Total Population: 3728104
Density : 1098 per sq.km
Female : 1876062
Male: 1852042
Elderly : 312683
Literates: 2791721(84.03%)
Urban Population: 2428395(65.10%)
Total Main Workers: 1247918
Marginal workers : 290136
Non workers : 2190050
Eco-sensitive aspects: TN wetland Mission
Total wetland area : 53863 ha
Ramsar sites: Araniar, Pulicat Lake Birds Sanctuary