Duncan

County:: Greenlee County
County Seat:: No
Area (mi²):: 2.152
State:: Arizona

Duncan is a town located in Greenlee County, Arizona. Duncan has a 2025 population of 657. Duncan is currently declining at a rate of -0.9% annually and its population has decreased by -4.64% since the most recent census, which recorded a population of 689 in 2020.

The average household income in Duncan is $59,550 with a poverty rate of 29.83%.The median age in Duncan is 35.2 years: 35 years for males, and 35.3 years for females.

Demographics

The racial composition of Duncan includes 71.12% White, 5.64% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	756	71.12%
Two or more races	230	21.64%
Other race	60	5.64%
Native American	17	1.6%

Duncan Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Duncan's average per capita income is $0. Household income levels show a median of $38,750. The poverty rate stands at 29.83%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$47,778	$60,456
Households	$38,750	$59,550
Married Families	-	-
Non Families	-	$48,477

$0

Average Income

$38,750

Median Household Income

29.83%

Poverty Rate