How many people live in Millard County, UT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 13,600 people living in Millard County, UT. That makes Millard County the 18th-most populous county in Utah. It is home to 0.38% of people living in the state.
13.6K
population of Millard County, UT (2024)
0.38%
County share of the Utah population (2024)
About 13,600 people lived in Millard County, UT in 2024.
Population estimates, 2000–2024
What are Millard County, UT’s age demographics?
About 2,500 Millard County residents are aged 65 and older in 2024. That represents 18.1% of its population. For comparison, the age group represents 12.4% of Utah’s population and 18% in the US overall.
Another 4,000 Millard County, UT residents, or 29.8% 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 higher share of Millard County, UT's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Millard County, UT’s racial and ethnic demographics?
Non-Hispanic white residents make up 81.3% of the Millard County population, higher than the national share of 57.5%. Millard County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.1%) than the US overall (0.72%).
In contrast, Millard County’s non-Hispanic Black or African American population accounts for 0.34%, below the 12.6% nationwide, and the Hispanic population makes up 14% of the county, compared with 20% 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.
Millard County, UT has a higher share of a non-Hispanic white population than Utah as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Millard County, UT is Delta with about 3,700 residents in 2024.
Cities and towns in Millard County, UT ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Delta | 3,730 |
| 2. | Fillmore | 2,788 |
| 3. | Hinckley | 641 |
| 4. | Oak City | 633 |
| 5. | Kanosh | 502 |
| 6. | Holden | 459 |
| 7. | Scipio | 370 |
| 8. | Meadow | 348 |
| 9. | Leamington | 278 |
| 10. | Lynndyl | 123 |
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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.
