Parsa Kalan is a village in Sonbarsa tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Parsa Kalan was 1,409 which includes 768 males and 641 females. Parsa Kalan covers 151 ha area. Pincode of Parsa Kalan is 843330.