Barnagaria is a village in Gaighata tehsil in district of North Twenty Four Parganas, West Bengal, India. As per the data provided by Census of India in 2011, total population of Barnagaria was 4,789 which includes 2,477 males and 2,312 females. Barnagaria covers 653.65 ha area. Pincode of Barnagaria is 743249.