Dumarsola is a village in Bhawnathpur tehsil in district of Garhwa, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Dumarsola was 3,748 which includes 1,987 males and 1,761 females. Dumarsola covers 455.02 ha area. Pincode of Dumarsola is 822120.