Duncanville is located in Alabama. Duncanville, Alabama has a population of 4,616. Duncanville is less family-centric than the surrounding county with 18% of the households containing married families with children. The county average for households married with children is 27%.
The median household income in Duncanville, Alabama is $58,814. The median household income for the surrounding county is $57,204 compared to the national median of $66,222. The median age of people living in Duncanville is 40.6 years.
The average high temperature in July is 91.4 degrees, with an average low temperature in January of 33.46 degrees. The average rainfall is approximately 52.76 inches per year, with inches of snow per year.