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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Other race

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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