A door lock device includes a striker secured to a vehicle body and a latch plate installed on a vehicle door. The striker has a base portion fixed on the vehicle body, first and second leg portions extending from the base portion, a bridge portion extending between and interconnecting the first and second leg portions, and a projection portion which extends from the bridge portion and extends on the outboard side of the first leg portion. The latch member has first and second engaging portions defining therebetween a recess portion in which the first leg portion of the striker is receivable. The first engaging portion is arranged to overlap the projection portion and the second engaging portion is arranged to overlap the bridge portion.