The current metro area population of Dayton in 2025 is 754,000, a 0.53% increase from 2024.

• The metro area population of Dayton in 2024 was 750,000, a 0.54% increase from 2023.
• The metro area population of Dayton in 2023 was 746,000, a 0.4% increase from 2022.
• The metro area population of Dayton in 2022 was 743,000, a 0.27% increase from 2021.