KostyukovkaKostyukovka is a rural locality and the administrative center of Kostyukovsky Selsoviet of Svobodnensky District, Amur Oblast, Russia. The population was 461 as of 2018. There are 7 streets.GeographyKostyukovka is located on the bank of the Golubaya River, 43 km west of Svobodny by road. Zigovka is the nearest rural locality.