An organic light emitting display device can include an anode electrode disposed on a substrate; an auxiliary electrode disposed on the anode electrode, the auxiliary electrode having a first height and a second height being different from the first height; a bank disposed on one side of the auxiliary electrode and another side of the auxiliary electrode; an organic light emitting layer disposed on an upper surface of the auxiliary electrode in an opening area exposed by the bank; and a cathode electrode disposed on the organic light emitting layer, in which the auxiliary electrode has the first height in a covered area overlapping with the bank and the second height in the opening area exposed by the bank.