Population of Alton, Illinois as of June 2024. How many people live in Alton today?

USA / Illinois / Alton

The exact population of Alton, Illinois as of June 2024 is estimated at 25,676 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 Alton.

Population of Alton, IL

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This population of Alton IL is provided by US bureau of statistics.
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