Kiselevsk is a town located in the Kemerovo Oblast of Russia. It is situated in the foothill belt of the Salair Ridge at the source of the Aba River, approximately 193 kilometers (120 mi) south of the city of Kemerovo.
According to census data, the population of the town has fluctuated over recent decades. The 2010 census recorded a population of 98,365, following a count of 106,341 in 2002 and 128,083 during the 1989 Soviet census.