O.J. Evans finished with 10 points for the Demons (8-4, 2-0 Southland Conference), who have won three straight games. Northwestern State shot 39.4 percent (28 of 71) from the floor, but scored 27 points off 20 turnovers by the Cardinals.
Northwestern State closed the first half with a 10-2 run, capped by Davis' 3-pointer with 2 seconds left to give it a 46-27 lead at halftime. The Demons led by as many as 31 points in the second half.
Hicks, a reserve who also had eight rebounds, led a Northwestern State bench that outscored the Cardinals 45-24. Lamar also did not score any fast-break points compared to the Demons, who had eight.
Stan Brown finished with 13 points and 14 rebounds for Lamar (2-12, 0-2).