In 2019, Duncanville, TX had a population of 39.4k people with a median age of 36.7 and a median household income of $56,412. Between 2018 and 2019 the population of Duncanville, TX declined from 39,630 to 39,415, a −0.543% decrease and its median household income grew from $55,224 to $56,412, a 2.15% increase.
The 5 largest ethnic groups in Duncanville, TX are Black or African American (Non-Hispanic) (34.1%), White (Hispanic) (30.5%), White (Non-Hispanic) (23.7%), Other (Hispanic) (7.07%), and Two+ (Hispanic) (1.75%). 0% of the households in Duncanville, TX speak a non-English language at home as their primary language, and 92.6% of the residents in Duncanville, TX are U.S. citizens.
In 2019, the median property value in Duncanville, TX was $149,600, and the homeownership rate was 63.9%. Most people in Duncanville, TX drove alone to work, and the average commute time was 26.5 minutes. The average car ownership in Duncanville, TX was 2 cars per household.