Mordovo is an urban locality situated in the Mordovsky District of Tambov Oblast, Russia. It serves as a residential settlement within the region's administrative framework.
Demographic data from various censuses indicate a declining population trend over several decades. The 1989 Soviet census recorded a population of 8,445 residents, which decreased to 7,327 by 2002 and further declined to 6,520 as of the 2010 census.