Chernogorsk is a town located in the Republic of Khakassia, Russia. It serves as a populated locality within the region's administrative structure.
According to census data, the population of Chernogorsk has fluctuated over recent decades. The 2010 census recorded a population of 72,147, following a count of 73,077 in 2002 and 79,355 during the 1989 Soviet census.