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Duncanville, TX ZIP codes

Duncanville, Texas has 3 ZIP codes, including 1 PO Box ZIP. They are in Dallas County.

Population in these ZIPs
39,683
Avg. median income
$74,800population-weighted
Typical home value
$274,300population-weighted
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ZIP codes within 10 miles

Duncanville, TX ZIP codes list

Duncanville, TX ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
75116Dallas County19,954$67,390$269,800
75137Dallas County19,729$82,253$278,900
75138 PO BoxDallas County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

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Frequently asked questions

What is the ZIP code for Duncanville, TX?

Duncanville, TX has 3 ZIP codes: 75116, 75137 and 75138.

What county is Duncanville, Texas in?

Duncanville ZIP codes are in Dallas County.

Which Duncanville ZIP codes are PO Boxes?

75138 is a PO Box or single-organization ZIP code; it has no residential delivery area.