| Name | Status | Population census 1991-03-01 | Population census 2001-03-01 | Population census 2011-02-09 | |
|---|---|---|---|---|---|
| Nagapattinam | District | 1,377,700 | 1,488,839 | 1,614,069 |
Source: Office of the Registrar General and Census Commissioner (web), Delimitation Commission of India (web).
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