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 2026 population of 39,203. Duncanville is currently declining at a rate of -0.34% annually and its population has decreased by -3.28% since the most recent census, which recorded a population of 40,533 in 2020.

39.2K
Total Population
3,500
Density (mi²)
-132 -0.34%
Growth

Nearby Cities

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)