Dumar Kothi is a village in Rasra tehsil in district of Ballia, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Dumar Kothi was 241 which includes 117 males and 124 females. Dumar Kothi covers 81.32 ha area. Pincode of Dumar Kothi is N/A.