Duncanville, Texas Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Duncanville, TX Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below average
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D
Income Well below average
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D
Education Well below average
Source: Map AI Methodology
Population
| Metric | Duncanville | Texas Avg | U.S. Average |
|---|---|---|---|
| Population | 39,879 | 30,160,889 | 337,468,954 |
| Population density (per sq mi) | 3556.1 | 112.2 | 86.4 |
| Population growth (%/yr) | 0.53% | 1.41% | 0.59% |
| Median age | 36.5 | 35.9 | 37.3 |
| Households | 13,262 | 10,982,153 | 130,235,071 |
Population in Duncanville grew by 15.4% from 2009 to 2024, reaching 39,879 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Duncanville is Gen Z, aged 13–28, at 22.2% of residents. That is 1.3 points below Texas as a whole.
- Gen Z 13–28 8,855 22.2% -1.3 pts
- Millennials 29–44 8,239 20.7% -2.3 pts
- Gen X 45–60 7,427 18.6% -0.8 pts
- Boomers 61–79 6,554 16.4% +3.2 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Texas, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 52.5% of the people living in Duncanville and men 47.5%.
- Women 52.5% Texas 50.1%
- Men 47.5% Texas 49.9%
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Economy
Duncanville has a the economy index of D, which means it is barely prosperous.
| Metric | Duncanville | Texas Avg | U.S. Average |
|---|---|---|---|
| Median household income | $77,060 | $78,939 | $80,455 |
| Income growth (%/yr) | 5.33% | 4.56% | 4.80% |
| Unemployment rate | 6.8% | 5.2% | 5.2% |
The median household income in Duncanville is about 2% lower than in Texas.
Housing
| Metric | Duncanville | Texas Avg | U.S. Average |
|---|---|---|---|
| Median home price | $1,007,970 | $258,873 | $248,835 |
| Median rent | $1,627 | $1,402 | $1,407 |
| Homeownership rate | 66.1% | 62.6% | 65.2% |
The median home price in Duncanville is about 51.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,627 per month for that long.
Commute Time & Mobility
Commuters in Duncanville spend about 51 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 212 hours, about 8.8 full days, spent commuting.
| Metric | Duncanville | Texas Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.4 | 22.8 | 22.4 |
| Round-trip commute (min) | 50.8 | 45.6 | 44.8 |
| Yearly time spent (hours) | 212 | 190 | 187 |
| Estimated yearly cost | $6,562 | $5,888 | $5,790 |
| Work from home | 11.9% | 14.4% | 15.0% |
| Highway traffic (vehicles/day) | 36,971 | 9,879 | 8,813 |
| Local road traffic (vehicles/day) | 1,829 | 1,441 | 1,355 |
The average commute time in Duncanville is 25 minutes, longer than the 23 minutes in Texas.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Duncanville has a education index of D, which means it is barely educated.
| Metric | Duncanville | Texas Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 22.0% | 29.3% | 31.6% |
| Average household size | 2.98 | 2.69 | 2.53 |
Health
Duncanville has a health index of C, which means it is somewhat healthy.
| Metric | Duncanville | Texas Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.1 | 78.0 | 78.3 |
| Self-rated poor health | 19.5% | 21.1% | 16.3% |
| Smokers | 18.0% | 19.9% | 19.0% |
Duncanville, TX Compared With Nearby Cities
How Duncanville, TX compares with the 2 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Duncanville, TX | 39,879 | $77,060 #3/3 | $1,007,970 #1/3 | 25.4 min #1/3 |
| DeSoto, TX | 59,125 | $83,048 | $421,914 | 30.3 min |
| Cedar Hill, TX | 48,306 | $96,884 | $370,510 | 30.6 min |
Frequently Asked Questions
Common questions about Duncanville, Texas.
How big is Duncanville, Texas by population?
About 39,879 people live in Duncanville, Texas, in 13,262 households of 3.0 people on average. The median age is 36.5, close to the U.S. median of 37.3.
Is Duncanville, Texas mostly urban or rural?
Averaged over its land area, Duncanville, Texas has 3,556 people per square mile, a density typical of a city. That is about 41 times the U.S. average of 86.
Can a typical household afford a home in Duncanville, Texas?
The median home costs 13.1 times the median household income ($1,007,970 against $77,060), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,627 a month takes about 25% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Duncanville, Texas?
Unemployment in Duncanville, Texas is 6.8%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.
How educated are people in Duncanville, Texas?
22.0% of adults in Duncanville, Texas hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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