Lohar Gawan is a village in Kesaria tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Lohar Gawan was 3,899 which includes 2,061 males and 1,838 females. Lohar Gawan covers 354 ha area. Pincode of Lohar Gawan is N/A.