In 1966, the urban-type settlement became a city.[2][3] In 1969, the population of the city was 20.6 thousand people. The basis of the economy was coal mining.[4]
In the 1980s the basis of the economy was coal mining and a mineral water plant.[3]In January 1989, the population of the city was 21.1 thousand people.[2]
In January 2013 the population was 16,101 people.[5]
^ abБелозёрское // Большой энциклопедический словарь (в 2-х тт.). / редколл., гл. ред. А. М. Прохоров. том 1. М., «Советская энциклопедия», 1991. стр.121
^ abБелозёрское // Советский энциклопедический словарь. редколл., гл. ред. А. М. Прохоров. 4-е изд. М., «Советская энциклопедия», 1986. стр.124
^Белозёрское // Большая Советская Энциклопедия. / под ред. А. М. Прохорова. 3-е изд. том 3. М., «Советская энциклопедия», 1970.