Marhia is a village in West Champaran district in the Indian state of Bihar.

As of 2011 India census, Marhia had a population of 4120 in 759 households.

Males constitute 52.1% of the population and females 47.8%.

In Marhia, 19.49% of the population is under 6 years of age.

This article related to a location in Bihar is a stub.