City · Texas
Duncanville, Texas
Duncanville, city, in Dallas County, Texas. Duncanville had 38,915 residents on July 1, 2025 by the Census Bureau's estimate, down 4.4% since 2020; the 2020 Census counted 40,706 and the ACS 2020-2024 5-year estimates put it at 39,683 (±60). GEOID 4821628.
Residents, July 2025 estimate
38,915
Census Bureau estimate (no margin published)
2020 Census count: 40,706 · ACS 2020-2024: 39,683 ±60
Median household income
$76,457
±$7,427 (90% margin)
Texas: $78,476
Median home value
$255,500
±$12,524 (90% margin)
Texas: $283,800
Median gross rent
$1,630
±$62 (90% margin)
Texas: $1,403
Where is Duncanville and what county is it in?
Duncanville is a city in Dallas County, Texas. It covers 11.2 square miles of land, 3,634 residents per square mile in 2020.
Duncanville is in the Dallas-Fort Worth-Arlington, TX metropolitan statistical area, which takes in 11 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Duncanville, and is it growing?
The Census Bureau estimates that 38,915 people lived in Duncanville on July 1, 2025, down 4.4% since 2020, while Texas grew 8.8%. The 2020 Census counted 40,706 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 39,683 (±60).
| Measure | Duncanville | Dallas County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 39,683 ±60 | 2,621,179 | +268 |
| Households | 13,215 ±506 | 982,737 | no clear change |
| Average household size | 2.98 ±0.11 | 2.63 | no clear change |
| Housing units | 14,027 ±571 | 1,064,965 | no clear change |
Duncanville's population since 2000
From 36,081 in 2000 to 38,915 in 2025: up 7.9%. The 2000, 2010 and 2020 figures are census counts, each for Duncanville as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Duncanville?
The median resident of Duncanville is 36.2 years old; 27.8% are under 18 and 16.5% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 44.3%, then non-Hispanic Black residents at 29.3%. 16.3% of residents were born outside the United States.
| Measure | Duncanville | Dallas County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 36.2 ±1.8 | 34.1 | no clear change |
| Under 18 years | 27.8% ±2.1 pts | 25.1% | – |
| 65 years and over | 16.5% ±1.6 pts | 11.8% | – |
| Male | 47.7% ±2.2 pts | 49.6% | – |
| Hispanic or Latino (any race) | 44.3% ±3.6 pts | 41.3% | +4.4 pts |
| White alone, not Hispanic | 22.1% ±2.5 pts | 26.4% | no clear change |
| Black or African American alone, not Hispanic | 29.3% ±4.4 pts | 22.1% | no clear change |
| Asian alone, not Hispanic | 1.3% ±0.7 pts | 7.0% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.3% ±0.3 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.3% ±0.8 pts | 2.7% | – |
| Some other race alone, not Hispanic | 0.4% ±0.3 pts | 0.4% | – |
| Born outside the United States | 16.3% ±2.1 pts | 24.8% | +3.3 pts |
| Speak a language other than English at home (age 5+) | 37.1% ±3.1 pts | 42.9% | – |
| Civilian veterans (age 18+) | 6.1% ±1.1 pts | 4.2% | – |
| With a disability | 12.6% ±1.6 pts | 10.9% | – |
| No health insurance coverage | 22.2% ±3.5 pts | 21.5% | +7.6 pts |
| High school graduate or higher (age 25+) | 81.1% ±2.4 pts | 81.9% | – |
| Bachelor's degree or higher (age 25+) | 25.2% ±2.6 pts | 35.7% | no clear change |
| Graduate or professional degree (age 25+) | 8.7% ±1.8 pts | 13.7% | – |
| Lived in the same house a year earlier | 93.1% ±1.9 pts | 86.2% | – |
| Moved from another state in the past year | 0.5% ±0.3 pts | 1.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Duncanville earn?
Half of Duncanville's 13,215 households earn less than $76,457 a year (±$7,427), against $76,547 in Dallas County and $78,476 in Texas. In 2015-2019 it was $69,426 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.6% of residents live below the poverty line.
| Measure | Duncanville | Dallas County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $76,457 ±$7,427 | $76,547 | no clear change |
| Mean household income | $90,959 ±$5,237 | $112,403 | – |
| Per capita income | $30,942 ±$2,046 | $42,559 | no clear change |
| People below the poverty line | 10.6% ±2.5 pts | 13.9% | no clear change |
| Children under 18 below the poverty line | 16.2% ±5.7 pts | 20.3% | no clear change |
| Households receiving SNAP | 12.3% ±2.7 pts | 10.5% | – |
| Households with a computer | 96.0% ±1.6 pts | 96.8% | – |
| Households with a broadband subscription | 93.1% ±1.8 pts | 92.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Duncanville?
