How many people live in Salt Lake County, UT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 1.22 million people living in Salt Lake County, UT. That makes Salt Lake County the 39th-most populous county in the US. It is also the largest in Utah, accounting for 34.4% of the state’s population.
1.22M
population of Salt Lake County, UT (2024)
34.4%
County share of the Utah population (2024)
About 1.22 million people lived in Salt Lake County, UT in 2024.
Population estimates, 2000–2024
What are Salt Lake County, UT’s age demographics?
About 152,300 Salt Lake County, UT residents are aged 65 and older in 2024. That represents 12.5% of its population. For comparison, the age group represents 12.4% of Utah’s population and 18% in the US overall.
Another 292,400 Salt Lake County residents, or 24% of the population, were children under 18. For comparison, the age group represents 26.7% of Utah’s population and 21.6% in the US overall.
A lower share of Salt Lake County, UT's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Salt Lake County, UT’s racial and ethnic demographics?
Non-Hispanic white residents make up 65.9% of the Salt Lake County population, higher than the national share of 57.5%. Salt Lake County also has a larger share of people identifying as Hispanic (21.9%) than the US overall (20%).
In contrast, Salt Lake County’s non-Hispanic Black or African American population accounts for 2.1%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 5.1% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Salt Lake County, UT has a higher share of a Hispanic population than Utah as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Salt Lake County, UT is Salt Lake City with about 217,800 residents in 2024.
Cities and towns in Salt Lake County, UT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Salt Lake City | 217,783 |
| 2. | West Valley City | 138,144 |
| 3. | West Jordan | 116,688 |
| 4. | Sandy | 92,840 |
| 5. | South Jordan | 86,156 |
| 6. | Millcreek | 64,217 |
| 7. | Herriman | 62,352 |
| 8. | Taylorsville | 57,819 |
| 9. | Murray | 50,817 |
| 10. | Riverton | 46,680 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
