Districts of IndiaPopulation in context
With 42,61,566 people in 2011, Samastipur ranks 6th 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 Samastipur has been divided or redrawn since 2011, the figure is for the district as it was then.
All 38 districts of Bihar
Questions people ask
Which state is Samastipur district in?
Samastipur district is in Bihar, India.
What is the headquarters of Samastipur district?
The headquarters of Samastipur district is Samastipur, as recorded on Wikidata.
What is the population of Samastipur district?
Samastipur district had a population of 42,61,566 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.