The density is defined as the number of persons per square kilometer. The population density has gone up from 267 persons in 1991 to 324 per sq km in 2001.In 1901 it was 77 persons.
The density has increased by 21.3% in 2001 as compared to 1991.Large increase in the density of population puts pressure on the limited resources available and adversely affects the quality of life.
In India there is large variation across the states and Union territories in terms of density due to the wide differences in climate and resources.Arunchal Pradesh with a density of 13 at one extreme and Delhi with a density of 9,340 at the other. While all the states and Union territories have shown an increase in density there are wide variations in the rates of increase. West Bengal is most densely populated state followed by Bihar and Kerala.