There are presently 19 Cities in Siwan.
The Total population of the Siwan is 3.33 Million.
As per Cities Census 2011, the most populated city in Siwan District is Siwan, BI with a population of 340,983
where as the least populated city in the Siwan is Nautan, BI with a population of 90,714.
As per The 2011 census of Siwan Cities, Siwan, BI is the highest literate city with 74% of
literacy rate where as Lakri Nabiganj, BI is the least literate city with a literacy rate of 64%.
The census 2011 of Siwan Cities also shows that Hasanpura, BI represents the highest sex ratio with 1047 females per 1000 males while Siwan, BI features the lowest sex ratio in India with just 940 female per 1000 males
Siwan District has total Area 2,219 square meters and over out of which 99% is rural area where as 1% is urban.
Siwan District has total household 535,661 from which 95% is in rural area and 5% is urban area.
Siwan District has total 1,930,175 Literacy Out of which 58% are male and 42% are female.
Siwan District has total 932,416 Worker Out of which 78% are male and 22% are female.
Siwan District has total Population of 3,330,464 Out of which 50% are male and 50% are female.