The current metro area population of Ulsan in 2025 is 916,000, a 0.22% increase from 2024.

• The metro area population of Ulsan in 2024 was 914,000, a 0.11% increase from 2023.
• The metro area population of Ulsan in 2023 was 913,000, a 0.11% increase from 2022.
• The metro area population of Ulsan in 2022 was 912,000, a 0.11% increase from 2021.