The current metro area population of Khammam in 2025 is 383,000, a 2.41% increase from 2024.

• The metro area population of Khammam in 2024 was 374,000, a 2.47% increase from 2023.
• The metro area population of Khammam in 2023 was 365,000, a 2.53% increase from 2022.
• The metro area population of Khammam in 2022 was 356,000, a 2.59% increase from 2021.