The self-enumeration process for Census 2027 started in Tamil Nadu on 17 July 2026 as part of the first phase of the Census exercise.
Citizens can enter their family details themselves through the official Census self-enumeration portal, which is available in 16 languages.
The self-enumeration facility will continue from 17 July to 31 July 2026, and citizens will receive a unique Self-Enumeration ID after submission.
During the House Listing and Housing Census, scheduled from 1 August to 30 August 2026, people can share their Self-Enumeration ID with Census officials.
Census 2027 will be conducted in a digital format for the first time, with enumerators using mobile applications to collect and directly upload data to servers.