Rubtsovsk (Russian:Рубцо́вск) is a city in Altai Krai, Russia, located on the Aley River (Ob's tributary) 281 kilometers (175mi) southwest of Barnaul. Population: 147,002(2010 Census);163,063(2002 Census);171,792(**** Census); 167,000 (1975); 111,000 (1959); 38,000 (1939).