The current metro area population of Khammam in 2026 is 392,000, a 2.35% increase from 2025.

• The metro area population of Khammam in 2025 was 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.