There are presently 14 Cities in Purnia.
The Total population of the Purnia is 3.26 Million.
As per Cities Census 2011, the most populated city in Purnia District is Purnia, BI with a population of 445,326
where as the least populated city in the Purnia is Srinagar, BI with a population of 110,058.
As per The 2011 census of Purnia Cities, Purnia, BI is the highest literate city with 65% of
literacy rate where as Baisi, BI is the least literate city with a literacy rate of 41%.
The census 2011 of Purnia Cities also shows that Baisi, BI represents the highest sex ratio with 935 females per 1000 males while Banmankhi, BI features the lowest sex ratio in India with just 912 female per 1000 males
Purnia District has total Area 3,229 square meters and over out of which 96% is rural area where as 4% is urban.
Purnia District has total household 647,777 from which 90% is in rural area and 10% is urban area.
Purnia District has total 1,332,326 Literacy Out of which 60% are male and 40% are female.
Purnia District has total 1,143,318 Worker Out of which 70% are male and 30% are female.
Purnia District has total Population of 3,264,619 Out of which 52% are male and 48% are female.