Duncan is a town located in Greenlee County, Arizona. Duncan has a 2026 population of 662. Duncan is currently declining at a rate of -0.6% annually and its population has decreased by -3.92% since the most recent census, which recorded a population of 689 in 2020.
The median household income in Duncan is $33,529 with a poverty rate of 36.48%. The median age in Duncan is 37.2 years: 44.8 years for males, and 36.6 years for females. For every 100 females there are 66.2 males.
Data after 2023 is projected based on recent change
Overall: 37.2 years
Female: 36.6 years
Male: 44.8 years
There are 716 adults, (137 of whom are seniors) in Duncan.
Female: 583 (60.2%)
Male: 386 (39.8%)
The racial composition of Duncan includes 66.05% White, 5.06% other race, 3.41% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 640 | 66.05% |
| Two or more races | 247 | 25.49% |
| Other race | 49 | 5.06% |
| Native American | 33 | 3.41% |
Duncan 's average per capita income is $32,625. Household income levels show a median of $33,529. The poverty rate stands at 36.48%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $39,779 | $60,638 |
| Households | $33,529 | $53,302 |
| Non Families | $24,129 | $40,033 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate