Zherdevsky District is an administrative and municipal district (raion), one of the twenty-three in Tambov Oblast, Russia. It is located in the south of the oblast. The district borders with Rzhaksinsky District in the north, Uvarovsky District in the east, Ternovsky District of Voronezh Oblast in the south, and with Tokaryovsky District in the west. The area of the district is 1,397.77 square kilometers (539.68 sq mi). Its administrative center is the town of Zherdevka. Population: 30,331 ; 33,502 (2002 Census); 38,944 (1989 Soviet census). The population of Zherdevka accounts for 50.1% of the district's total population.