The current metro area population of Daejon in 2025 is 1,586,000, a 0.25% increase from 2024.

• The metro area population of Daejon in 2024 was 1,582,000, a 0.32% increase from 2023.
• The metro area population of Daejon in 2023 was 1,577,000, a 0.25% increase from 2022.
• The metro area population of Daejon in 2022 was 1,573,000, a 0.25% increase from 2021.