Utah State shot 54.5 percent from the field and led most of the way against Utah Valley, which fell to 2-3 under first-year coach Mark Pope.
Jalen Moore added 11 points for the Aggies, who improved to 39-11 in its last 50 games against in-state opponents
"I'd have to say our play was pretty solid," Moore said. "… Everybody who came into the game played hard and contributed to the win."
Evans gave Utah State a lift, especially with his ability to match-up against Utah Valley's small lineup, which was effective early in the game.
"I played well," Evans said.