Duncanville Flag

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 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.

38.9K
Total Population
3,470
Density (mi²)
-333 -0.85%
Growth

Duncanville Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)