List of cities in Bihar by population

Bihar is administratively divided into 9 divisions and 38 districts.

For the administration of urban areas, Bihar has 19 municipal corporations, 89 nagar parishads (city councils), and 154 nagar panchayats (town councils).

[1][2][3][4][5][6][7] In the census of India 2011, an urban agglomeration is defined as follows:[9] "An urban agglomeration is a continuous urban spread constituting a town and its adjoining outgrowths (OGs), or two or more physically contiguous towns together with or without outgrowths of such towns.

An Urban Agglomeration must consist of at least a statutory town and its total population (i.e. all the constituents put together) should not be less than 20,000 as per the 2001 Census.

The constituents of urban agglomerations in Bihar, with a population of 100,000 or above, are noted below:[10] Urban agglomerations constituents with a population above 100,000 as per 2011 census are shown in the table below.