Tumkur district is an administrative district in the state of Karnataka in India. The district headquarters are located at Tumkur. The district occupies an area of 10,598 km² and had a population of 2,584,711, of which 19.62% were urban as of 2001. It is a one and a half hour drive from Bangalore, the capital of Karnataka.The district is known for the production of Coconut, is called as 'Kalpataru Nadu'.It consists chiefly of elevated land intersected by river valleys.