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Siwan district, Bihar

Siwan is one of the 38 districts of Bihar. Its headquarters is the town of the same name. At the 2011 census it had about 33.3 lakh people.

Facts at a glance

State or union territory
Bihar
Headquarters
Siwan
Name in Hindi
सीवान
Population (2011 census)
33,30,464
Rank in Bihar by population
12th of 38
Area
2,219 sq km
People per sq km (2011)
1,501
Official website
siwan.bih.nic.in
Check or correct
Wikidata entry Q100131
All districts of Bihar

Population in context

With 33,30,464 people in 2011, Siwan ranks 12th among the 38 districts of Bihar for which we have a 2011 figure. The most populous is Patna (58,38,465) and the least populous is Sheikhpura (6,36,342).

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

All 38 districts of Bihar

ArariaArwalAurangabadBankaBegusaraiBhagalpurBhojpurBuxarDarbhangaGayaGopalganjJamuiJehanabadKaimur (Bhabua)KatiharKhagariaKishanganjLakhisaraiMadhepuraMadhubaniMungerMuzaffarpurNalandaNawadaPashchim ChamparanPatnaPurbi ChamparanPurniaRohtasSaharsaSamastipurSaranSheikhpuraSheoharSitamarhiSiwanSupaulVaishali

Questions people ask

Which state is Siwan district in?

Siwan district is in Bihar, India.

What is the headquarters of Siwan district?

The headquarters of Siwan district is Siwan, as recorded on Wikidata.

What is the population of Siwan district?

Siwan district had a population of 33,30,464 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.