
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Rank County Population
1 Salt Lake County 1148949
2 Utah County 622076
3 Davis County 351154
4 Weber County 255454
5 Washington County 172051
6 Cache County 126574
7 Tooele County 69946
8 Box Elder County 54807
9 Iron County 52959
10 Summit County 41879
11 Uintah County 35407
12 Wasatch County 33278
13 Sanpete County 30529
14 Sevier County 21516
15 Carbon County 20248
16 Duchesne County 19902
17 San Juan County 15336
18 Millard County 12941
19 Morgan County 11971
20 Juab County 11639
21 Emery County 10039
22 Grand County 9715
23 Kane County 7663
24 Beaver County 6620
25 Garfield County 4970
26 Wayne County 2657
27 Rich County 2455
28 Piute County 1434
29 Daggett County 984