Owners occupy 66.0% of Duncanville's occupied homes and renters 34.0%. The median owner-occupied home is valued at $255,500 by its owner (±$12,524). The median renter pays $1,630 a month including utilities, and 52.9% of renters pay 35% or more of their income on rent.
| Measure | Duncanville | Dallas County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $255,500 ±$12,524 | $303,000 | +$71,388 |
| Median gross rent | $1,630 ±$62 | $1,565 | +$227 |
| Renters paying 35% or more of income on rent | 52.9% ±9.1 pts | 42.7% | no clear change |
| Median monthly owner costs, with a mortgage | $1,821 ±$77 | $2,166 | – |
| Owner-occupied homes | 66.0% ±3.4 pts | 50.8% | no clear change |
| Renter-occupied homes | 34.0% ±3.4 pts | 49.2% | – |
| Housing units | 14,027 ±571 | 1,064,965 | no clear change |
| Homeowner vacancy rate | 0.3% ±0.6 pts | 0.9% | – |
| Rental vacancy rate | 6.3% ±3.4 pts | 9.1% | – |
| Single-family detached homes | 73.5% ±3.3 pts | 51.6% | – |
| Mobile homes | 0.6% ±0.6 pts | 1.6% | – |
| Built 2020 or later | 0.1% ±0.2 pts | 2.3% | – |
| Built 2010 to 2019 | 2.2% ±0.9 pts | 12.1% | – |
| Built 1939 or earlier | 1.3% ±0.7 pts | 3.4% | – |
| Households with no vehicle | 4.3% ±1.2 pts | 6.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Duncanville building?
Builders took permits for 0 new housing units in Duncanville in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 6.6 across Texas.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Duncanville work and get to work?
73.5% of Duncanville's workers drive alone and 12.3% work from home. The average trip to work takes 25.5 minutes. The unemployment rate in 2020-2024 averaged 7.1%.
| Measure | Duncanville | Dallas County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.1% ±2.9 pts | 68.8% | – |
| Unemployment rate | 7.1% ±2.4 pts | 5.0% | no clear change |
| Drove alone to work | 73.5% ±3.3 pts | 68.4% | – |
| Carpooled | 11.2% ±2.4 pts | 11.5% | – |
| Public transportation | 0.3% ±0.3 pts | 1.4% | – |
| Walked | 0.9% ±0.7 pts | 1.5% | – |
| Worked from home | 12.3% ±3.0 pts | 15.7% | +9.2 pts |
| Mean travel time to work | 25.5 min ±1.2 | 26.8 min | −1.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Duncanville?
11 census tracts lie mostly in Duncanville, and 5 more reach into it (2020 census blocks). Their median household incomes run from $56,068 (Tract 165.16) to $145,091 (Tract 165.13).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 165.18Dallas County | 6,166 | $62,254 |
| Tract 165.16Dallas County | 5,546 | $56,068 |
| Tract 165.17Dallas County | 4,816 | $74,712 |
| Tract 165.13Dallas County | 5,586 | $145,091 |
| Tract 165.31Dallas County | 3,471 | $72,500 |
| Tract 165.35Dallas County | 3,244 | $83,988 |
| Tract 166.37Dallas County | 3,032 | $80,990 |
| Tract 166.36Dallas County | 2,627 | $78,718 |
| Tract 165.36Dallas County | 2,516 | $71,389 |
| Tract 165.19Dallas County | 2,244 | $95,192 |
| Tract 165.32Dallas County | 2,081 | $65,109 |
| Tract 166.07Dallas County | 3,635 | $27,037 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Duncanville) · Census block assignment files
How does Duncanville compare with other places in Texas?
By the Census Bureau's July 2025 estimates, Duncanville is the 1,066th-most populous of the 19,476 U.S. incorporated places that have one and the 100th-most populous of 1,224 in Texas.
Duncanville ranks 345th of 933 places in Texas with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 100th | 1,224 |
| Growth 2020-2025 (PEP) | 731st | 784 |
| Residents per square mile | 55th | 979 |
| Median household income | 345th | 933 |
| Per capita income | 515th | 978 |
| Median home value | 334th | 950 |
| Median gross rent | 171st | 852 |
| Poverty rate | 516th | 716 |
| Bachelor's degree or higher | 356th | 877 |
| Median age | 509th | 973 |
| Owner-occupied share | 625th | 973 |
| Work from home | 274th | 557 |
| Travel time to work | 500th | 976 |
Duncanville's figures with every place in Texas (CSV)
Every place in Texas, sortable · Compare Duncanville with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Duncanville?
8 of the 57 figures for Duncanville on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Duncanville are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Duncanville.