Duncanville is located in Texas. Duncanville, Texas has a population of 39,636. Duncanville is less family-centric than the surrounding county with 21.48% of the households containing married families with children. The county average for households married with children is 33.34%.
The median household income in Duncanville, Texas is $53,222. The median household income for the surrounding county is $53,626 compared to the national median of $57,652. The median age of people living in Duncanville is 36.5 years.
The average high temperature in July is 94.6 degrees, with an average low temperature in January of 33.5 degrees. The average rainfall is approximately 39.2 inches per year, with 1.1 inches of snow per year.
