Udairampur is a village in Colgong tehsil in district of Bhagalpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Udairampur was 2,139 which includes 1,136 males and 1,003 females. Udairampur covers 106 ha area. Pincode of Udairampur is 813205.