Starosubkhangulovo is a rural locality situated in the Republic of Bashkortostan, Russia. It serves as the administrative center of the Burzyansky District and is located along the banks of the Belaya River.
Demographic data indicates a steady population over several decades. According to census records, the population was 3,655 in 1989, grew to 4,343 in 2002, and reached 4,609 by the 2010 census.