Semari Kalan is a village in Lalganj tehsil in district of Mirzapur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Semari Kalan was 1,548 which includes 801 males and 747 females. Semari Kalan covers 137.96 ha area. Pincode of Semari Kalan is 231211.