Utah Counties by Population (2025)

by Kristen Carney Kristen Carney

Updated: August 7, 2025

The most populous counties in Utah are Salt Lake County with 1,216,274, Utah County at 747,234, Davis County with 378,470, Weber County at 276,118, and Washington County with 207,943. You can get the most current Census population data for all 29 Utah counties, sorted from the most populous counties in Utah to the least, according to the 2024 Population Estimates Program.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Utah counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

Download the newest population data for Utah counties

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Rank County Population
1 Salt Lake County 1,216,274
2 Utah County 747,234
3 Davis County 378,470
4 Weber County 276,118
5 Washington County 207,943
6 Cache County 145,487
7 Tooele County 84,488
8 Iron County 65,936
9 Box Elder County 64,120
10 Summit County 43,109
11 Uintah County 38,307
12 Wasatch County 37,858
13 Sanpete County 30,732
14 Sevier County 22,520
15 Duchesne County 20,803
16 Carbon County 20,613
17 San Juan County 14,601
18 Millard County 13,572
19 Juab County 13,297
20 Morgan County 13,093
21 Emery County 10,161
22 Grand County 9,788
23 Kane County 8,525
24 Beaver County 7,424
25 Garfield County 5,290
26 Rich County 2,752
27 Wayne County 2,608
28 Piute County 1,534
29 Daggett County 956

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2024. Population Division. May 2025.

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