The Terps and the Bears finished with 44 combined fouls and Maryland's starting five combined for 79 of its 81 points.
The Terps played their most complete game of the season, thanks to contributions from the offense, defense and special teams.
The Terps will host the Mountain Hawks while introducing new safety measures following a surge in cases in the region.
Demus chose to forgo the 2022 NFL Draft and will return to the Terps after his senior year was cut short by a knee injury.
Fatts Russell and Eric Ayala combined for 38 points in the Terps' first win under interim head coach Danny Manning.
The Terps were plagued by the same shooting issues as before in their conference opener against Northwestern.
Assistant coach Danny Manning will take over as the interim head coach following the announcement.
Wahab often starts strong for the Terps, but is routinely taken out of games down the stretch.
The Hokies have struggled against teams that shoot well this season.