Utah Counties by Population

The most populated counties in Utah are Salt Lake County with 1,185,813, Utah County at 719,174, Davis County with 373,207, Weber County at 271,926, and Washington County with 202,452. 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 2023 Population Estimates Program.

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Rank County Population
1 Salt Lake County 1,185,813
2 Utah County 719,174
3 Davis County 373,207
4 Weber County 271,926
5 Washington County 202,452
6 Cache County 142,393
7 Tooele County 82,051
8 Iron County 64,211
9 Box Elder County 62,684
10 Summit County 42,759
11 Uintah County 37,747
12 Wasatch County 37,144
13 Sanpete County 30,277
14 Sevier County 22,344
15 Carbon County 20,609
16 Duchesne County 20,477
17 San Juan County 14,358
18 Millard County 13,437
19 Juab County 13,023
20 Morgan County 13,000
21 Emery County 10,144
22 Grand County 9,706
23 Kane County 8,425
24 Beaver County 7,233
25 Garfield County 5,314
26 Rich County 2,670
27 Wayne County 2,614
28 Piute County 1,550
29 Daggett County 992

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. U.S. Census Bureau, Population Division. Web. March 2024. http://www.census.gov/.

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