Duncan, Arizona Demographics & Population 2026
During the 2020–2024 ACS period, Duncan, Arizona had a total population of 969, the 211th largest town in Arizona, with a median household income of $33,529, which is 58% lower than the state average. The poverty rate is 36.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 58% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (36.5%), well above the national average of 12.4%.
Duncan Quick Facts
How Duncan Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,063 | 969 | -8.8% |
| Median household income | $38,750 | $33,529 | -13.5% |
| Median home value | $159,200 | $139,000 | -12.7% |
How Duncan Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 62 | National average: 61
Education
Educational Attainment (Adults 25+)
Duncan Rankings in Arizona
Explore Arizona Rankings
Other Cities in Greenlee County
Cities Similar to Duncan
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Peridot | 999 | $34,375 | N/A | 3.7% | 33.8% |
| Tombstone | 1,026 | $34,901 | $182,600 | 16.9% | 15.5% |
| Many Farms | 876 | $32,981 | $56,900 | 18.9% | 36.9% |
| Patagonia | 946 | $39,891 | $361,500 | 43.6% | 7.5% |
| Shongopovi | 1,084 | N/A | $81,300 | 0.0% | 52.8% |
A note before these figures: with a population of 969, Duncan's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Duncan is a small community located in Arizona, within Greenlee County. The total population is 969. It ranks as the 211th most populous out of 441 Census-designated places in Arizona.
Age Demographics
The median age in Duncan is 37.2 years. This is 5% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Duncan is $33,529. This is 58% lower than the state median of $79,964. It is also 58% lower than the national median of $80,734. The poverty rate stands at 36.5%. This is 192% higher than the state poverty rate of 12.5%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 4.9%. This is 3% lower than the state rate of 5.1%. The median home value is $139,000. Housing costs are 65% lower than the state median of $394,500. The home-value-to-income ratio is 4.1x. 50.8% of occupied housing units are owner-occupied. This homeownership rate is 25% lower than the state average of 67.4%.
Race & Ethnicity
The largest racial or ethnic group in Duncan is White (non-Hispanic), making up 58.4% of the population. Hispanic or Latino residents account for 25.4%.
Education
13.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 60% lower than the state rate of 33.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 70.6%.
Data Sources & Methodology
All demographic data for Duncan, Arizona is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Arizona state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 441 Census-designated places in Arizona. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Arizona city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Duncan, Arizona?
Duncan, Arizona has a population of 969 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Duncan, AZ?
The median household income in Duncan is $33,529, which is 58% lower than the national median of $80,734.
What is the poverty rate in Duncan, AZ?
The poverty rate in Duncan is 36.5%. This means approximately 352 residents live below the federal poverty line.
What is the racial makeup of Duncan, Arizona?
Duncan's population is 58.4% White, 0.0% Black, 25.4% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Duncan, AZ?
The median home value in Duncan is $139,000. The home-value-to-income ratio is 4.1x.
How educated is Duncan, Arizona?
13.5% of adults (25+) in Duncan hold a bachelor's degree or higher, and 4.2% hold a graduate or professional degree.