A vacuum-integrated trash bin. The vacuum-integrated trash bin includes a housing dimensioned to be removably insertable into a trash bin to form a seal. The housing includes a plurality of apertures in the sidewalls of the housing and a port at the bottom surface of the housing. The port is positioned above a vacuum pump, such that actuation of the vacuum pump sucks air through the apertures of the housing to conform a trash bag placed within the housing to the shape of the housing, thereby increasing an internal volume of the trash bag.