Thiruvarur district

Thiruvarur district is one of the districts in Tamil Nadu, South India. Thiruvarur town is the district headquarters of Tamil Nadu. 
Before 1991 Thiruvarur district and Nagapattinam district were part of the Thanjavur district. After that, the present Taluks of Thiruvarur district and Nagapattinam district were separated from the Thanjavur District, and formed the Nagapattinam district. 
The total area of Thiruvarur district is 2161 km². Major towns of the district are Thiruvarur, Thiruthuraipoondi, Nachikulam, Muthupettai and Mannargudi.
Population.
In the 2011 census of India, Thiruvarur district had a population of 1,264,277. There was a sex-ratio of 1,017 females for every 1,000 males, much above the national average of 929. Scheduled Castes were 34.08% of the population. Scheduled Tribes were .24% of the population. The average literacy of the district was 74.86%, close to the national average.