Population of Wausau, Wisconsin as of June 2025. How many people live in Wausau today?

The exact population of Wausau, Wisconsin as of June 2025 is estimated at 39,994 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 Wausau.

Check out more data on population in Wisconsin:

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