Barnaidadar is a village in Pithora tehsil in district of Mahasamund, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Barnaidadar was 1,746 which includes 862 males and 884 females. Barnaidadar covers 613.24 ha area. Pincode of Barnaidadar is 493555.