Duncanville

County:: Dallas County
County Seat:: No
Area (mi²):: 11.202
State:: Texas

Duncanville is a city located in Dallas County, Texas. Duncanville has a 2025 population of 37,787. Duncanville is currently declining at a rate of -1.43% annually and its population has decreased by -6.76% since the most recent census, which recorded a population of 40,526 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.

Demographics

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.

Population by Race

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%

Duncanville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

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
Married Families	$105,086	-
Families	$85,081	$100,006
Households	$71,381	$88,432
Non Families	$42,900	$51,001

$44,709

Average Income

$71,381

Median Household Income

9.94%

Poverty Rate