Ruidhasa is a village in Thakurganj tehsil in district of Kishanganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Ruidhasa was 3,550 which includes 1,830 males and 1,720 females. Ruidhasa covers 265.4 ha area. Pincode of Ruidhasa is N/A.