The RTO Code of Tumkur is KA06[9] Nidugal Cholas were ruled this region between 8th to 13th century.

Major General Richard Stewart Dobbs was the first collector of the district (term of office 1835–1861), who was key responsible for the establishment of Munro system of administration.

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 mineral wealth of Tumakuru is considerable; iron is obtained in large quantities from the hillsides; and excellent building-stone is quarried.

Although, tigers have been recorded from these forests as late as the 1950s, most recent reports are of stray sightings and need confirmation.

According to the 2011 census Tumakuru district has a population of 2,678,980,[14] roughly equal to the nation of Kuwait[20] or the US state of Nevada.

[21] The district ranked 4th place in terms of population in Karnataka after Bengaluru, Belagavi and Mysuru.

The Ganga family ruled over the southern and eastern districts of the State from early in the Christian era to 1025 A.D.

Tumakuru is now a middle class majority city, with a literacy rate of 80%, mainly traders, government employees, small and medium industrialists, self-employed individuals etc.

The GDP of Tumkur is around 6045184 Rs lakh (2019–20) and the total collection of income tax in the last financial year was approximately 800 million.

Being an agrarian economy, the major plantation crops of Tumkur are coconuts and areca nuts.

Iron ore, manganese and granite are the major minerals found in Tumkur district.

13500 acres and the HAL Helicopter manufacturing facility (Nr Gubbi) 610 acres will be developed as integrated industrial townships with state-of-the art infrastructure and land use on the basis of zoning; clean and energy efficient technology; necessary social infrastructure; skill development facilities, etc., for promoting world class manufacturing activity.

Tumkur is home to 24 large scale industries with an investment of 9114.2 million and generating an employment for 6445 persons.

Where as Tumakuru (south) includes 6 taluks as Chikkanayakanahalli,Gubbi,Kunigal,Tiptur,Tumakuru and Turuvekere.And Tumkur (north) Madhugiri district includes 4 taluks namely koratagere, Madhugiri, Pavagada and Sira.Tumkur(south) considered as education hub nowadays.