Population of Duncanville, Texas as of October 2025. How many people live in Duncanville today?

The exact population of Duncanville, Texas as of October 2025 is estimated at 38,524 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Duncanville.

Check out more data on population in Texas:

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