Population of Westminster, Massachusetts as of October 2025. How many people live in Westminster today?

The exact population of Westminster, Massachusetts as of October 2025 is estimated at 8,377 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 Westminster.

Check out more data on population in Massachusetts:

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• Population of Quincy
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• Population of Weymouth
• Population of Salem
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• Population of Randolph
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