Population in context
With 25,59,297 people in 2011, Siddharthnagar ranks 36th among the 75 districts of Uttar Pradesh for which we have a 2011 figure. The most populous is Prayagraj (59,54,391) and the least populous is Mahoba (8,75,958).
District boundaries change. If Siddharthnagar has been divided or redrawn since 2011, the figure is for the district as it was then.
All 75 districts of Uttar Pradesh
Questions people ask
Which state is Siddharthnagar district in?
Siddharthnagar district is in Uttar Pradesh, India.
What is the headquarters of Siddharthnagar district?
The headquarters of Siddharthnagar district is Navgarh, as recorded on Wikidata.
What is the population of Siddharthnagar district?
Siddharthnagar district had a population of 25,59,297 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.