Argayash is a rural locality situated in Russia. It serves as the administrative center of the Argayashsky District within the Chelyabinsk Oblast region.
According to census data, the population of the settlement has remained relatively stable over several decades. The 2010 census recorded a population of 10,061 residents, following figures of 10,170 in 2002 and 10,526 during the 1989 Soviet census.