Bayarmari is a village in Sandeshkhali I 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 Bayarmari was 3,998 which includes 2,035 males and 1,963 females. Bayarmari covers 448.66 ha area. Pincode of Bayarmari is 743442.