Duncanville is a city located in Dallas County, Texas. Duncanville has a 2025 population of 38,870 . Duncanville is currently declining at a rate of -0.85% annually and its population has decreased by -4.1% since the most recent census, which recorded a population of 40,533 in 2020.
The average household income in Duncanville is $88,432 with a poverty rate of 9.94%. The median age in Duncanville is 37.2 years: 35.9 years for males, and 38.6 years for females. For every 100 females there are 89.9 males.
Data after 2023 is projected based on recent change
The racial composition of Duncanville includes 34.56% White, 30.64% Black or African American, 16.51% other race, and smaller percentages for Asian, Native American and multiracial populations.
White (34.56%)
Black or African American (30.64%)
Other race (16.51%)
Two or more races (16.25%)
Asian (1.3%)
Native American (0.73%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,782 | 34.56% |
| Black or African American | 12,219 | 30.64% |
| Other race | 6,585 | 16.51% |
| Two or more races | 6,480 | 16.25% |
| Asian | 520 | 1.3% |
| Native American | 293 | 0.73% |
Married
Widowed
Divorced
Separated
Never Married
Duncanville's average per capita income is $44,709. Household income levels show a median of $71,381. The poverty rate stands at 9.94%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,086 | - |
| Families | $85,081 | $100,006 |
| Households | $71,381 | $88,432 |
| Non Families | $42,900 | $51,001 |
Average Income
Median Household Income
Poverty Rate