Tumkur district is an administrative district in the state of Karnataka in India. The district headquarters are located at Tumakur. 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. A range of hills rising to nearly 4,000 feet (1,200 m) crosses it from north to south, forming the watershed between the systems of the Krishna and the Kaveri. The principal streams are the Jayamangala and the Shimsha. The mineral wealth of Tumakuru is considerable; iron is obtained in large quantities from the hillsides; and excellent building-stone is quarried. The slopes of the Devarayanadurga hills are clothed with forests. Wildlife such as leopards, bears and wild boar have been recorded here. Although, tigers have been recorded from these forests as late as the 1950s, most recent reports are of stray sightings and need confirmation. The annual rainfall averages 39 inches.
Prime Minister Narendra Modi inaugurated a mega food park in Tumkur, on 24 September 2014. The park has been developed with the support of the Ministry of Food, state and central governments. Future Group's food park is first of its kind in India with the group investing about Rs 250 crore in the project. Till date, 50 units have been established for food processing 
Tumakuru is a good study center from primary education to higher education. It has its own university. Within this town, there are seventechnology institutions, one medical institution and one dental institution.
Dr. Nazeer Ahmed, Former NASA Scientist, Philanthropist & Ex-MLA
G. S. Paramasivaiah, Student of the Nobel-laureate Sir CV Raman was the first Principal of the Karnatak Science College, Dharwad. He was also the Secretary of KLE Society Belgaum and played an important role in founding of Karnatak University.