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

As of 2011 India census, Maldahia had a population of 3909 in 671 households.

Males constitute 52.13% of the population and females 47.86%.

In Maldahia, 24.68% of the population is under 6 years of age.

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