City profile
Duncanville, TX
Dallas County · Population 39,683
Duncanville is a town in Dallas County, TX with about 39,683 residents and a typical home value near $256,000. It is 11 miles from Dallas, TX, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Warm & sunny
Winter avg
48°F
Summer avg
86°F
Sunny days / yr
234
Home prices & cost of living
Median home price
$255,500
Typical monthly housing
$1,771
Cost of living (100 = U.S.)
90
Taxes
- Property tax
- 1.80%
- State income tax (top)
- None
- Social Security
- Not taxed
- Pensions
- Not taxed
- Sales tax (state + avg. local)
- 8.20%
FEMA natural hazard risk
Very High · county score 100/100
Top hazards: Hail, Heat wave, Cold wave
Nearest major airport
14 mi to Dallas Love Field (DAL)
Political lean (2024 county vote)
Leans Democratic · 60% Democratic / 38% Republican
Community
Population
39,683
Black population
29.5%
County
Dallas County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸TX is gaining retirees — a sign of strong retiree services and community
- ▸Home insurance premiums are rising quickly here
- ▸Home prices are softening in 2026 — more room to negotiate
- ▸Climate/cost risks to check: extreme heat, hail
Highlights
- About 39,683 residents
- Typical home value about $256,000
- 11 miles from Dallas, TX
Trade-offs
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.