The current metro area population of Gumi in 2025 is 401,000, a 0.5% increase from 2024.

• The metro area population of Gumi in 2024 was 399,000, a 0.76% increase from 2023.
• The metro area population of Gumi in 2023 was 396,000, a 0.51% increase from 2022.
• The metro area population of Gumi in 2022 was 394,000, a 1.03% increase from 2021.