Gusevsky District (Russian: Гу́севский райо́н) is an administrative district (raion), one of the fifteen in Kaliningrad Oblast, Russia. As a municipal division, it is incorporated as Gusevsky Urban Okrug. It is located in the east of the oblast. The area of the district is 642.7 square kilometers (248.1 sq mi). Its administrative center is the town of Gusev. Population: 37,142 (2010 Census); 37,461 (2002 Census); 7,533 (1989 Census).