Tonk District is a district of the state of Rajasthan in western India. The city of Tonk is the administrative headquarters of the district. The district is bounded on the north by Jaipur district, on the east by Sawai Madhopur district, on the southeast by Kota district, on the south by Bundi district, on the southwest by Bhilwara district, and on the west by Ajmer district.
Tonk is on National Highway 12, 100 km from Jaipur. It is in the northeastern part of the state between 75.19' and 76.16 East longitude and 25.41' and 26.24' North latitude. The total area is 7194 km2 (as per 2002-03).
It is one of the four districts headquarters of Rajasthan state that are not directly connected with rail. The nearest railway station, Newai, is within the district but is 30 km from the district headquarters.
In 2006 the Ministry of Panchayati Raj named Tonk one of the country's 250 most backward districts (out of 640). It is one of the 12 districts in Rajasthan receiving funds from the Backward Regions Grant Fund (BRGF).
Most of the population depends on agriculture.
There are seven sub-divisions and tehsils: Deoli, Malpura, Newai, Todaraisingh, Tonk, Uniara and Peeplu. Tonk is Nagar-Parishad while Deoli, Malpura, Newai, Todaraisingh and Uniara are Nagar-Palikas. There were 1093 villages in the district according to the 2001 census.