Sanchursk is an urban locality situated in the Sanchursky District of Kirov Oblast, Russia. It serves as a populated center within this specific administrative region.
According to census data, the population of Sanchursk has fluctuated over recent decades. The 2010 census recorded a population of 4,727 residents, following previous counts of 5,718 in 2002 and 6,490 during the 1989 Soviet census.