A display device and a driving method thereof, in which the display device includes a display panel including a plurality of pixels electrically connected to data lines and scan lines, a touch sensor including a plurality of touch electrodes, a touch controller for supplying a first driving signal to the touch sensor during a display period, and a data driver for supplying a data signal to the data lines during the display period, and supplying a second driving signal to the data lines during a pressure sensing period.