Sajnapara is a village in Dhupguri tehsil in district of Jalpaiguri, West Bengal, India. As per the data provided by Census of India in 2011, total population of Sajnapara was 3,974 which includes 2,053 males and 1,921 females. Sajnapara covers 290.6 ha area. Pincode of Sajnapara is 735237.