The population of Okayama, Japan in September 2025. How many residents now in Okayama?

Japan / Okayama

The estimated population of Okayama as of September 2025 is around 720,841 residents. Please note: this population number is an estimate and may slightly change as people get born and die, it also depends on migration to/from Okayama.

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Check out more data on population in Japan:

Yamagata
Saga
Fuchū
Neyagawa
Kure
Sasebo
Hiratsuka

This population of Okayama is provided by the local bureau of statistics.
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