Koriyama, Japan Metro Area Population (1950-2026)
The current metro area population of Koriyama in 2026 is 323,000, a 0.31% decline from 2025.
- The metro area population of Koriyama in 2025 was 324,000, a 0.31% decline from 2024.
- The metro area population of Koriyama in 2024 was 325,000, a 0.61% decline from 2023.
- The metro area population of Koriyama in 2023 was 327,000, a 0.3% decline from 2022.
The full historical dataset is available for download here: Koriyama, Japan Metro Population | Historical Data | 1950-2026.