Duncanville city, Texas Demographics & Population 2026

Population Overview

Duncanville city is a mid-sized community located in Texas. The total population is 39,879. It ranks as the 91st most populous out of 1,800 cities and towns in Texas.

Age Demographics

The median age in Duncanville city is 37.2 years. This is 5% higher than the state median of 35.5 years.

Economy, Income & Housing

The median household income in Duncanville city is $71,381. This is 6% lower than the state median of $76,292. Compared to the national median of $78,538, household income here is 9% lower. The poverty rate stands at 9.9%. This is 28% lower than the state poverty rate of 13.8%. The unemployment rate is 7.3%. This is 42% higher than the state rate of 5.1%. The median home value is $239,200. Housing costs are 8% lower than the state median of $260,400. The home-value-to-income ratio is 3.4x. 65.3% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 62.6%.

Race & Ethnicity

Duncanville city is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Black or African American residents account for 30.4%. The Black or African American population is significantly higher than the state average (30.4% vs 11.9%). The Asian population (1.3%) is well below the state average of 5.3%.

Education

23.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 28% lower than the state rate of 33.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 81.8%.

Data Sources & Methodology

All demographic data for Duncanville city, Texas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,800 Census-designated places in Texas. For official data, visit data.census.gov.