Population of Lewistown, Montana as of September 2025. How many people live in Lewistown today?

USA / Montana / Lewistown

The exact population of Lewistown, Montana as of September 2025 is estimated at 6,149 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 Lewistown.

Population of Lewistown, MT

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Check out more data on population in Montana:

Population of Butte
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This population of Lewistown MT is provided by US bureau of statistics.
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