Darbhangā is a twin city and a municipal corporation and the capital city of the Darbhanga district and Darbhanga Division in the state of Bihar, India. It is one of the most important districts of North Bihar situated in the very heart of Mithilanchal.[citation needed] According to the latest 2011 census, the total population of the district is 3,921,971, of which about 91.30% live in rural areas. There are 511,125 people in scheduled castes, while there are only 841 people in scheduled tribes; together, they accounted for 15.53% of the total population. The total male population is 2,053,043, with the female population being 1,868,928. The population density is as high as 1,721 per km2 and the sex ratio is 910[clarification needed]. 290,889 families were below the poverty line, with 1,745,334 people (66.28% of the population).