Uperkainsari is a village in Kendujhar Sadar tehsil in district of Kendujhar, Odisha, India. As per the data provided by Census of India in 2011, total population of Uperkainsari was 251 which includes 112 males and 139 females. Uperkainsari covers 112 ha area. Pincode of Uperkainsari is 758013.