Population of Sunnyvale, California as of February 2025. How many people live in Sunnyvale today?

The exact population of Sunnyvale, California as of February 2025 is estimated at 155,805 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 Sunnyvale.

Check out more data on population in California:

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