Utah Counties by Population (2026)

by Kristen Carney

Updated: February 9, 2026

The most populous counties in Utah are Salt Lake County with 1,196,523, Utah County at 705,400, Davis County with 370,924, Weber County at 269,648, and Washington County with 196,431. 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 American Community Survey.

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!

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Rank County Population
1 Salt Lake County 1,196,523
2 Utah County 705,400
3 Davis County 370,924
4 Weber County 269,648
5 Washington County 196,431
6 Cache County 140,046
7 Tooele County 79,347
8 Iron County 62,252
9 Box Elder County 61,246
10 Summit County 42,970
11 Uintah County 37,056
12 Wasatch County 36,642
13 Sanpete County 29,719
14 Sevier County 22,085
15 Carbon County 20,517
16 Duchesne County 20,185
17 San Juan County 14,483
18 Millard County 13,315
19 Morgan County 12,802
20 Juab County 12,586
21 Emery County 10,046
22 Grand County 9,754
23 Kane County 8,170
24 Beaver County 7,273
25 Garfield County 5,219
26 Rich County 2,631
27 Wayne County 2,584
28 Piute County 1,694
29 Daggett County 783

United States Census Bureau. B01001 SEX BY AGE, 2024 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. January 29, 2026. http://www.census.gov/.

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