Samastipur is a district in Bihar, India. As per the data provided by Census of India in 2011, total population of Samastipur was 4,261,566 with a growth rate of 25.53%. Samastipur covers 2,904 Km2 area. Sex ratio of Samastipur's population is 911 females for every 1000 males, while child sex ratio is 923 females out of 1000 males.
For better understaing, details are categorized in four sections i.e. Population of Samastipur, Urban/Rural population of Samastipur, Literacy data of Samastipur and Religion wise data of Samastipur. Below are the full details and list of tehsils in Samastipur, Bihar, India. Select any of these to know detailed information about them.