There are presently 11 Cities in Supaul.
The Total population of the Supaul is 2.23 Million.
As per Cities Census 2011, the most populated city in Supaul District is Supaul, BI with a population of 360,198
where as the least populated city in the Supaul is Nirmali, BI with a population of 98,435.
As per The 2011 census of Supaul Cities, Supaul, BI is the highest literate city with 60% of
literacy rate where as Pipra, BI is the least literate city with a literacy rate of 54%.
The census 2011 of Supaul Cities also shows that Marauna, BI represents the highest sex ratio with 943 females per 1000 males while Supaul, BI features the lowest sex ratio in India with just 918 female per 1000 males
Supaul District has total Area 2,425 square meters and over out of which 99% is rural area where as 1% is urban.
Supaul District has total household 443,073 from which 95% is in rural area and 5% is urban area.
Supaul District has total 1,033,283 Literacy Out of which 63% are male and 37% are female.
Supaul District has total 877,682 Worker Out of which 63% are male and 37% are female.
Supaul District has total Population of 2,229,076 Out of which 52% are male and 48% are female.