Udmari Gaon is a village in Samaguri tehsil in district of Nagaon, Assam, India. As per the data provided by Census of India in 2011, total population of Udmari Gaon was 951 which includes 478 males and 473 females. Udmari Gaon covers 186.5 ha area. Pincode of Udmari Gaon is 782140.