### Demographics
| Category | Details | | :--- | :--- | | **Total Population** | ~72.1 Million (2011 Census) / Est. 76+ Million (Current) | | **Density** | 555 persons per sq. km (2011) | | **Urbanization** | ~48.4% (Highly urbanized state) | | **Primary Language** | Tamil (Official and majority) | | **Other Languages** | Telugu, Kannada, Urdu, Malayalam, English (widely spoken) | | **Religion** | Hindu (~87%), Christian (~6%), Muslim (~5%), Others (~2%) | | **Gender Ratio** | 996 females per 1000 males (above national average) |
_Note: Detailed official data is based on the 2011 National Census of India. A newer census is pending._