The current metro area population of Hillah in 2025 is 673,000, a 2.44% increase from 2024.

• The metro area population of Hillah in 2024 was 657,000, a 2.5% increase from 2023.
• The metro area population of Hillah in 2023 was 641,000, a 2.07% increase from 2022.
• The metro area population of Hillah in 2022 was 628,000, a 2.11% increase from 2021.