The current metro area population of Dongtai in 2025 is 773,000, a 2.25% increase from 2024.

• The metro area population of Dongtai in 2024 was 756,000, a 2.44% increase from 2023.
• The metro area population of Dongtai in 2023 was 738,000, a 2.64% increase from 2022.
• The metro area population of Dongtai in 2022 was 719,000, a 3.01% increase from 2021.