Tiruchirappalli district isone of the 38 districts, located along theKaveri River, inTamil Nadu, India. The headquarters of the district is the city ofTiruchirappalli.
During theBritish Raj, the district was referred to asTrichinopoly, and was a district of theMadras Presidency; it was renamed upon India's declaration of independence in 1947. The district is spread over an area of 4,404 square kilometres (1,700 sq mi) and had a population of 2,722,290 in 2011.

Tiruchirappalli district lies almost at the exact centre of Tamil Nadu. The district has an area of 4,404 square kilometres. It is bounded in the north bySalem district, Northwest byNamakkal district, in the Northeast byPerambalur District, East byAriyalur district andThanjavur District, in the southeast byPudukkottai district andSivagangai district, in the south byMadurai district, in the southwest byDindigul district and, in the west byKarur district. The district shares its borders with 10 other districts, the highest for any district in the state. TheKaveri river flows through the length of the district and is the principal source of irrigation and drinking water.[citation needed]
Kolli Hills form the boundary of Tiruchirapalli andNamakkal districts andPachaimalai Hills form the Boundary ofSalem andPerambalur district with Tiruchirapalli district in the North and North East.[citation needed]
The North most and South most parts of the district are hilly, central part of the district isKaveri plains. Trichy district is diverse in landscape, mixture of Fertile, Delta, Valleys, Hilly areas, Semi Arid Zones. Central part of the district is fertile due to riverKaveri flowing through this district, by splitting the district into North and South. North Central and South Central part of the district is Semi arid and drought prone area, receives less rainfall. EvergreenPachaimalai Hills andKolli Hills form the Stunning and Enchanting Valley in between these two hills. Falls and Streams from these two hills fills up the lakes in valley areas and makes the land irrigated and Fertile.
Pachaimalai Hills receives high rain fall than average during bothNortheast Monsoon as well asSouthwest Monsoon, which makes these hills Greener throughout the year and gives a cool climate.[citation needed]
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According to2011 census, Tiruchirappalli district had a population of 2,722,290 with a sex-ratio of 1,013 females for every 1,000 males, much above the national average of 929. 49.15% of the population lives in urban areas.[5] A total of 272,456 were under the age of six, constituting 139,946 males and 132,510 females.Scheduled Castes and Scheduled Tribes accounted for 17.14% and 0.67% of the population respectively. The average literacy of the district was 74.9%, compared to the national average of 72.99%.[5] The district had a total of 698,404 households. There were a total of 1,213,979 workers, comprising 161,657 cultivators, 319,720 main agricultural labourers, 25,174 in house hold industries, 575,778 other workers, 131,650 marginal workers, 9,012 marginal cultivators, 59,062 marginal agricultural labourers, 5,212 marginal workers in household industries and 58,364 other marginal workers.[6]
| Religion | Percent | |||
|---|---|---|---|---|
| Hinduism | 83.73% | |||
| Christianity | 9.04% | |||
| Islam | 7.01% | |||
| Other or not stated | 0.22% | |||
At the time of the 2011 census, 95.67% of the population spokeTamil, 2.08%Telugu .[8]
| District | No. | Constituency | Name | Party | Alliance | Remarks | ||
|---|---|---|---|---|---|---|---|---|
| Tiruchirappalli | 138 | Manapparai | P. Abdul Samad | DMK (MMK) | SPA | |||
| 139 | Srirangam | M. Palaniyandi | DMK | SPA | ||||
| 140 | Tiruchirappalli (West) | K. N. Nehru | DMK | SPA | Deputy Leader of the House | |||
| 141 | Tiruchirappalli (East) | Inigo S. Irudayaraj | DMK | SPA | ||||
| 142 | Thiruverumbur | Anbil Mahesh Poyyamozhi | DMK | SPA | ||||
| 143 | Lalgudi | A. Soundara Pandian | DMK | SPA | ||||
| 144 | Manachanallur | S. Kathiravan | DMK | SPA | ||||
| 145 | Musiri | N. Thiyagarajan | DMK | SPA | ||||
| 146 | Thuraiyur (SC) | S. Stalin Kumar | DMK | SPA | ||||

In 2013, Tiruchirappalli district went from nine taluks to eleven taluks.[11]
Tiruchirappalli District consists of the following urban centres:

The major rivers are theRiver Kaveri and the River Kollidam.The important rivers across city is Koraiyar, Uyyakondan and Kudamuruti rivers.[citation needed]
The district has a large cattle and poultry population with agriculture workers in the smaller villages likeKalpalayathanpatti.
The riversKaveri andKollidam start branching out to form the Kaveri delta irrigating vast tracts of land in the district. The major crops are rice (vast tracts);sugarcane (vast tracts); banana/plantain;coconut;cotton (small tracts);betel;maize; andgroundnut.
Trichirapalli district is well known for all varieties ofBanana Cultivation. Banana research centre is located in Tiruchirapalli Agricultural University. National Research Centre forBanana,ICAR NRB is also located in Trichy.
Tiruchirapalli district is well known forSugarcane Plantation also, Agriculture Research Centre forSugarcane is located inSirugamani.
Coffee, Hill Jackfruit,Cassava, mountain crops are grown in thePachaimalai Hills of Tiruchirapalli district.
The first fivedivya desam temples are located in tiruchirappalli district.