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Theni district, Tamil Nadu

Theni is one of the 38 districts of Tamil Nadu. Its headquarters is Theni Allinagaram. At the 2011 census it had about 12.5 lakh people.

Facts at a glance

State or union territory
Tamil Nadu
Headquarters
Theni Allinagaram
Name in Hindi
थेनी जिला
Population (2011 census)
12,45,899
Rank in Tamil Nadu by population
30th of 37
Area
3,067 sq km
People per sq km (2011)
406
Formed
1996
Official website
theni.nic.in
Map
Open on OpenStreetMap
Check or correct
Wikidata entry Q15196
All districts of Tamil Nadu

Population in context

With 12,45,899 people in 2011, Theni ranks 30th among the 37 districts of Tamil Nadu for which we have a 2011 figure. The most populous is Chennai (46,46,732) and the least populous is Perambalur (5,65,223).

District boundaries change. If Theni has been divided or redrawn since 2011, the figure is for the district as it was then.

Nearby districts

Straight-line distance from the map point of Theni to the map points of the nearest districts. Road distances are longer.

All 38 districts of Tamil Nadu

AriyalurChengalpattuChennaiCoimbatoreCuddaloreDharmapuriDindigulErodeKallakurichiKancheepuramKanniyakumariKarurKrishnagiriMaduraiMayiladuthuraiNagapattinamNamakkalPerambalurPudukkottaiRamanathapuramRanipetSalemSivagangaTenkasiThanjavurThe NilgirisTheniThiruvallurThiruvarurThoothukkudiTiruchirappalliTirunelveliTirupathurTiruppurTiruvannamalaiVelloreViluppuramVirudhunagar

Questions people ask

Which state is Theni district in?

Theni district is in Tamil Nadu, India.

What is the headquarters of Theni district?

The headquarters of Theni district is Theni Allinagaram, as recorded on Wikidata.

What is the population of Theni district?

Theni district had a population of 12,45,899 at the 2011 census, as recorded on Wikidata. A newer census figure is not yet available.

About these facts. The list of districts is the official one from iGOD, the Government of India web directory, as on 11 November 2026. Headquarters, 2011 population, area and other details are from Wikidata, an open database edited by volunteers, read on 11 November 2026. They can contain mistakes. For anything important, check the district's official website. This is not a government site.