Bagdarin is a rural locality situated in Russia. It serves as the administrative center of the Bauntovsky Evenkiysky District within the Republic of Buryatia. The settlement is geographically positioned on the Vitim Plateau.
According to census data, the population of Bagdarin has remained relatively stable over recent decades. Records indicate a population of 4,825 during the 1989 Soviet census, decreasing slightly to 4,763 in 2002, and reaching 4,735 by the 2010 census.