Duncanville, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Duncanville, Texas is 39,879 as of the 2023 American Community Survey, making it the 91st-largest city in Texas. The median household income is $71,381, the median home value is $239,200, and the median age is 37.2.
The population has grown 1.6% since 2010 (38,585 → 39,203).
39,879
Population
3560
People / sq mi
$71,381
Median Income
$239,200
Median Home Value
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Duncanville covers 11.2 sq mi of land at 3560 people per square mile.
About Duncanville, TX
Educational attainment is the headline number in Duncanville: 23.7% of adults 25 and older have a four-year degree. With 39,879 residents, Duncanville is a city in Texas.
Household earnings are middling, with a median of $71,381 — below the US median of $78,538. Poverty runs at 8.3%, below the national 12.4%. Median home value is $239,200, with typical rent around $1,562.
Degree attainment is on the lower side for US cities: 23.7% of adults hold a bachelor’s degree, below the national 35.0%. About 10.2% of the workforce is home-based, below the national 14.0%, and the average commute runs about 25 minutes each way.
Duncanville city Population History (2010-2024)
The city of Duncanville city had a population of 38,585 in 2010 and 39,203 in 2024, a 1.6% growth over 14 years. The peak was 40,533 in 2020. Average annual growth rate: 0.12%.
39,203
Population (2024)
38,585
Population (2010)
40,533
Peak (2020)
0.12%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 38,585 |
| 2011 | 38,999 |
| 2012 | 39,522 |
| 2013 | 39,605 |
| 2014 | 39,703 |
| 2015 | 39,839 |
| 2016 | 39,662 |
| 2017 | 39,533 |
| 2018 | 39,218 |
| 2019 | 38,751 |
| 2020 | 40,533 |
| 2021 | 39,808 |
| 2022 | 39,556 |
| 2023 | 39,335 |
| 2024 | 39,203 |
Race & Ethnicity
| White | 34.6% |
| Black or African American | 30.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Economy & Income
$71,381
Median Household Income
$30,420
Per Capita Income
8.3%
Poverty Rate
4.5%
Unemployment Rate
Housing
$239,200
Median Home Value
$1,562
Median Rent
65.3%
Owner-Occupied
Education
81.8%
High School+
23.7%
Bachelor's+
Commute
0.1%
Drive Alone
75.6%
Public Transit
10.2%
Work From Home
25.2 min
Avg Commute
Community Profile
17.1%
Foreign Born
64.9%
Non-English at Home
7.1%
Veterans
13.0%
With Disability
78.0%
Health Insurance
95.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.4% |
| Finance, Insurance & Real Estate | 11.2% |
| Education, Health Care & Social Services | 10.6% |
| Retail Trade | 10.0% |
| Manufacturing | 10.0% |
| Construction | 8.1% |
| Arts, Entertainment & Food Services | 7.6% |
| Information | 5.9% |
| Public Administration | 2.6% |
| Transportation & Warehousing | 1.2% |
| Agriculture & Mining | 0.2% |
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Frequently Asked Questions
Duncanville, Texas has a population of 39,879 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 91st-largest city in Texas.
The median household income in Duncanville, Texas is $71,381, with 8.3% of residents living below the federal poverty level.
The median home value in Duncanville, Texas is $239,200, with median monthly rent at $1,562 and a homeownership rate of 65.3%.
The median age in Duncanville, Texas is 37.2 years. The population is 47.3% male and 52.7% female.
The population has grown 1.6% since 2010 (38,585 → 39,203).
Duncanville city, TX Climate
Duncanville city, TX has an average annual temperature of 18.7°C (66°F) and receives about 918 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
18.7°C
Avg Temp
918
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 7° / 45° | 48 mm |
| February | 10° / 50° | 65 mm |
| March | 14° / 58° | 76 mm |
| April | 19° / 65° | 94 mm |
| May | 23° / 73° | 127 mm |
| June | 27° / 81° | 85 mm |
| July | 29° / 85° | 55 mm |
| August | 29° / 84° | 55 mm |
| September | 25° / 77° | 93 mm |
| October | 20° / 67° | 99 mm |
| November | 13° / 56° | 62 mm |
| December | 9° / 48° | 59 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Duncanville city, TX
The most comfortable months to visit Duncanville city, TX are typically October, April and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 35°C high). The coldest is January (near 1°C low). May is usually the wettest month.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.