Siheung, South Korea Metro Area Population | Historical Data | Chart | 1950-2026

The current metro area population of Siheung in 2026 is 452,000, a 0.22% increase from 2025.
  • The metro area population of Siheung in 2025 was 451,000, a 0.45% increase from 2024.
  • The metro area population of Siheung in 2024 was 449,000, a 0.45% increase from 2023.
  • The metro area population of Siheung in 2023 was 447,000, a 0.45% increase from 2022.