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List of Cities and Counties in Utah
Discover Utah population facts easily with our list of counties and cities. Find out how many people live in each area, from big cities to small towns, and see how Utah’s population is spread out across the state.
Utah Counties by Population
A county is an administrative subdivision of a US state or territory. As of 2024, Utah is divided into 29 counties.
The most populous county in Utah is Salt Lake County (1.18 million), and Daggett County is the least populated county. The Largest county by Land Area in Utah is San Juan County (782o sq. mi.) and the smallest in the area is Davis County.
read about the Population of Utah
| # | County | Population 2011 | Area (sq. mi.) |
| 1 | Salt Lake County | 1,186,421 | 742 |
| 2 | Utah County | 684,986 | 2,003 |
| 3 | Davis County | 367,285 | 299 |
| 4 | Weber County | 267,066 | 576 |
| 5 | Washington County | 191,226 | 2,426 |
| 6 | Cache County | 137,417 | 1,165 |
| 7 | Tooele County | 76,640 | 6,941 |
| 8 | Iron County | 60,519 | 3,297 |
| 9 | Box Elder County | 59,688 | 5,746 |
| 10 | Summit County | 43,093 | 1,872 |
| 11 | Uintah County | 36,204 | 4,480 |
| 12 | Wasatch County | 36,173 | 1,176 |
| 13 | Sanpete County | 29,106 | 1,590 |
| 14 | Sevier County | 21,906 | 1,911 |
| 15 | Carbon County | 20,372 | 1,478 |
| 16 | Duchesne County | 19,790 | 3,241 |
| 17 | San Juan County | 14,489 | 7,820 |
| 18 | Millard County | 13,164 | 6,572 |
| 19 | Morgan County | 12,657 | 609 |
| 20 | Juab County | 12,155 | 3,392 |
| 21 | Emery County | 9,967 | 4,462 |
| 22 | Grand County | 9,663 | 3,672 |
| 23 | Kane County | 7,992 | 3,990 |
| 24 | Beaver County | 7,249 | 2,590 |
| 25 | Garfield County | 5,129 | 5,083 |
| 26 | Rich County | 2,597 | 1,029 |
| 27 | Wayne County | 2,558 | 2,461 |
| 28 | Piute County | 1,487 | 758 |
| 29 | Daggett County | 976 | 697 |
Source: US Census report 2021
read about the race and ethnicity in Utah
Top Cities in Utah by population
As of 2020, there are 253 municipalities in the U.S. state of Utah. A municipality is called a town if the population is under 1,000 people, and a city if the population is over 1,000 people. Only 4 cities in Utah have a population of more than 100,00. Salt Lake is the largest city in Utah with 199,723 residents. It’s followed by West Valley City (140,230) and West Jordan (116,961)
let’s have a look at the Top cities in Utah by Population
| # | City | Population 2020 | Area (sq. mi.) | County |
| 1 | Salt Lake City | 199,723 | 110.34 | Salt Lake |
| 2 | West Valley City | 140,230 | 35.83 | Salt Lake |
| 3 | West Jordan | 116,961 | 32.33 | Salt Lake |
| 4 | Provo | 115,162 | 41.69 | Utah |
| 5 | Orem | 98,129 | 18.61 | Utah |
| 6 | Sandy | 96,904 | 24.15 | Salt Lake |
| 7 | St. George | 95,342 | 78.46 | Washington |
| 8 | Ogden | 87,321 | 27.55 | Weber |
| 9 | Layton | 81,773 | 22.5 | Davis |
| 10 | South Jordan | 77,487 | 22.19 | Salt Lake |
| 11 | Lehi | 75,907 | 28.11 | Utah |
| 12 | Millcreek | 63,380 | 12.77 | Salt Lake |
| 13 | Taylorsville | 60,448 | 10.85 | Salt Lake |
| 14 | Herriman | 55,144 | 21.63 | Salt Lake |
| 15 | Logan | 52,778 | 17.85 | Cache |
| 16 | Draper | 51,017 | 29.95 | Salt Lake/ Utah |
| 17 | Murray | 50,637 | 12.32 | Salt Lake |
| 18 | Bountiful | 45,762 | 13.19 | Davis |
| 19 | Riverton | 45,285 | 12.58 | Salt Lake |
| 20 | Eagle Mountain | 43,623 | 50.43 | Utah |
Source: US Census 2020
Most Populous Counties in Utah
The most populous county in Utah is Salt Lake County with 1.2 million residents. It is followed by Utah County (0.69 million) and Davis County (0.36 million).
