Ekimchan is an urban locality situated in the Amur Oblast of Russia. It serves as the administrative center of the Selemdzhinsky District and is located on the right bank of the Selemdzha River.
According to census data, the population of Ekimchan has fluctuated over recent decades. The 2010 census recorded a population of 1,212 residents, following a count of 1,224 in 2002 and 1,832 during the 1989 Soviet census.