Bihar is a state with 38 districts in the official directory. Going by 2011 census figures, the most populous is Patna (58,38,465 people) and the least populous is Sheikhpura (6,36,342).
The names are those in the official directory. "Not recorded" means Wikidata has no value for that district, or the value failed our checks. Population is from the 2011 census, the last full census, so districts created later may show the figure of the area they were carved from, or none.
Questions people ask
How many districts are there in Bihar?
Bihar has 38 districts in the Government of India web directory (iGOD), as on 11 November 2026.
Which is the largest district of Bihar by population?
By 2011 census figures recorded on Wikidata, Patna is the most populous district of Bihar, with 58,38,465 people.
Which is the smallest district of Bihar by population?
By 2011 census figures recorded on Wikidata, Sheikhpura is the least populous, with 6,36,342 people. Districts without a 2011 figure are not counted.
Which is the largest district of Bihar by area?
Among the districts with an area on record, Kaimur (Bhabua) is the largest at 8,268 sq km, as recorded on Wikidata.
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.
Districts of India