Donwar Kalan is a village in Jogapatti tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Donwar Kalan was 3,810 which includes 1,987 males and 1,823 females. Donwar Kalan covers 280 ha area. Pincode of Donwar Kalan is N/A.