Topchikha is a rural locality situated in Russia. It serves as the administrative center of the Topchikhinsky District within the Altai Krai region.
According to census data, the population of the settlement has fluctuated over recent decades. The 1989 Soviet census recorded a population of 9,069, which decreased to 8,354 in 2002 and reached 8,815 by the 2010 census.