Omutninsk is a town located in Russia and serves as the administrative center of the Omutninsky District within the Kirov Oblast. It functions as a regional hub for its surrounding district.
According to recent census data, the population of Omutninsk has seen a steady decline over several decades. The 2021 census recorded a population of 19,629, following figures of 23,615 in 2010, 26,065 in 2002, and 29,248 during the 1989 Soviet census.