Duncanville, TX Demographics
Duncanville, TX is the 89th most populous of 1862 cities in Texas, with 40,706 residents across 11 square miles. That is about 3,634 people per square mile.
At the 2020 census
| Population | 40,706 |
|---|---|
| Land area | 11 sq mi |
| Density | 3,634 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Duncanville, TX compares to the US
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About this page
City statistics cover the municipal boundary only, not the wider metro area.
Figures come from the 2020 census and the American Community Survey, compared against national averages.