Let’s have a look at the Top 10 most populous counties
| # | County | Population 2011 |
| 1 | Salt Lake County | 1,186,421 |
| 2 | Utah County | 684,986 |
| 3 | Davis County | 367,285 |
| 4 | Weber County | 267,066 |
| 5 | Washington County | 191,226 |
| 6 | Cache County | 137,417 |
| 7 | Tooele County | 76,640 |
| 8 | Iron County | 60,519 |
| 9 | Box Elder County | 59,688 |
| 10 | Summit County | 43,093 |
Least Populated Utah County
The least populous county is Daggett County with 976 residents, it’s followed by Piute County and Wayne County.
Let’s have a look at 5 least populated counties in Utah
| # | County | Population 2011 |
| 1 | Daggett County | 976 |
| 2 | Piute County | 1,487 |
| 3 | Wayne County | 2,558 |
| 4 | Rich County | 2,597 |
| 5 | Garfield County | 5,129 |
source: US Census 2021
read about religion in Utah
Largest counties in Utah by area
The Largest county by Land Area in Utah is Saint Louis County with an area of 6,225.2 sq. miles. Tooele with an area of 6,941 sq. mi. comes next followed by Millard County (6,572 sq. mi.)
Let’s have a look at the Top 10 counties by Area
| # | County | Area (sq. mi.) |
| 1 | San Juan County | 7,820 |
| 2 | Tooele County | 6,941 |
| 3 | Millard County | 6,572 |
| 4 | Box Elder County | 5,746 |
| 5 | Garfield County | 5,083 |
| 6 | Uintah County | 4,480 |
| 7 | Emery County | 4,462 |
| 8 | Kane County | 3,990 |
| 9 | Grand County | 3,672 |
| 10 | Juab County | 3,392 |
Smallest County in Utah by area
The smallest county by area in Utah is Ramsey County with an area of 299 square miles.
| # | County | Area (sq. mi.) |
| 1 | Davis County | 299 |
| 2 | Weber County | 576 |
| 3 | Morgan County | 609 |
| 4 | Daggett County | 697 |
| 5 | Salt Lake County | 742 |
source: US Census report 2021
Most Densely populated Counties in Utah
The most densely populated county in Utah is Salt Lake County, with 1599 people per sq. mi. Next comes Davis County with 1228 people per sq. mi followed by Weber County (464/ sq.mi)
Let’s have a look at the Top 10 densely populated counties
| # | County | Density (people/sq. mi.) |
| 1 | Salt Lake County | 1,598.95 |
| 2 | Davis County | 1,228.38 |
| 3 | Weber County | 463.66 |
| 4 | Utah County | 341.98 |
| 5 | Cache County | 117.95 |
| 6 | Washington County | 78.82 |
| 7 | Wasatch County | 30.76 |
| 8 | Summit County | 23.02 |
| 9 | Morgan County | 20.78 |
| 10 | Iron County | 18.36 |
Least Densely Populated County in Utah
Garfield County with a population density of just 1.01 people per sq. miles is the least densely populated county in Utah
| # | County | Density (people/sq. mi.) |
| 1 | Garfield County | 1.01 |
| 2 | Wayne County | 1.04 |
| 3 | Daggett County | 1.40 |
| 4 | San Juan County | 1.85 |
| 5 | Piute County | 1.96 |
source: US Census 2021
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