Duncan, Arizona Population 2020

755
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Duncan is a city located in Arizona. With a 2020 population of 755, it is the 87th largest city in Arizona and the 11552nd largest city in the United States. Duncan is currently declining at a rate of -2.20% annually but its population has increased by 8.48% since the most recent census, which recorded a population of 696 in 2010. Duncan reached it's highest population of 807 in 2016. Spanning over 2 miles, Duncan has a population density of 351 people per square mile.

The average household income in Duncan is $62,492 with a poverty rate of 25.23%. The median rental costs in recent years comes to $658 per month, and the median house value is $67,100. The median age in Duncan is 50.8 years, 46.8 years for males, and 53.6 years for females. For every 100 females there are 110.8 males.

Duncan Demographics

According to the most recent ACS, the racial composition of Duncan was:

  • White: 98.34%
  • Two or more races: 1.36%
  • Native American: 0.30%
  • Black or African American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Duncan, Arizona is 755, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 789.The last official US Census in 2010 recorded the population at 696.

Duncan, Arizona Population 2020

Population by Race

Race Population Percentage
White65198.34%
Two or More Races91.36%
American Indian and Alaska Native20.30%
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Duncan Population Pyramid 2020

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Duncan Median Age

50.8


Total

46.8


Male

53.6


Female

Duncan Adults

There are 531 adults, (160 of whom are seniors) in Duncan.

Duncan Age Dependency

78.4

Age Dependency Ratio

43.1

Old Age Dependency Ratio

35.3

Child Dependency Ratio

Duncan Sex Ratio

Female

314

47.43%

Male

348

52.57%

Duncan Households and Families

Duncan Renter vs Owner Occupied by Household Type

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Duncan Household Types

Type Owner Renter
Non Family84%16%
Married80.1%19.9%
All79.3%20.7%
Female69.2%30.8%
Male0%100%

79.3%

Rate of Home Ownership

Type Count Average Size Owned
All2712.4479.3
Married1413.0580.1
Non Family1001.0584
Female264.4269.2
Male430

3.12

Average Family Size

2.44

Average Household Size

7.4%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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Duncan Education

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Education Attained Count Percentage
Less Than 9th Grade112.25%
9th to 12th Grade7314.93%
High School Graduate20742.33%
Some College11924.34%
Associates Degree306.13%
Bachelors Degree214.29%
Graduate Degree285.73%
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Duncan Educational Attainment by Race

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Name Total High School Bachelors
White37431649
Hispanic10687
Multiple Races72
Native American2

The highest rate of high school graduation is among white people with a rate of 84.49%.

The highest rate of bachelors degrees is among white people with a rate of 13.10%.

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Name Average Male Female
Overall$38,304$42,404$17,143
Less Than High School$40,114$$
High School Grad$51,250$52,222$
Some College$19,750$41,875$17,232
Bachelors Degree$29,688$$
Graduate Degree$$$

$38,304

Average Earnings

$42,404

Average Male

$17,143

Average Female

Duncan Language

Duncan Language by Age

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Duncan Language

84.79% of Duncan residents speak only English, while 15.21% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.89% of the population.

Duncan Poverty

Duncan Poverty by Race

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Name Total In Poverty Poverty Rate
White4969118.35%
Hispanic1516945.70%
Multiple9666.67%

25.23%

Overall Poverty Rate

22.09%

Male Poverty Rate

28.66%

Female Poverty Rate

Poverty in Duncan

The race most likely to be in poverty in Duncan is Multiple, with 66.67% below the poverty level.

The race least likely to be in poverty in Duncan is White, with 18.35% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 11.60%. Among those working part-time, it was 22.22%, and for those that did not work, the poverty rate was 24.36%.

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Name Poverty
Less Than High School29.76%
Some College23.49%
High School19.32%
Bachelors or Greater6.12%
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Name Poverty
Female Unemployed0.00%
Male Unemployed100.00%
Female Employed13.95%
Male Employed13.10%

Duncan Income

Duncan Income by Household Type

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Name Median Mean
Households$42,679$62,492
Families$51,750$68,190
Married Families$57,188-
Non Families$28,816$48,203
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Duncan Marital Status

Duncan Marital Status

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Marriage Rates

52.5%

Overall Marriage Rate

57.0%

Male Marriage Rate

47.8%

Female Marriage Rate

Duncan Married by Age and Sex

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Duncan Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Duncan Marital Status by Race

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Duncan Veterans

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68

Number of Veterans

68

Male Veterans

Female Veterans

War Veterans
Second Gulf War21
Vietnam18
First Gulf War13
Korea9
World War II
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Age Group Veterans
35 to 5417
18 to 3417
65 to 7414
75+12
55 to 648
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Name Veterans % of Total
White6813.08%
Hispanic2622.22%

Duncan Veterans by Education

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14.71%

Veteran Poverty Rate

29.41%

Veteran Disability Rate

Duncan Employment Status

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42.6%

Labor Force Participation

42.2%

Employment Rate

0.9%

Unemployment Rate

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Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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56.34%

Born in Arizona

96.98%

Native Born

3.02%

Foreign Born

1.51%

Non Citizen

1.51%

Naturalized

Place of Birth

96.98% of Duncan residents were born in the United States, with 56.34% having been born in Arizona. 1.51% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
2020755-17-2.20%
2019772-17-2.15%
2018789-1-0.13%
2017790-17-2.11%
201680720.25%
2015805192.42%
2014786374.94%
2013749212.88%
2012728162.25%
2011712233.34%
20106890.00%