Duchesne County's 2026 population is estimated at 21,327, reflecting a 1.24% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Duchesne County is the 15th largest county in Utah. The 2010 population was 18,647 and has grown 14.37% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.1 years
Female: 34.2 years
Male: 33.9 years
There are 13,684 adults, (2,633 of whom are seniors) in Duchesne County.
Female: 10,006 (49.6%)
Male: 10,179 (50.4%)
The racial composition of Duchesne County includes 87.03% White, 3.35% Native American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,567 | 87.03% |
| Two or more races | 1,297 | 6.43% |
| Native American | 677 | 3.35% |
| Other race | 421 | 2.09% |
| Asian | 97 | 0.48% |
| Native Hawaiian or Pacific Islander | 97 | 0.48% |
| Black or African American | 29 | 0.14% |
Duchesne County 's average per capita income is $50,157. Household income levels show a median of $78,445. The poverty rate stands at 11.8%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,208 | - |
| Families | $89,486 | $106,562 |
| Households | $78,445 | $97,751 |
| Non Families | $44,006 | $61,910 |
Average Income
Median Household Income
Poverty Rate
